zoukankan html css js c++ java

【话题讨论功能模块】话题讨论类关系【用于理解一对多等映射、级联关系】

【话题分类对应类】
package com.jspxcms.core.domain;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.OrderBy;
import javax.persistence.Table;
import javax.persistence.TableGenerator;


/**
 * The persistent class for the sc_ask_category database table.
 * 
 */
@Entity
@Table(name="sc_ask_category")
@NamedQuery(name="ScAskCategory.findAll", query="SELECT s FROM ScAskCategory s")
public class ScAskCategory implements Serializable {
	private static final long serialVersionUID = 1L;
	private Integer id;
	private String code;
	private int leaf;
	private String name;
	private Integer parentid;
	private int sort;
	private Set<ScAsk> asks = new HashSet<ScAsk>();

	public ScAskCategory() {
	}


	@Id
	@TableGenerator(name = "tg_sc_ask_category", pkColumnValue = "sc_ask_category", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
	@GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_ask_category")
	public Integer getId() {
		return this.id;
	}

	public void setId(Integer id) {
		this.id = id;
	}


	public String getCode() {
		return this.code;
	}

	public void setCode(String code) {
		this.code = code;
	}


	public int getLeaf() {
		return this.leaf;
	}

	public void setLeaf(int leaf) {
		this.leaf = leaf;
	}


	public String getName() {
		return this.name;
	}

	public void setName(String name) {
		this.name = name;
	}


	public Integer getParentid() {
		return this.parentid;
	}

	public void setParentid(Integer parentid) {
		this.parentid = parentid;
	}


	public int getSort() {
		return this.sort;
	}

	public void setSort(int sort) {
		this.sort = sort;
	}

	@OneToMany(mappedBy="category")
	@OrderBy(value="ctime desc ")
	public Set<ScAsk> getAsks() {
		return asks;
	}


	public void setAsks(Set<ScAsk> asks) {
		this.asks = asks;
	}
	
}

  1 【问题类】
  2 package com.jspxcms.core.domain;
  3 
  4 import java.io.Serializable;
  5 import java.util.Date;
  6 import java.util.HashSet;
  7 import java.util.Set;
  8 
  9 import javax.persistence.CascadeType;
 10 import javax.persistence.Column;
 11 import javax.persistence.Entity;
 12 import javax.persistence.GeneratedValue;
 13 import javax.persistence.GenerationType;
 14 import javax.persistence.Id;
 15 import javax.persistence.JoinColumn;
 16 import javax.persistence.ManyToOne;
 17 import javax.persistence.NamedQuery;
 18 import javax.persistence.OneToMany;
 19 import javax.persistence.OneToOne;
 20 import javax.persistence.OrderBy;
 21 import javax.persistence.Table;
 22 import javax.persistence.TableGenerator;
 23 import javax.persistence.Temporal;
 24 import javax.persistence.TemporalType;
 25 
 26 import org.hibernate.annotations.LazyCollection;
 27 import org.hibernate.annotations.LazyCollectionOption;
 28 
 29 
 30 /**
 31  * The persistent class for the sc_ask database table.
 32  * 
 33  */
 34 @Entity
 35 @Table(name="sc_ask")
 36 @NamedQuery(name="ScAsk.findAll", query="SELECT s FROM ScAsk s")
 37 public class ScAsk implements Serializable {
 38     private static final long serialVersionUID = 1L;
 39     private Integer id;
 40     private ScAskCategory category;
 41     private Date ctime;
 42     private Date lasttime;
 43     private int readpop;
 44     private ScRuninfo runinfo;
 45     private ScText text;
 46     private String title;
 47     private User user;
 48     private Set<ScAskAnswer> answers = new HashSet<ScAskAnswer>();
 49     public ScAsk() {
 50     }
 51 
 52 
 53     @Id
 54     @TableGenerator(name = "tg_sc_ask", pkColumnValue = "sc_ask", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
 55     @GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_ask")
 56     public Integer getId() {
 57         return this.id;
 58     }
 59 
 60     public void setId(Integer id) {
 61         this.id = id;
 62     }
 63 
 64 
 65     
 66 
 67     @ManyToOne
 68     @JoinColumn(name="CATEGORY_ID")
 69     public ScAskCategory getCategory() {
 70         return category;
 71     }
 72 
 73 
 74     public void setCategory(ScAskCategory category) {
 75         this.category = category;
 76     }
 77 
 78 
 79     @Temporal(TemporalType.TIMESTAMP)
 80     public Date getCtime() {
 81         return this.ctime;
 82     }
 83 
 84     public void setCtime(Date ctime) {
 85         this.ctime = ctime;
 86     }
 87 
 88 
 89     @Temporal(TemporalType.TIMESTAMP)
 90     public Date getLasttime() {
 91         return this.lasttime;
 92     }
 93 
 94     public void setLasttime(Date lasttime) {
 95         this.lasttime = lasttime;
 96     }
 97 
 98 
 99     public int getReadpop() {
100         return this.readpop;
101     }
102 
103     public void setReadpop(int readpop) {
104         this.readpop = readpop;
105     }
106 
107     @OneToOne(cascade={CascadeType.REMOVE,CascadeType.PERSIST,CascadeType.MERGE})
108     @JoinColumn(name="RUNINFO_ID")
109     public ScRuninfo getRuninfo() {
110         return runinfo;
111     }
112 
113     public void setRuninfo(ScRuninfo runinfo) {
114         this.runinfo = runinfo;
115     }
116 
117 
118     @OneToOne(cascade={CascadeType.REMOVE,CascadeType.PERSIST,CascadeType.MERGE})
119     @JoinColumn(name="TEXT_ID")
120     public ScText getText() {
121         return text;
122     }
123 
124 
125     public void setText(ScText text) {
126         this.text = text;
127     }
128 
129 
130     public String getTitle() {
131         return this.title;
132     }
133 
134     public void setTitle(String title) {
135         this.title = title;
136     }
137 
138     @OneToOne
139     @JoinColumn(name="USER_ID")
140     public User getUser() {
141         return user;
142     }
143     public void setUser(User user) {
144         this.user = user;
145     }
146 
147     @OneToMany(mappedBy="ask",cascade={CascadeType.REMOVE})
148     @LazyCollection(LazyCollectionOption.FALSE)
149     @OrderBy(value="ctime desc")
150     public Set<ScAskAnswer> getAnswers() {
151         return answers;
152     }
153 
154     public void setAnswers(Set<ScAskAnswer> answers) {
155         this.answers = answers;
156     }
157 
158     
159 }

【回复问题的答案类】
package com.jspxcms.core.domain;

import java.io.Serializable;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;
import javax.persistence.OrderBy;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;


/**
 * The persistent class for the sc_ask_answer database table.
 * 
 */
@Entity
@Table(name="sc_ask_answer")
@NamedQuery(name="ScAskAnswer.findAll", query="SELECT s FROM ScAskAnswer s")
public class ScAskAnswer implements Serializable {
    private static final long serialVersionUID = 1L;
    private Integer id;
    private ScAsk ask;
    private Date ctime;
    private Date lasttime;
    private ScText text;
    private User user;
    private Set<ScAnswerReply> replys = new HashSet<ScAnswerReply>();
    public ScAskAnswer() {
    }


    @Id
    @TableGenerator(name = "tg_sc_ask_answer", pkColumnValue = "sc_ask_answer", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_ask_answer")
    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }


    
    @ManyToOne(fetch=FetchType.EAGER)
    @JoinColumn(name="ASK_ID")
    public ScAsk getAsk() {
        return ask;
    }


    public void setAsk(ScAsk ask) {
        this.ask = ask;
    }


    @Temporal(TemporalType.TIMESTAMP)
    public Date getCtime() {
        return this.ctime;
    }

    public void setCtime(Date ctime) {
        this.ctime = ctime;
    }


    @Temporal(TemporalType.TIMESTAMP)
    public Date getLasttime() {
        return this.lasttime;
    }

    public void setLasttime(Date lasttime) {
        this.lasttime = lasttime;
    }

    @OneToOne(cascade={CascadeType.REMOVE,CascadeType.MERGE})
    @JoinColumn(name="TEXT_ID")
    public ScText getText() {
        return text;
    }


    public void setText(ScText text) {
        this.text = text;
    }


    @OneToOne
    @JoinColumn(name="USER_ID")
    public User getUser() {
        return user;
    }


    public void setUser(User user) {
        this.user = user;
    }

    @OneToMany(mappedBy="answer",cascade={CascadeType.REMOVE})
    @LazyCollection(LazyCollectionOption.FALSE)
    @OrderBy(value="ctime ASC")
    public Set<ScAnswerReply> getReplys() {
        return replys;
    }


    public void setReplys(Set<ScAnswerReply> replys) {
        this.replys = replys;
    }


    
}

【回复答案的讨论类】
package com.jspxcms.core.domain;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQuery;
import javax.persistence.OneToOne;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;


/**
 * The persistent class for the sc_answer_reply database table.
 * 
 */
@Entity
@Table(name="sc_answer_reply")
@NamedQuery(name="ScAnswerReply.findAll", query="SELECT s FROM ScAnswerReply s")
public class ScAnswerReply implements Serializable {
    private static final long serialVersionUID = 1L;
    private Integer id;
    private ScAskAnswer answer;
    private String content;
    private Date ctime;
    private User remaindUser;
    private User user;

    public ScAnswerReply() {
    }


    @Id
    @TableGenerator(name = "tg_sc_answer_reply", pkColumnValue = "sc_answer_reply", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_answer_reply")
    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }
    

    @ManyToOne
    @JoinColumn(name="ANSWER_ID")
    public ScAskAnswer getAnswer() {
        return answer;
    }


    public void setAnswer(ScAskAnswer answer) {
        this.answer = answer;
    }


    public String getContent() {
        return this.content;
    }

    public void setContent(String content) {
        this.content = content;
    }


    @Temporal(TemporalType.TIMESTAMP)
    public Date getCtime() {
        return this.ctime;
    }

    public void setCtime(Date ctime) {
        this.ctime = ctime;
    }

    
    @OneToOne
    @JoinColumn(name="REMAINDUSER_ID")
    public User getRemaindUser() {
        return remaindUser;
    }


    public void setRemaindUser(User remaindUser) {
        this.remaindUser = remaindUser;
    }


    @OneToOne
    @JoinColumn(name="USER_ID")
    public User getUser() {
        return user;
    }


    public void setUser(User user) {
        this.user = user;
    }


}

【问题和答案的正文类】
package com.jspxcms.core.domain;

import java.io.Serializable;
import javax.persistence.*;


/**
 * The persistent class for the sc_text database table.
 * 
 */
@Entity
@Table(name="sc_text")
@NamedQuery(name="ScText.findAll", query="SELECT s FROM ScText s")
public class ScText implements Serializable {
    private static final long serialVersionUID = 1L;
    private Integer id;
    private String text;

    public ScText() {
    }


    @Id
    @TableGenerator(name = "tg_sc_text", pkColumnValue = "sc_text", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_text")
    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }


    @Lob
    public String getText() {
        return this.text;
    }

    public void setText(String text) {
        this.text = text;
    }

}

【针对问题的 浏览数  回复数  讨论数的类】
package com.jspxcms.core.domain;

import java.io.Serializable;

import javax.persistence.*;


/**
 * The persistent class for the sc_runinfo database table.
 * 
 */
@Entity
@Table(name="sc_runinfo")
@NamedQuery(name="ScRuninfo.findAll", query="SELECT s FROM ScRuninfo s")
public class ScRuninfo implements Serializable {
    private static final long serialVersionUID = 1L;
    private Integer id;
    private Integer answeringnum;
    private Integer replynum;
    private Integer visitnum;

    public ScRuninfo() {
    }


    @Id
    @TableGenerator(name = "tg_sc_runinfo", pkColumnValue = "sc_runinfo", table = "t_id_table", pkColumnName = "f_table", valueColumnName = "f_id_value", initialValue = 1, allocationSize = 1)
    @GeneratedValue(strategy = GenerationType.TABLE, generator = "tg_sc_runinfo")
    public Integer getId() {
        return this.id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    @Column(name = "answeringnum")
    public Integer getAnsweringnum() {
        return answeringnum;
    }


    public void setAnsweringnum(Integer answeringnum) {
        this.answeringnum = answeringnum;
    }

    @Column(name = "replynum")
    public Integer getReplynum() {
        return replynum;
    }


    public void setReplynum(Integer replynum) {
        this.replynum = replynum;
    }

    @Column(name = "visitnum")
    public Integer getVisitnum() {
        return visitnum;
    }


    public void setVisitnum(Integer visitnum) {
        this.visitnum = visitnum;
    }


}

【六个类对应数据库表如下】

问题分类对应表

问题表

【答案表】

【讨论表】

【正文表】

【浏览数回复数讨论数表】

查看全文

相关阅读:
27 Spring Cloud Feign整合Hystrix实现容错处理
 26 Spring Cloud使用Hystrix实现容错处理
 25 Spring Cloud Hystrix缓存与合并请求
 24 Spring Cloud Hystrix资源隔离策略（线程、信号量）
23 Spring Cloud Hystrix（熔断器）介绍及使用
 22 Spring Cloud Feign的自定义配置及使用
 21 Spring Cloud使用Feign调用服务接口
 20 Spring Cloud Ribbon配置详解
 19 Spring Cloud Ribbon自定义负载均衡策略
 18 Spring Cloud Ribbon负载均衡策略介绍

原文地址：https://www.cnblogs.com/dixinyunpan/p/5800074.html