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  • Thrift-RPC client in Flume

    Get RpcClient from RpcClientFactory with Reflection programming

    Message or Event definition in Flum

    public interface Event {
    
      /**
       * Returns a map of name-value pairs describing the data stored in the body.
       */
      public Map<String, String> getHeaders();
    
      /**
       * Set the event headers
       * @param headers Map of headers to replace the current headers.
       */
      public void setHeaders(Map<String, String> headers);
    
      /**
       * Returns the raw byte array of the data contained in this event.
       */
      public byte[] getBody();
    
      /**
       * Sets the raw byte array of the data contained in this event.
       * @param body The data.
       */
      public void setBody(byte[] body);
    
    }
    View Code
    /**
     * Factory class to construct Flume {@link RPCClient} implementations.
     */
    public class RpcClientFactory {
        
      @SuppressWarnings("unchecked")
      public static RpcClient getInstance(Properties properties)
          throws FlumeException {
        String type = null;
        type = properties.getProperty(
            RpcClientConfigurationConstants.CONFIG_CLIENT_TYPE);
        if (type == null || type.isEmpty()) {
          type = ClientType.DEFAULT.getClientClassName();
        }
        Class<? extends AbstractRpcClient> clazz;
        AbstractRpcClient client;
        try {
          String clientClassType = type;
          ClientType clientType = null;
          try {
            clientType = ClientType.valueOf(type.toUpperCase(Locale.ENGLISH));
          } catch (IllegalArgumentException e) {
            clientType = ClientType.OTHER;
          }
          if (!clientType.equals(ClientType.OTHER)) {
            clientClassType = clientType.getClientClassName();
          }
          clazz =
              (Class<? extends AbstractRpcClient>) Class.forName(clientClassType);
        } catch (ClassNotFoundException e) {
          throw new FlumeException("No such client!", e);
        }
    
        try {
          client = clazz.newInstance();
        } catch (InstantiationException e) {
          throw new FlumeException("Cannot instantiate client. " +
              "Exception follows:", e);
        } catch (IllegalAccessException e) {
          throw new FlumeException("Cannot instantiate client. " +
              "Exception follows:", e);
        }
        client.configure(properties);
        return client;
    
      }
      
      public static RpcClient getThriftInstance(String hostname, Integer port, Integer batchSize) {
        if (hostname == null) {
          throw new NullPointerException("hostname must not be null");
        }
        if (port == null) {
          throw new NullPointerException("port must not be null");
        }
        if (batchSize == null) {
          throw new NullPointerException("batchSize must not be null");
        }
    
        Properties props = new Properties();
        props.setProperty(RpcClientConfigurationConstants.CONFIG_HOSTS, "h1");
        props.setProperty(RpcClientConfigurationConstants.CONFIG_HOSTS_PREFIX + "h1",
            hostname + ":" + port.intValue());
        props.setProperty(RpcClientConfigurationConstants.CONFIG_BATCH_SIZE, batchSize.toString());
        ThriftRpcClient client = new ThriftRpcClient();
        client.configure(props);
        return client;
      }
    
      public static RpcClient getThriftInstance(String hostname, Integer port) {
        return getThriftInstance(hostname, port, RpcClientConfigurationConstants
          .DEFAULT_BATCH_SIZE);
      }
    
      public static RpcClient getThriftInstance(Properties props) {
        props.setProperty(RpcClientConfigurationConstants.CONFIG_CLIENT_TYPE,
                          ClientType.THRIFT.clientClassName);
        return getInstance(props);
      }
    
      public static enum ClientType {
        OTHER(null),
        DEFAULT(NettyAvroRpcClient.class.getCanonicalName()),
        DEFAULT_FAILOVER(FailoverRpcClient.class.getCanonicalName()),
        DEFAULT_LOADBALANCE(LoadBalancingRpcClient.class.getCanonicalName()),
        THRIFT(ThriftRpcClient.class.getCanonicalName());
    
    
        private final String clientClassName;
    
        private ClientType(String className) {
          this.clientClassName = className;
        }
    
        protected String getClientClassName() {
          return this.clientClassName;
        }
    
      }
    }

    Define ThriftRpcClient implementing RpcClient

    public class ThriftRpcClient extends AbstractRpcClient {
      private ConnectionPoolManager connectionManager;
      private final ExecutorService callTimeoutPool;
      private final AtomicLong threadCounter;
      private final Random random = new Random();
      private String protocol;
    
      private boolean enableSsl;
      private String truststore;
      private String truststorePassword;
      private String truststoreType;
      private final List<String> excludeProtocols = new LinkedList<String>();
    
      public ThriftRpcClient() {
        stateLock = new ReentrantLock(true);
        connState = State.INIT;
        threadCounter = new AtomicLong(0);  
        callTimeoutPool = Executors.newCachedThreadPool(new ThreadFactory() {
          @Override
          public Thread newThread(Runnable r) {
            Thread t = new Thread(r);
            t.setName("Flume Thrift RPC thread - " + String.valueOf(threadCounter.incrementAndGet()));
            return t;
          }
        });
      }
    
      @Override
      public void append(Event event) throws EventDeliveryException {  
        ClientWrapper client = null;
        boolean destroyedClient = false;
        try {
          if (!isActive()) {
            throw new EventDeliveryException("Client was closed due to error. " +
                "Please create a new client");
          }
          client = connectionManager.checkout();
          final ThriftFlumeEvent thriftEvent = new ThriftFlumeEvent(event.getHeaders(), ByteBuffer.wrap(event.getBody()));
          doAppend(client, thriftEvent).get(requestTimeout, TimeUnit.MILLISECONDS);
        } catch (Throwable e) {
          if (e instanceof ExecutionException) {
            Throwable cause = e.getCause();
            if (cause instanceof EventDeliveryException) {
              throw (EventDeliveryException) cause;
            } else if (cause instanceof TimeoutException) {
              throw new EventDeliveryException("Append call timeout", cause);
            }
          }
          destroyedClient = true;
          // If destroy throws, we still don't want to reuse the client, so mark it
          // as destroyed before we actually do.
          if (client != null) {
            connectionManager.destroy(client);
          }
          if (e instanceof Error) {
            throw (Error) e;
          } else if (e instanceof RuntimeException) {
            throw (RuntimeException) e;
          }
          throw new EventDeliveryException("Failed to send event. ", e);
        } finally {
          if (client != null && !destroyedClient) {
            connectionManager.checkIn(client);
          }
        }
      }
      
    
      private Future<Void> doAppend(final ClientWrapper client,
                                    final ThriftFlumeEvent e) throws Exception {
    
        return callTimeoutPool.submit(new Callable<Void>() {
          @Override
          public Void call() throws Exception {
            Status status = client.client.append(e);
            if (status != Status.OK) {
              throw new EventDeliveryException("Failed to deliver events. Server " +
                  "returned status : " + status.name());
            }
            return null;
          }
        });
      }
    
      private Future<Void> doAppendBatch(final ClientWrapper client,
                                         final List<ThriftFlumeEvent> e) throws Exception {
        return callTimeoutPool.submit(new Callable<Void>() {
          @Override
          public Void call() throws Exception {
            Status status = client.client.appendBatch(e);
            if (status != Status.OK) {
              throw new EventDeliveryException("Failed to deliver events. Server " +
                  "returned status : " + status.name());
            }
            return null;
          }
        });
      }
    
      @Override
      public boolean isActive() {
        stateLock.lock();
        try {
          return (connState == State.READY);
        } finally {
          stateLock.unlock();
        }
      }
      /**
       * Wrapper around a client and transport, so we can clean up when this
       * client gets closed.
       */
      private class ClientWrapper {
        public final ThriftSourceProtocol.Client client;
        public final TTransport transport;
        private final int hashCode;
    
        public ClientWrapper() throws Exception {
          TSocket tsocket;
          if (enableSsl) {
            // JDK6's factory doesn't appear to pass the protocol onto the Socket
            // properly so we have to do some magic to make sure that happens.
            // Not an issue in JDK7 Lifted from thrift-0.9.1 to make the SSLContext
            SSLContext sslContext = createSSLContext(truststore, truststorePassword,
                truststoreType);
    
            // Create the factory from it
            SSLSocketFactory sslSockFactory = sslContext.getSocketFactory();
    
            // Create the TSocket from that
            tsocket = createSSLSocket(
                sslSockFactory, hostname, port, 120000, excludeProtocols);
          } else {
            tsocket = new TSocket(hostname, port);
          }
    
          transport = getTransport(tsocket);
    
          // The transport is already open for SSL as part of TSSLTransportFactory.getClientSocket
          if (!transport.isOpen()) {
            transport.open();
          }
          if (protocol.equals(BINARY_PROTOCOL)) {
            LOGGER.info("Using TBinaryProtocol");
            client = new ThriftSourceProtocol.Client(new TBinaryProtocol(transport));
          } else {
            LOGGER.info("Using TCompactProtocol");
            client = new ThriftSourceProtocol.Client(new TCompactProtocol(transport));
          }
          // Not a great hash code, but since this class is immutable and there
          // is at most one instance of the components of this class,
          // this works fine [If the objects are equal, hash code is the same]
          hashCode = random.nextInt();
        }
    
        public boolean equals(Object o) {
          if (o == null) {
            return false;
          }
          // Since there is only one wrapper with any given client,
          // direct comparison is good enough.
          if (this == o) {
            return true;
          }
          return false;
        }
    
        public int hashCode() {
          return hashCode;
        }
      }
    
      private class ConnectionPoolManager {
        private final Queue<ClientWrapper> availableClients;
        private final Set<ClientWrapper> checkedOutClients;
        private final int maxPoolSize;
        private int currentPoolSize;
        private final Lock poolLock;
        private final Condition availableClientsCondition;
    
        public ConnectionPoolManager(int poolSize) {
          this.maxPoolSize = poolSize;
          availableClients = new LinkedList<ClientWrapper>();
          checkedOutClients = new HashSet<ClientWrapper>();
          poolLock = new ReentrantLock();
          availableClientsCondition = poolLock.newCondition();
          currentPoolSize = 0;
        }
    
        public ClientWrapper checkout() throws Exception {
    
          ClientWrapper ret = null;
          poolLock.lock();
          try {
            if (availableClients.isEmpty() && currentPoolSize < maxPoolSize) {
              ret = new ClientWrapper();
              currentPoolSize++;
              checkedOutClients.add(ret);
              return ret;
            }
            while (availableClients.isEmpty()) {
              availableClientsCondition.await();
            }
            ret = availableClients.poll();
            checkedOutClients.add(ret);
          } finally {
            poolLock.unlock();
          }
          return ret;
        }
    
        public void checkIn(ClientWrapper client) {
          poolLock.lock();
          try {
            availableClients.add(client);
            checkedOutClients.remove(client);
            availableClientsCondition.signal();
          } finally {
            poolLock.unlock();
          }
        }
    
        public void destroy(ClientWrapper client) {
          poolLock.lock();
          try {
            checkedOutClients.remove(client);
            currentPoolSize--;
          } finally {
            poolLock.unlock();
          }
          client.transport.close();
        }
    
        public void closeAll() {
          poolLock.lock();
          try {
            for (ClientWrapper c : availableClients) {
              c.transport.close();
              currentPoolSize--;
            }        
            for (ClientWrapper c : checkedOutClients) {
              c.transport.close();
              currentPoolSize--;
            }
          } finally {
            poolLock.unlock();
          }
        }
      }
      private static SSLContext createSSLContext(String truststore,
                                                 String truststorePassword,
                                                 String truststoreType) throws FlumeException {
        SSLContext ctx;
        try {
          ctx = SSLContext.getInstance("TLS");
          TrustManagerFactory tmf;
          tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
          KeyStore ts = null;
          if (truststore != null && truststoreType != null) {
            ts = KeyStore.getInstance(truststoreType);
            ts.load(new FileInputStream(truststore), truststorePassword.toCharArray());
            tmf.init(ts);
          }
    
          tmf.init(ts);
          ctx.init(null, tmf.getTrustManagers(), null);
    
        } catch (Exception e) {
          throw new FlumeException("Error creating the transport", e);
        }
        return ctx;
      }
      private static TSocket createSSLSocket(SSLSocketFactory factory, String host,
                                             int port, int timeout, List<String> excludeProtocols)
          throws FlumeException {
        try {
          SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
          socket.setSoTimeout(timeout);
    
          List<String> enabledProtocols = new ArrayList<String>();
          for (String protocol : socket.getEnabledProtocols()) {
            if (!excludeProtocols.contains(protocol)) {
              enabledProtocols.add(protocol);
            }
          }
          socket.setEnabledProtocols(enabledProtocols.toArray(new String[0]));
          return new TSocket(socket);
        } catch (Exception e) {
          throw new FlumeException("Could not connect to " + host + " on port " + port, e);
        }
      }
    }

    Now we look at ThriftSourceProtocol

    public static class Client extends org.apache.thrift.TServiceClient implements Iface {
        public static class Factory implements org.apache.thrift.TServiceClientFactory<Client> {
          public Factory() {}
          public Client getClient(org.apache.thrift.protocol.TProtocol prot) {
            return new Client(prot);
          }
          public Client getClient(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
            return new Client(iprot, oprot);
          }
        }
    }
    public static class AsyncClient extends org.apache.thrift.async.TAsyncClient implements AsyncIface {
        public static class Factory implements org.apache.thrift.async.TAsyncClientFactory<AsyncClient> {
          private org.apache.thrift.async.TAsyncClientManager clientManager;
          private org.apache.thrift.protocol.TProtocolFactory protocolFactory;
          public Factory(org.apache.thrift.async.TAsyncClientManager clientManager, org.apache.thrift.protocol.TProtocolFactory protocolFactory) {
            this.clientManager = clientManager;
            this.protocolFactory = protocolFactory;
          }
          public AsyncClient getAsyncClient(org.apache.thrift.transport.TNonblockingTransport transport) {
            return new AsyncClient(protocolFactory, clientManager, transport);
          }
        }
      ..................................
    }
    /*
     * Licensed to the Apache Software Foundation (ASF) under one
     * or more contributor license agreements.  See the NOTICE file
     * distributed with this work for additional information
     * regarding copyright ownership.  The ASF licenses this file
     * to you under the Apache License, Version 2.0 (the
     * "License"); you may not use this file except in compliance
     * with the License.  You may obtain a copy of the License at
     *
     * http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing,
     * software distributed under the License is distributed on an
     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     * KIND, either express or implied.  See the License for the
     * specific language governing permissions and limitations
     * under the License.
     */
    /**
     * Autogenerated by Thrift Compiler (0.7.0)
     *
     * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
     */
    package org.apache.flume.thrift;
    
    import org.apache.commons.lang.builder.HashCodeBuilder;
    import java.util.List;
    import java.util.ArrayList;
    import java.util.Map;
    import java.util.HashMap;
    import java.util.EnumMap;
    import java.util.Set;
    import java.util.HashSet;
    import java.util.EnumSet;
    import java.util.Collections;
    import java.util.BitSet;
    import java.nio.ByteBuffer;
    import java.util.Arrays;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    
    public class ThriftSourceProtocol {
    
      public interface Iface {
    
        public Status append(ThriftFlumeEvent event) throws org.apache.thrift.TException;
    
        public Status appendBatch(List<ThriftFlumeEvent> events) throws org.apache.thrift.TException;
    
      }
    
      public interface AsyncIface {
    
        public void append(ThriftFlumeEvent event, org.apache.thrift.async.AsyncMethodCallback<AsyncClient.append_call> resultHandler) throws org.apache.thrift.TException;
    
        public void appendBatch(List<ThriftFlumeEvent> events, org.apache.thrift.async.AsyncMethodCallback<AsyncClient.appendBatch_call> resultHandler) throws org.apache.thrift.TException;
    
      }
    
      public static class Client extends org.apache.thrift.TServiceClient implements Iface {
        public static class Factory implements org.apache.thrift.TServiceClientFactory<Client> {
          public Factory() {}
          public Client getClient(org.apache.thrift.protocol.TProtocol prot) {
            return new Client(prot);
          }
          public Client getClient(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
            return new Client(iprot, oprot);
          }
        }
    
        public Client(org.apache.thrift.protocol.TProtocol prot)
        {
          super(prot, prot);
        }
    
        public Client(org.apache.thrift.protocol.TProtocol iprot, org.apache.thrift.protocol.TProtocol oprot) {
          super(iprot, oprot);
        }
    
        public Status append(ThriftFlumeEvent event) throws org.apache.thrift.TException
        {
          send_append(event);
          return recv_append();
        }
    
        public void send_append(ThriftFlumeEvent event) throws org.apache.thrift.TException
        {
          append_args args = new append_args();
          args.setEvent(event);
          sendBase("append", args);
        }
    
        public Status recv_append() throws org.apache.thrift.TException
        {
          append_result result = new append_result();
          receiveBase(result, "append");
          if (result.isSetSuccess()) {
            return result.success;
          }
          throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "append failed: unknown result");
        }
    
        public Status appendBatch(List<ThriftFlumeEvent> events) throws org.apache.thrift.TException
        {
          send_appendBatch(events);
          return recv_appendBatch();
        }
    
        public void send_appendBatch(List<ThriftFlumeEvent> events) throws org.apache.thrift.TException
        {
          appendBatch_args args = new appendBatch_args();
          args.setEvents(events);
          sendBase("appendBatch", args);
        }
    
        public Status recv_appendBatch() throws org.apache.thrift.TException
        {
          appendBatch_result result = new appendBatch_result();
          receiveBase(result, "appendBatch");
          if (result.isSetSuccess()) {
            return result.success;
          }
          throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "appendBatch failed: unknown result");
        }
    
      }
      public static class AsyncClient extends org.apache.thrift.async.TAsyncClient implements AsyncIface {
        public static class Factory implements org.apache.thrift.async.TAsyncClientFactory<AsyncClient> {
          private org.apache.thrift.async.TAsyncClientManager clientManager;
          private org.apache.thrift.protocol.TProtocolFactory protocolFactory;
          public Factory(org.apache.thrift.async.TAsyncClientManager clientManager, org.apache.thrift.protocol.TProtocolFactory protocolFactory) {
            this.clientManager = clientManager;
            this.protocolFactory = protocolFactory;
          }
          public AsyncClient getAsyncClient(org.apache.thrift.transport.TNonblockingTransport transport) {
            return new AsyncClient(protocolFactory, clientManager, transport);
          }
        }
    
        public AsyncClient(org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.async.TAsyncClientManager clientManager, org.apache.thrift.transport.TNonblockingTransport transport) {
          super(protocolFactory, clientManager, transport);
        }
    
        public void append(ThriftFlumeEvent event, org.apache.thrift.async.AsyncMethodCallback<append_call> resultHandler) throws org.apache.thrift.TException {
          checkReady();
          append_call method_call = new append_call(event, resultHandler, this, ___protocolFactory, ___transport);
          this.___currentMethod = method_call;
          ___manager.call(method_call);
        }
    
        public static class append_call extends org.apache.thrift.async.TAsyncMethodCall {
          private ThriftFlumeEvent event;
          public append_call(ThriftFlumeEvent event, org.apache.thrift.async.AsyncMethodCallback<append_call> resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
            super(client, protocolFactory, transport, resultHandler, false);
            this.event = event;
          }
    
          public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
            prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("append", org.apache.thrift.protocol.TMessageType.CALL, 0));
            append_args args = new append_args();
            args.setEvent(event);
            args.write(prot);
            prot.writeMessageEnd();
          }
    
          public Status getResult() throws org.apache.thrift.TException {
            if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
              throw new IllegalStateException("Method call not finished!");
            }
            org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
            org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
            return (new Client(prot)).recv_append();
          }
        }
    
        public void appendBatch(List<ThriftFlumeEvent> events, org.apache.thrift.async.AsyncMethodCallback<appendBatch_call> resultHandler) throws org.apache.thrift.TException {
          checkReady();
          appendBatch_call method_call = new appendBatch_call(events, resultHandler, this, ___protocolFactory, ___transport);
          this.___currentMethod = method_call;
          ___manager.call(method_call);
        }
    
        public static class appendBatch_call extends org.apache.thrift.async.TAsyncMethodCall {
          private List<ThriftFlumeEvent> events;
          public appendBatch_call(List<ThriftFlumeEvent> events, org.apache.thrift.async.AsyncMethodCallback<appendBatch_call> resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
            super(client, protocolFactory, transport, resultHandler, false);
            this.events = events;
          }
    
          public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
            prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("appendBatch", org.apache.thrift.protocol.TMessageType.CALL, 0));
            appendBatch_args args = new appendBatch_args();
            args.setEvents(events);
            args.write(prot);
            prot.writeMessageEnd();
          }
    
          public Status getResult() throws org.apache.thrift.TException {
            if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
              throw new IllegalStateException("Method call not finished!");
            }
            org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
            org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
            return (new Client(prot)).recv_appendBatch();
          }
        }
    
      }
    
      public static class Processor<I extends Iface> extends org.apache.thrift.TBaseProcessor implements org.apache.thrift.TProcessor {
        private static final Logger LOGGER = LoggerFactory.getLogger(Processor.class.getName());
        public Processor(I iface) {
          super(iface, getProcessMap(new HashMap<String, org.apache.thrift.ProcessFunction<I, ? extends org.apache.thrift.TBase>>()));
        }
    
        protected Processor(I iface, Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> processMap) {
          super(iface, getProcessMap(processMap));
        }
    
        private static <I extends Iface> Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> getProcessMap(Map<String,  org.apache.thrift.ProcessFunction<I, ? extends  org.apache.thrift.TBase>> processMap) {
          processMap.put("append", new append());
          processMap.put("appendBatch", new appendBatch());
          return processMap;
        }
    
        private static class append<I extends Iface> extends org.apache.thrift.ProcessFunction<I, append_args> {
          public append() {
            super("append");
          }
    
          public append_args getEmptyArgsInstance() {
            return new append_args();
          }
    
          public append_result getResult(I iface, append_args args) throws org
              .apache.thrift.TException {
            append_result result = new append_result();
            result.success = iface.append(args.event);
            return result;
          }
    
          protected boolean isOneway() {
            return false;
          }
        }
    
        private static class appendBatch<I extends Iface> extends org.apache.thrift.ProcessFunction<I, appendBatch_args> {
          public appendBatch() {
            super("appendBatch");
          }
    
          public appendBatch_args getEmptyArgsInstance() {
            return new appendBatch_args();
          }
    
          public appendBatch_result getResult(I iface, appendBatch_args args)
              throws org.apache.thrift.TException {
            appendBatch_result result = new appendBatch_result();
            result.success = iface.appendBatch(args.events);
            return result;
          }
    
          protected boolean isOneway() {
            return false;
          }
        }
    
      }
    
      public static class append_args implements org.apache.thrift.TBase<append_args, append_args._Fields>, java.io.Serializable, Cloneable   {
        private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("append_args");
    
        private static final org.apache.thrift.protocol.TField EVENT_FIELD_DESC = new org.apache.thrift.protocol.TField("event", org.apache.thrift.protocol.TType.STRUCT, (short)1);
    
        public ThriftFlumeEvent event; // required
    
        /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
        public enum _Fields implements org.apache.thrift.TFieldIdEnum {
          EVENT((short)1, "event");
    
          private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
    
          static {
            for (_Fields field : EnumSet.allOf(_Fields.class)) {
              byName.put(field.getFieldName(), field);
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, or null if its not found.
           */
          public static _Fields findByThriftId(int fieldId) {
            switch(fieldId) {
              case 1: // EVENT
                return EVENT;
              default:
                return null;
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, throwing an exception
           * if it is not found.
           */
          public static _Fields findByThriftIdOrThrow(int fieldId) {
            _Fields fields = findByThriftId(fieldId);
            if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
            return fields;
          }
    
          /**
           * Find the _Fields constant that matches name, or null if its not found.
           */
          public static _Fields findByName(String name) {
            return byName.get(name);
          }
    
          private final short _thriftId;
          private final String _fieldName;
    
          _Fields(short thriftId, String fieldName) {
            _thriftId = thriftId;
            _fieldName = fieldName;
          }
    
          public short getThriftFieldId() {
            return _thriftId;
          }
    
          public String getFieldName() {
            return _fieldName;
          }
        }
    
        // isset id assignments
    
        public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
        static {
          Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
          tmpMap.put(_Fields.EVENT, new org.apache.thrift.meta_data.FieldMetaData("event", org.apache.thrift.TFieldRequirementType.DEFAULT, 
              new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, ThriftFlumeEvent.class)));
          metaDataMap = Collections.unmodifiableMap(tmpMap);
          org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(append_args.class, metaDataMap);
        }
    
        public append_args() {
        }
    
        public append_args(
          ThriftFlumeEvent event)
        {
          this();
          this.event = event;
        }
    
        /**
         * Performs a deep copy on <i>other</i>.
         */
        public append_args(append_args other) {
          if (other.isSetEvent()) {
            this.event = new ThriftFlumeEvent(other.event);
          }
        }
    
        public append_args deepCopy() {
          return new append_args(this);
        }
    
        @Override
        public void clear() {
          this.event = null;
        }
    
        public ThriftFlumeEvent getEvent() {
          return this.event;
        }
    
        public append_args setEvent(ThriftFlumeEvent event) {
          this.event = event;
          return this;
        }
    
        public void unsetEvent() {
          this.event = null;
        }
    
        /** Returns true if field event is set (has been assigned a value) and false otherwise */
        public boolean isSetEvent() {
          return this.event != null;
        }
    
        public void setEventIsSet(boolean value) {
          if (!value) {
            this.event = null;
          }
        }
    
        public void setFieldValue(_Fields field, Object value) {
          switch (field) {
          case EVENT:
            if (value == null) {
              unsetEvent();
            } else {
              setEvent((ThriftFlumeEvent)value);
            }
            break;
    
          }
        }
    
        public Object getFieldValue(_Fields field) {
          switch (field) {
          case EVENT:
            return getEvent();
    
          }
          throw new IllegalStateException();
        }
    
        /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
        public boolean isSet(_Fields field) {
          if (field == null) {
            throw new IllegalArgumentException();
          }
    
          switch (field) {
          case EVENT:
            return isSetEvent();
          }
          throw new IllegalStateException();
        }
    
        @Override
        public boolean equals(Object that) {
          if (that == null)
            return false;
          if (that instanceof append_args)
            return this.equals((append_args)that);
          return false;
        }
    
        public boolean equals(append_args that) {
          if (that == null)
            return false;
    
          boolean this_present_event = true && this.isSetEvent();
          boolean that_present_event = true && that.isSetEvent();
          if (this_present_event || that_present_event) {
            if (!(this_present_event && that_present_event))
              return false;
            if (!this.event.equals(that.event))
              return false;
          }
    
          return true;
        }
    
        @Override
        public int hashCode() {
          HashCodeBuilder builder = new HashCodeBuilder();
    
          boolean present_event = true && (isSetEvent());
          builder.append(present_event);
          if (present_event)
            builder.append(event);
    
          return builder.toHashCode();
        }
    
        public int compareTo(append_args other) {
          if (!getClass().equals(other.getClass())) {
            return getClass().getName().compareTo(other.getClass().getName());
          }
    
          int lastComparison = 0;
          append_args typedOther = (append_args)other;
    
          lastComparison = Boolean.valueOf(isSetEvent()).compareTo(typedOther.isSetEvent());
          if (lastComparison != 0) {
            return lastComparison;
          }
          if (isSetEvent()) {
            lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.event, typedOther.event);
            if (lastComparison != 0) {
              return lastComparison;
            }
          }
          return 0;
        }
    
        public _Fields fieldForId(int fieldId) {
          return _Fields.findByThriftId(fieldId);
        }
    
        public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
          org.apache.thrift.protocol.TField field;
          iprot.readStructBegin();
          while (true)
          {
            field = iprot.readFieldBegin();
            if (field.type == org.apache.thrift.protocol.TType.STOP) { 
              break;
            }
            switch (field.id) {
              case 1: // EVENT
                if (field.type == org.apache.thrift.protocol.TType.STRUCT) {
                  this.event = new ThriftFlumeEvent();
                  this.event.read(iprot);
                } else { 
                  org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
                }
                break;
              default:
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
            }
            iprot.readFieldEnd();
          }
          iprot.readStructEnd();
    
          // check for required fields of primitive type, which can't be checked in the validate method
          validate();
        }
    
        public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
          validate();
    
          oprot.writeStructBegin(STRUCT_DESC);
          if (this.event != null) {
            oprot.writeFieldBegin(EVENT_FIELD_DESC);
            this.event.write(oprot);
            oprot.writeFieldEnd();
          }
          oprot.writeFieldStop();
          oprot.writeStructEnd();
        }
    
        @Override
        public String toString() {
          StringBuilder sb = new StringBuilder("append_args(");
          boolean first = true;
    
          sb.append("event:");
          if (this.event == null) {
            sb.append("null");
          } else {
            sb.append(this.event);
          }
          first = false;
          sb.append(")");
          return sb.toString();
        }
    
        public void validate() throws org.apache.thrift.TException {
          // check for required fields
        }
    
        private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
          try {
            write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
        private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
          try {
            read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
      }
    
      public static class append_result implements org.apache.thrift.TBase<append_result, append_result._Fields>, java.io.Serializable, Cloneable   {
        private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("append_result");
    
        private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.I32, (short)0);
    
        /**
         * 
         * @see Status
         */
        public Status success; // required
    
        /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
        public enum _Fields implements org.apache.thrift.TFieldIdEnum {
          /**
           * 
           * @see Status
           */
          SUCCESS((short)0, "success");
    
          private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
    
          static {
            for (_Fields field : EnumSet.allOf(_Fields.class)) {
              byName.put(field.getFieldName(), field);
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, or null if its not found.
           */
          public static _Fields findByThriftId(int fieldId) {
            switch(fieldId) {
              case 0: // SUCCESS
                return SUCCESS;
              default:
                return null;
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, throwing an exception
           * if it is not found.
           */
          public static _Fields findByThriftIdOrThrow(int fieldId) {
            _Fields fields = findByThriftId(fieldId);
            if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
            return fields;
          }
    
          /**
           * Find the _Fields constant that matches name, or null if its not found.
           */
          public static _Fields findByName(String name) {
            return byName.get(name);
          }
    
          private final short _thriftId;
          private final String _fieldName;
    
          _Fields(short thriftId, String fieldName) {
            _thriftId = thriftId;
            _fieldName = fieldName;
          }
    
          public short getThriftFieldId() {
            return _thriftId;
          }
    
          public String getFieldName() {
            return _fieldName;
          }
        }
    
        // isset id assignments
    
        public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
        static {
          Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
          tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
              new org.apache.thrift.meta_data.EnumMetaData(org.apache.thrift.protocol.TType.ENUM, Status.class)));
          metaDataMap = Collections.unmodifiableMap(tmpMap);
          org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(append_result.class, metaDataMap);
        }
    
        public append_result() {
        }
    
        public append_result(
          Status success)
        {
          this();
          this.success = success;
        }
    
        /**
         * Performs a deep copy on <i>other</i>.
         */
        public append_result(append_result other) {
          if (other.isSetSuccess()) {
            this.success = other.success;
          }
        }
    
        public append_result deepCopy() {
          return new append_result(this);
        }
    
        @Override
        public void clear() {
          this.success = null;
        }
    
        /**
         * 
         * @see Status
         */
        public Status getSuccess() {
          return this.success;
        }
    
        /**
         * 
         * @see Status
         */
        public append_result setSuccess(Status success) {
          this.success = success;
          return this;
        }
    
        public void unsetSuccess() {
          this.success = null;
        }
    
        /** Returns true if field success is set (has been assigned a value) and false otherwise */
        public boolean isSetSuccess() {
          return this.success != null;
        }
    
        public void setSuccessIsSet(boolean value) {
          if (!value) {
            this.success = null;
          }
        }
    
        public void setFieldValue(_Fields field, Object value) {
          switch (field) {
          case SUCCESS:
            if (value == null) {
              unsetSuccess();
            } else {
              setSuccess((Status)value);
            }
            break;
    
          }
        }
    
        public Object getFieldValue(_Fields field) {
          switch (field) {
          case SUCCESS:
            return getSuccess();
    
          }
          throw new IllegalStateException();
        }
    
        /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
        public boolean isSet(_Fields field) {
          if (field == null) {
            throw new IllegalArgumentException();
          }
    
          switch (field) {
          case SUCCESS:
            return isSetSuccess();
          }
          throw new IllegalStateException();
        }
    
        @Override
        public boolean equals(Object that) {
          if (that == null)
            return false;
          if (that instanceof append_result)
            return this.equals((append_result)that);
          return false;
        }
    
        public boolean equals(append_result that) {
          if (that == null)
            return false;
    
          boolean this_present_success = true && this.isSetSuccess();
          boolean that_present_success = true && that.isSetSuccess();
          if (this_present_success || that_present_success) {
            if (!(this_present_success && that_present_success))
              return false;
            if (!this.success.equals(that.success))
              return false;
          }
    
          return true;
        }
    
        @Override
        public int hashCode() {
          HashCodeBuilder builder = new HashCodeBuilder();
    
          boolean present_success = true && (isSetSuccess());
          builder.append(present_success);
          if (present_success)
            builder.append(success.getValue());
    
          return builder.toHashCode();
        }
    
        public int compareTo(append_result other) {
          if (!getClass().equals(other.getClass())) {
            return getClass().getName().compareTo(other.getClass().getName());
          }
    
          int lastComparison = 0;
          append_result typedOther = (append_result)other;
    
          lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(typedOther.isSetSuccess());
          if (lastComparison != 0) {
            return lastComparison;
          }
          if (isSetSuccess()) {
            lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, typedOther.success);
            if (lastComparison != 0) {
              return lastComparison;
            }
          }
          return 0;
        }
    
        public _Fields fieldForId(int fieldId) {
          return _Fields.findByThriftId(fieldId);
        }
    
        public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
          org.apache.thrift.protocol.TField field;
          iprot.readStructBegin();
          while (true)
          {
            field = iprot.readFieldBegin();
            if (field.type == org.apache.thrift.protocol.TType.STOP) { 
              break;
            }
            switch (field.id) {
              case 0: // SUCCESS
                if (field.type == org.apache.thrift.protocol.TType.I32) {
                  this.success = Status.findByValue(iprot.readI32());
                } else { 
                  org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
                }
                break;
              default:
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
            }
            iprot.readFieldEnd();
          }
          iprot.readStructEnd();
    
          // check for required fields of primitive type, which can't be checked in the validate method
          validate();
        }
    
        public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
          oprot.writeStructBegin(STRUCT_DESC);
    
          if (this.isSetSuccess()) {
            oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
            oprot.writeI32(this.success.getValue());
            oprot.writeFieldEnd();
          }
          oprot.writeFieldStop();
          oprot.writeStructEnd();
        }
    
        @Override
        public String toString() {
          StringBuilder sb = new StringBuilder("append_result(");
          boolean first = true;
    
          sb.append("success:");
          if (this.success == null) {
            sb.append("null");
          } else {
            sb.append(this.success);
          }
          first = false;
          sb.append(")");
          return sb.toString();
        }
    
        public void validate() throws org.apache.thrift.TException {
          // check for required fields
        }
    
        private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
          try {
            write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
        private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
          try {
            read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
      }
    
      public static class appendBatch_args implements org.apache.thrift.TBase<appendBatch_args, appendBatch_args._Fields>, java.io.Serializable, Cloneable   {
        private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("appendBatch_args");
    
        private static final org.apache.thrift.protocol.TField EVENTS_FIELD_DESC = new org.apache.thrift.protocol.TField("events", org.apache.thrift.protocol.TType.LIST, (short)1);
    
        public List<ThriftFlumeEvent> events; // required
    
        /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
        public enum _Fields implements org.apache.thrift.TFieldIdEnum {
          EVENTS((short)1, "events");
    
          private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
    
          static {
            for (_Fields field : EnumSet.allOf(_Fields.class)) {
              byName.put(field.getFieldName(), field);
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, or null if its not found.
           */
          public static _Fields findByThriftId(int fieldId) {
            switch(fieldId) {
              case 1: // EVENTS
                return EVENTS;
              default:
                return null;
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, throwing an exception
           * if it is not found.
           */
          public static _Fields findByThriftIdOrThrow(int fieldId) {
            _Fields fields = findByThriftId(fieldId);
            if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
            return fields;
          }
    
          /**
           * Find the _Fields constant that matches name, or null if its not found.
           */
          public static _Fields findByName(String name) {
            return byName.get(name);
          }
    
          private final short _thriftId;
          private final String _fieldName;
    
          _Fields(short thriftId, String fieldName) {
            _thriftId = thriftId;
            _fieldName = fieldName;
          }
    
          public short getThriftFieldId() {
            return _thriftId;
          }
    
          public String getFieldName() {
            return _fieldName;
          }
        }
    
        // isset id assignments
    
        public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
        static {
          Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
          tmpMap.put(_Fields.EVENTS, new org.apache.thrift.meta_data.FieldMetaData("events", org.apache.thrift.TFieldRequirementType.DEFAULT, 
              new org.apache.thrift.meta_data.ListMetaData(org.apache.thrift.protocol.TType.LIST, 
                  new org.apache.thrift.meta_data.StructMetaData(org.apache.thrift.protocol.TType.STRUCT, ThriftFlumeEvent.class))));
          metaDataMap = Collections.unmodifiableMap(tmpMap);
          org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(appendBatch_args.class, metaDataMap);
        }
    
        public appendBatch_args() {
        }
    
        public appendBatch_args(
          List<ThriftFlumeEvent> events)
        {
          this();
          this.events = events;
        }
    
        /**
         * Performs a deep copy on <i>other</i>.
         */
        public appendBatch_args(appendBatch_args other) {
          if (other.isSetEvents()) {
            List<ThriftFlumeEvent> __this__events = new ArrayList<ThriftFlumeEvent>();
            for (ThriftFlumeEvent other_element : other.events) {
              __this__events.add(new ThriftFlumeEvent(other_element));
            }
            this.events = __this__events;
          }
        }
    
        public appendBatch_args deepCopy() {
          return new appendBatch_args(this);
        }
    
        @Override
        public void clear() {
          this.events = null;
        }
    
        public int getEventsSize() {
          return (this.events == null) ? 0 : this.events.size();
        }
    
        public java.util.Iterator<ThriftFlumeEvent> getEventsIterator() {
          return (this.events == null) ? null : this.events.iterator();
        }
    
        public void addToEvents(ThriftFlumeEvent elem) {
          if (this.events == null) {
            this.events = new ArrayList<ThriftFlumeEvent>();
          }
          this.events.add(elem);
        }
    
        public List<ThriftFlumeEvent> getEvents() {
          return this.events;
        }
    
        public appendBatch_args setEvents(List<ThriftFlumeEvent> events) {
          this.events = events;
          return this;
        }
    
        public void unsetEvents() {
          this.events = null;
        }
    
        /** Returns true if field events is set (has been assigned a value) and false otherwise */
        public boolean isSetEvents() {
          return this.events != null;
        }
    
        public void setEventsIsSet(boolean value) {
          if (!value) {
            this.events = null;
          }
        }
    
        public void setFieldValue(_Fields field, Object value) {
          switch (field) {
          case EVENTS:
            if (value == null) {
              unsetEvents();
            } else {
              setEvents((List<ThriftFlumeEvent>)value);
            }
            break;
    
          }
        }
    
        public Object getFieldValue(_Fields field) {
          switch (field) {
          case EVENTS:
            return getEvents();
    
          }
          throw new IllegalStateException();
        }
    
        /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
        public boolean isSet(_Fields field) {
          if (field == null) {
            throw new IllegalArgumentException();
          }
    
          switch (field) {
          case EVENTS:
            return isSetEvents();
          }
          throw new IllegalStateException();
        }
    
        @Override
        public boolean equals(Object that) {
          if (that == null)
            return false;
          if (that instanceof appendBatch_args)
            return this.equals((appendBatch_args)that);
          return false;
        }
    
        public boolean equals(appendBatch_args that) {
          if (that == null)
            return false;
    
          boolean this_present_events = true && this.isSetEvents();
          boolean that_present_events = true && that.isSetEvents();
          if (this_present_events || that_present_events) {
            if (!(this_present_events && that_present_events))
              return false;
            if (!this.events.equals(that.events))
              return false;
          }
    
          return true;
        }
    
        @Override
        public int hashCode() {
          HashCodeBuilder builder = new HashCodeBuilder();
    
          boolean present_events = true && (isSetEvents());
          builder.append(present_events);
          if (present_events)
            builder.append(events);
    
          return builder.toHashCode();
        }
    
        public int compareTo(appendBatch_args other) {
          if (!getClass().equals(other.getClass())) {
            return getClass().getName().compareTo(other.getClass().getName());
          }
    
          int lastComparison = 0;
          appendBatch_args typedOther = (appendBatch_args)other;
    
          lastComparison = Boolean.valueOf(isSetEvents()).compareTo(typedOther.isSetEvents());
          if (lastComparison != 0) {
            return lastComparison;
          }
          if (isSetEvents()) {
            lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.events, typedOther.events);
            if (lastComparison != 0) {
              return lastComparison;
            }
          }
          return 0;
        }
    
        public _Fields fieldForId(int fieldId) {
          return _Fields.findByThriftId(fieldId);
        }
    
        public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
          org.apache.thrift.protocol.TField field;
          iprot.readStructBegin();
          while (true)
          {
            field = iprot.readFieldBegin();
            if (field.type == org.apache.thrift.protocol.TType.STOP) { 
              break;
            }
            switch (field.id) {
              case 1: // EVENTS
                if (field.type == org.apache.thrift.protocol.TType.LIST) {
                  {
                    org.apache.thrift.protocol.TList _list5 = iprot.readListBegin();
                    this.events = new ArrayList<ThriftFlumeEvent>(_list5.size);
                    for (int _i6 = 0; _i6 < _list5.size; ++_i6)
                    {
                      ThriftFlumeEvent _elem7; // required
                      _elem7 = new ThriftFlumeEvent();
                      _elem7.read(iprot);
                      this.events.add(_elem7);
                    }
                    iprot.readListEnd();
                  }
                } else { 
                  org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
                }
                break;
              default:
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
            }
            iprot.readFieldEnd();
          }
          iprot.readStructEnd();
    
          // check for required fields of primitive type, which can't be checked in the validate method
          validate();
        }
    
        public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
          validate();
    
          oprot.writeStructBegin(STRUCT_DESC);
          if (this.events != null) {
            oprot.writeFieldBegin(EVENTS_FIELD_DESC);
            {
              oprot.writeListBegin(new org.apache.thrift.protocol.TList(org.apache.thrift.protocol.TType.STRUCT, this.events.size()));
              for (ThriftFlumeEvent _iter8 : this.events)
              {
                _iter8.write(oprot);
              }
              oprot.writeListEnd();
            }
            oprot.writeFieldEnd();
          }
          oprot.writeFieldStop();
          oprot.writeStructEnd();
        }
    
        @Override
        public String toString() {
          StringBuilder sb = new StringBuilder("appendBatch_args(");
          boolean first = true;
    
          sb.append("events:");
          if (this.events == null) {
            sb.append("null");
          } else {
            sb.append(this.events);
          }
          first = false;
          sb.append(")");
          return sb.toString();
        }
    
        public void validate() throws org.apache.thrift.TException {
          // check for required fields
        }
    
        private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
          try {
            write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
        private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
          try {
            read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
      }
    
      public static class appendBatch_result implements org.apache.thrift.TBase<appendBatch_result, appendBatch_result._Fields>, java.io.Serializable, Cloneable   {
        private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("appendBatch_result");
    
        private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.I32, (short)0);
    
        /**
         * 
         * @see Status
         */
        public Status success; // required
    
        /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
        public enum _Fields implements org.apache.thrift.TFieldIdEnum {
          /**
           * 
           * @see Status
           */
          SUCCESS((short)0, "success");
    
          private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
    
          static {
            for (_Fields field : EnumSet.allOf(_Fields.class)) {
              byName.put(field.getFieldName(), field);
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, or null if its not found.
           */
          public static _Fields findByThriftId(int fieldId) {
            switch(fieldId) {
              case 0: // SUCCESS
                return SUCCESS;
              default:
                return null;
            }
          }
    
          /**
           * Find the _Fields constant that matches fieldId, throwing an exception
           * if it is not found.
           */
          public static _Fields findByThriftIdOrThrow(int fieldId) {
            _Fields fields = findByThriftId(fieldId);
            if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
            return fields;
          }
    
          /**
           * Find the _Fields constant that matches name, or null if its not found.
           */
          public static _Fields findByName(String name) {
            return byName.get(name);
          }
    
          private final short _thriftId;
          private final String _fieldName;
    
          _Fields(short thriftId, String fieldName) {
            _thriftId = thriftId;
            _fieldName = fieldName;
          }
    
          public short getThriftFieldId() {
            return _thriftId;
          }
    
          public String getFieldName() {
            return _fieldName;
          }
        }
    
        // isset id assignments
    
        public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
        static {
          Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
          tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
              new org.apache.thrift.meta_data.EnumMetaData(org.apache.thrift.protocol.TType.ENUM, Status.class)));
          metaDataMap = Collections.unmodifiableMap(tmpMap);
          org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(appendBatch_result.class, metaDataMap);
        }
    
        public appendBatch_result() {
        }
    
        public appendBatch_result(
          Status success)
        {
          this();
          this.success = success;
        }
    
        /**
         * Performs a deep copy on <i>other</i>.
         */
        public appendBatch_result(appendBatch_result other) {
          if (other.isSetSuccess()) {
            this.success = other.success;
          }
        }
    
        public appendBatch_result deepCopy() {
          return new appendBatch_result(this);
        }
    
        @Override
        public void clear() {
          this.success = null;
        }
    
        /**
         * 
         * @see Status
         */
        public Status getSuccess() {
          return this.success;
        }
    
        /**
         * 
         * @see Status
         */
        public appendBatch_result setSuccess(Status success) {
          this.success = success;
          return this;
        }
    
        public void unsetSuccess() {
          this.success = null;
        }
    
        /** Returns true if field success is set (has been assigned a value) and false otherwise */
        public boolean isSetSuccess() {
          return this.success != null;
        }
    
        public void setSuccessIsSet(boolean value) {
          if (!value) {
            this.success = null;
          }
        }
    
        public void setFieldValue(_Fields field, Object value) {
          switch (field) {
          case SUCCESS:
            if (value == null) {
              unsetSuccess();
            } else {
              setSuccess((Status)value);
            }
            break;
    
          }
        }
    
        public Object getFieldValue(_Fields field) {
          switch (field) {
          case SUCCESS:
            return getSuccess();
    
          }
          throw new IllegalStateException();
        }
    
        /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
        public boolean isSet(_Fields field) {
          if (field == null) {
            throw new IllegalArgumentException();
          }
    
          switch (field) {
          case SUCCESS:
            return isSetSuccess();
          }
          throw new IllegalStateException();
        }
    
        @Override
        public boolean equals(Object that) {
          if (that == null)
            return false;
          if (that instanceof appendBatch_result)
            return this.equals((appendBatch_result)that);
          return false;
        }
    
        public boolean equals(appendBatch_result that) {
          if (that == null)
            return false;
    
          boolean this_present_success = true && this.isSetSuccess();
          boolean that_present_success = true && that.isSetSuccess();
          if (this_present_success || that_present_success) {
            if (!(this_present_success && that_present_success))
              return false;
            if (!this.success.equals(that.success))
              return false;
          }
    
          return true;
        }
    
        @Override
        public int hashCode() {
          HashCodeBuilder builder = new HashCodeBuilder();
    
          boolean present_success = true && (isSetSuccess());
          builder.append(present_success);
          if (present_success)
            builder.append(success.getValue());
    
          return builder.toHashCode();
        }
    
        public int compareTo(appendBatch_result other) {
          if (!getClass().equals(other.getClass())) {
            return getClass().getName().compareTo(other.getClass().getName());
          }
    
          int lastComparison = 0;
          appendBatch_result typedOther = (appendBatch_result)other;
    
          lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(typedOther.isSetSuccess());
          if (lastComparison != 0) {
            return lastComparison;
          }
          if (isSetSuccess()) {
            lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, typedOther.success);
            if (lastComparison != 0) {
              return lastComparison;
            }
          }
          return 0;
        }
    
        public _Fields fieldForId(int fieldId) {
          return _Fields.findByThriftId(fieldId);
        }
    
        public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
          org.apache.thrift.protocol.TField field;
          iprot.readStructBegin();
          while (true)
          {
            field = iprot.readFieldBegin();
            if (field.type == org.apache.thrift.protocol.TType.STOP) { 
              break;
            }
            switch (field.id) {
              case 0: // SUCCESS
                if (field.type == org.apache.thrift.protocol.TType.I32) {
                  this.success = Status.findByValue(iprot.readI32());
                } else { 
                  org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
                }
                break;
              default:
                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, field.type);
            }
            iprot.readFieldEnd();
          }
          iprot.readStructEnd();
    
          // check for required fields of primitive type, which can't be checked in the validate method
          validate();
        }
    
        public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
          oprot.writeStructBegin(STRUCT_DESC);
    
          if (this.isSetSuccess()) {
            oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
            oprot.writeI32(this.success.getValue());
            oprot.writeFieldEnd();
          }
          oprot.writeFieldStop();
          oprot.writeStructEnd();
        }
    
        @Override
        public String toString() {
          StringBuilder sb = new StringBuilder("appendBatch_result(");
          boolean first = true;
    
          sb.append("success:");
          if (this.success == null) {
            sb.append("null");
          } else {
            sb.append(this.success);
          }
          first = false;
          sb.append(")");
          return sb.toString();
        }
    
        public void validate() throws org.apache.thrift.TException {
          // check for required fields
        }
    
        private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
          try {
            write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
        private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
          try {
            read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
          } catch (org.apache.thrift.TException te) {
            throw new java.io.IOException(te);
          }
        }
    
      }
    
    }
    View Code
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  • 原文地址:https://www.cnblogs.com/iiiDragon/p/9777007.html
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