KeyGenerator表示 主键生成器
public interface KeyGenerator {
/**
* 获取主键
* @return 成功返回自定义生成的主键，否则返回""
*/
String get();
}
DefaultKeyGenerator表示默认的主键生成器:sf+日期时间(精确到毫秒)
public class DefaultKeyGenerator implements KeyGenerator {
/* (non-Javadoc)
* @see jcsf.jdbc.dao.KeyGenerator#get()
*/
public String get() {
String result = "" ;
synchronized(this){
long key = System.currentTimeMillis();
result = "sf_" + String.valueOf(key);
}
return result ;
}
}
/**
* ID
自定义递增方式 customer,
@DataField(name = "ID", dataType = DataType.VARCHAR, chinese = "ID", sequenceName = "com.sf.example.dao_9.DefaultKeyGenerator" ,incrementType = IncrementType.customer,isNullable = false, isPrimaryKey = true)
private String ID;
