package com.mdcl.mocha.be.api.entity;

import java.util.HashSet;
import java.util.Set;

public class ProcessInstance {
    private long id;
    private String pmgId;
    private String processId;
    private Set logs;

    public ProcessInstance(){
        this.logs=new HashSet();
    }

    public long getId() {
        return id;
    }

    public String getPmgId() {
        return pmgId;
    }

    public String getProcessId() {
        return processId;
    }

    public void setId(long l) {
        id = l;
    }

    public void setPmgId(String string) {
        pmgId = string;
    }

    public void setProcessId(String string) {
        processId = string;
    }

    public Set getLogs() {
        return logs;
    }

    public void setLogs(Set logs) {
        this.logs = logs;
    }
}

package com.mdcl.mocha.be.api.entity;

public class ProcessLog {
    private long id;
    private String activityId;
    private ProcessInstance parent;

    public String getActivityId() {
        return activityId;
    }

    public long getId() {
        return id;
    }

    public ProcessInstance getParent() {
        return parent;
    }

    public void setActivityId(String string) {
        activityId = string;
    }

    public void setId(long l) {
        id = l;
    }

    public void setParent(ProcessInstance parent) {
        this.parent = parent;
    }
}

<hibernate-mapping>
    <class name="com.mdcl.mocha.be.api.entity.ProcessInstance" table="mocha_be_process_instance">
        <id name="id" column="id" type="long">
            <generator class="native"/>
        </id>
        <property name="pmgId" column="pmgid" type="string" length="100"/>
        <property name="processId" column="processid" type="string" length="20" not-null="true"/>
        <set name="logs" lazy="true" inverse="true" cascade="all">
            <key column="processinstanceid"/>
            <one-to-many class="com.mdcl.mocha.be.api.entity.ProcessLog"/>
        </set>
    </class>
</hibernate-mapping>

<hibernate-mapping>
    <class name="com.mdcl.mocha.be.api.entity.ProcessLog" table="mocha_be_process_log">
        <id name="id" column="id" type="long">
            <generator class="native"/>
        </id>
        <property name="activityId" column="activityid" type="string" length="20" not-null="true"/>
        <many-to-one name="parent"
            class="com.mdcl.mocha.be.api.entity.ProcessInstance"
            column="processinstanceid"/>
    </class>
</hibernate-mapping>

package com.mdcl.mocha.util;

import com.mdcl.mocha.be.api.entity.ProcessInstance;
import com.mdcl.mocha.be.api.entity.ProcessLog;
import com.mdcl.mocha.exception.MochaException;

import net.sf.hibernate.Session;
//import net.sf.hibernate.cfg.Configuration;
//import net.sf.hibernate.tool.hbm2ddl.SchemaExport;

public class MyTest {
    public static void main(String[] args) {
        Session s=null;
        try {
            s = DBManager.getSession();
            s.getSessionFactory();
            ProcessInstance pi = new ProcessInstance();
            pi.setPmgId("fff");
            pi.setProcessId("123");
   
            ProcessLog pl = new ProcessLog();
            pl.setActivityId("111");
            pl.setParent(pi);
            pi.getLogs().add(pl);
            s.save(pi);
            s.connection().commit();
            s.flush();
System.out.println("=="+pl.getParent().getId()+"/"+pl.getId());
        } catch (Exception e) {
            e.printStackTrace();
//            try {
//                Configuration cfg=new Configuration().configure("/hibernate.be.xml");
//                new SchemaExport(cfg).create(true, true);
//            } catch (Exception e1) {
//                e1.printStackTrace();
//            }
        }finally{
            try {
                DBManager.releaseSession(s);
            } catch (MochaException e1) {
                e1.printStackTrace();
            }
        }
    }
}