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ids for class must be manually assigned beforecalling save()

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baktha.thalapthy

Post subject: ids for class must be manually assigned beforecalling save()

Posted: Fri Apr 09, 2010 2:36 am

Newbie

Joined: Wed Mar 31, 2010 4:35 am
Posts: 19

I have two table

Xydataa and Fm4featuress

ID->PK
Fm4features

ID-PK-FK
DataId-pk

mapping file

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
<class name="test.Xydataa" table="xydataa" catalog="navl">
<id name="id" type="java.lang.Integer">
<column name="ID" />
<generator class="identity" />
</id>
<property name="longi" type="string">
<column name="Longi" />
</property>
<property name="lat" type="string">
<column name="Lat" />
</property>
<property name="altitude" type="int">
<column name="Altitude" not-null="true" />
</property>
<property name="angle" type="int">
<column name="Angle" not-null="true" />
</property>
<property name="satellite" type="int">
<column name="Satellite" not-null="true" />
</property>
<property name="speed" type="int">
<column name="Speed" not-null="true" />
</property>
<property name="objectId" type="int">
<column name="ObjectId" not-null="true" />
</property>
<property name="clientId" type="int">
<column name="ClientId" not-null="true" />
</property>
<property name="gpsTime" type="string">
<column name="GpsTime" length="19" not-null="false" />
</property>
<property name="location" type="string">
<column name="Location" />
</property>
<property name="city" type="string">
<column name="City" />
</property>
<property name="state" type="string">
<column name="State" />
</property>
<property name="distance" type="string">
<column name="Distance" length="100" />
</property>
<property name="times" type="timestamp">
<column name="Times" length="19" not-null="false" />
</property>
<set name="objtablees" inverse="true">
<key>
<column name="ID" not-null="true" unique="true" />
</key>
<one-to-many class="test.Objtablee" />
</set>
<set name="fm4featuresses" cascade="all" inverse="true">
<key>
<column name="ID" not-null="true" />
</key>
<one-to-many class="test.Fm4featuress" />
</set>
</class>
</hibernate-mapping>

Fm4featuress.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping>
<class name="test.Fm4featuress" table="fm4featuress" catalog="navl">
<composite-id name="id" class="test.Fm4featuressId">
<key-many-to-one name="id" class="test.Xydataa" column="ID" />
<key-property name="dataId" column="DataId"/>
</composite-id>
<property name="value" type="string">
<column name="Value" length="20" not-null="true" />
</property>
</class>
</hibernate-mapping>

Main Class

from open session to close session

Code:

sess = HibernateUtil.getSessionFactory().openSession();
             Date resultdate = new Date(times);
             xx = new DecimalNumber(x,7);
              yy = new DecimalNumber(y,7);
              System.out.println("Inserting xydataa");
              Xydataa xy=new Xydataa();
              Set set = new HashSet();
              xy.setLongi(xx+"");
              xy.setLat(yy+"");
              xy.setAltitude(altitude);
              xy.setAngle(angle);
              xy.setSatellite(satellites);
              xy.setSpeed(speed);
              xy.setObjectId(objectId);
              xy.setClientId(clientId);
              xy.setGpsTime(sdf.format(resultdate));
              xy.setLocation(location);
              xy.setCity(city);
              xy.setState(state);
              xy.setDistance(distance);
              System.out.println("Done");
              Fm4featuress fm = new  Fm4featuress();
              Fm4featuressId fm1 = new Fm4featuressId();
              for (int i = 0; i < obj.length && obj[i] != 0; i++)
             {
              int all = obj[i] - 1;
              System.out.println("Inserting Fm4Featuress");
              //fm.setId(0);
              fm1.setDataId(all);
              fm.setValue(obja[i]+"");
              fm.setXydataa(xy);
              xy.getFm4featuresses().add(fm);
              set.add(fm);
               //fm.setXydataa(xy);
              //set.add(fm);
              //xy.setFm4featuresses(set);
              System.out.println(set.contains(fm));
              System.out.println("***ID="+fm1.getId()+"***DataId="+fm1.getDataId()+"***Value="+fm.getValue());
              
              }

     Transaction transaction = null;
   try {
           transaction = sess.beginTransaction();
           sess.save(xy);
           sess.saveOrUpdate(fm);
           //sess.persist(fm);
           //sess.merge(fm);
           //sess.saveOrUpdate(fm);
           sess.flush();
           sess.clear();
           transaction.commit();
           System.out.println("Transaction commited");
      } catch (Exception e) {
         System.out.println("Exception Here");
           if (transaction != null) {
             transaction.rollback();
             throw e;
           }
      }  finally {
           if (sess!=null)
           {
               sess.close();
           }
      }

Error Stack Trace

org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): test.Fm4featuress
at org.hibernate.id.Assigned.generate(Assigned.java:33)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:99)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:94)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:507)
at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:499)
at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:218)
at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:268)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:216)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:296)
at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:242)
at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:219)
at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:169)
at org.hibernate.engine.Cascade.cascade(Cascade.java:130)
at org.hibernate.event.def.AbstractSaveEventListener.cascadeAfterSave(AbstractSaveEventListener.java:456)
at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:334)
at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:181)
at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:107)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:187)
at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:172)
at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)
at org.hibernate.impl.SessionImpl.fireSave(SessionImpl.java:535)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:523)
at org.hibernate.impl.SessionImpl.save(SessionImpl.java:519)

I got this error

Pls help any one me what ia m doing wrong

i need the ouput

Xydataa

1 4 5
2 4 8
5 8 0

Fm4featuress
ID DataID
1 3
1 5
1 8
1 ...
2
2
2
2
5
5
5
5

Advance Thanks

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