Examples of com.caucho.amber.entity.AmberEntityHome

com.caucho.amber.entity.AmberEntityHome
Manages the set of persistent beans.

   * Loads the object with the given class.
   */
  public EntityItem setEntityItem(String name, Object key, EntityItem item)
  {
    try {
      AmberEntityHome home = _persistenceUnit.getEntityHome(name);


      if (home == null)
        throw new RuntimeException(L.l("no matching home for {0}", name));


      home.init();


      return home.setEntityItem(key, item);
    } catch (RuntimeException e) {
      throw e;
    } catch (Exception e) {
      throw new AmberRuntimeException(e);
    }

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   */
  public Entity loadFromHome(String name,
                             Object key)
  {
    try {
      AmberEntityHome home = _persistenceUnit.getEntityHome(name);


      if (home == null)
        throw new RuntimeException(L.l("no matching home for {0}", name));


      home.init();


      // jpa/0ge4, jpa/0o04, jpa/0o0b, jpa/0o0c: bidirectional optimization.
      return (Entity) load(home.getEntityType().getInstanceClass(),
                           key, true);
    } catch (AmberObjectNotFoundException e) {
      if (_persistenceUnit.isJPA()) {
        if (log.isLoggable(Level.FINER))
          log.log(Level.FINER, e.toString(), e);

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                          Object key)
  {
    if (key == null)
      return null;


    AmberEntityHome home = _persistenceUnit.getEntityHome(name);


    if (home == null)
      throw new RuntimeException(L.l("no matching home for {0}", name));


    return loadProxy(home.getEntityType(), key);
  }

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      // jpa/0m30
      return entity;
    }


    try {
      AmberEntityHome home = type.getHome();


      EntityItem item = home.findEntityItem(this, key);


      if (item == null)
        return null;


      EntityFactory factory = home.getEntityFactory();


      Object newEntity = factory.getEntity(this, item);


      if (_persistenceUnit.isJPA()) {
        // jpa/0h29: eager loading.

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      // jpa/0m30
      return entity;
    }
    */
    
    AmberEntityHome home = entityItem.getEntityHome();


    EntityFactory factory = home.getEntityFactory();


    Object newEntity = factory.getEntity(this, entityItem);


    return newEntity;
  }

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   * Loads the object based on the class and primary key.
   */
  public Object load(Class cl, long intKey)
    throws AmberException
  {
    AmberEntityHome entityHome = _persistenceUnit.getEntityHome(cl.getName());


    if (entityHome == null)
      return null;


    Object key = entityHome.toObjectKey(intKey);


    return load(cl, key, true);
  }

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   * Loads the object based on the class and primary key.
   */
  public Object loadLazy(Class cl, long intKey)
    throws AmberException
  {
    AmberEntityHome entityHome = _persistenceUnit.getEntityHome(cl.getName());


    if (entityHome == null)
      return null;


    Object key = entityHome.toObjectKey(intKey);


    return loadLazy(cl, cl.getName(), key);
  }

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    }
    else {
      // HelperBean__Amber -> HelperBean
      String className = cl.getSuperclass().getName();


      AmberEntityHome entityHome = _persistenceUnit.getEntityHome(className);


      if (entityHome == null) {
        if (log.isLoggable(Level.FINER))
          log.log(Level.FINER, L.l("Amber.addNewEntity: home not found for entity (class: '{0}' PK: '{1}')",
                                   className, key));
        return null;
      }


      EntityFactory factory = entityHome.getEntityFactory();


      // TestBean__EJB
      Object value = factory.getEntity(key);


      Method cauchoGetBeanMethod = entityHome.getCauchoGetBeanMethod();
      if (cauchoGetBeanMethod != null) {
        try {
          // Bean
          entity = (Entity) cauchoGetBeanMethod.invoke(value, new Object[0]);
          // entity.__caucho_makePersistent(aConn, item);

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    }
    else {
      // HelperBean__Amber -> HelperBean
      String className = cl.getSuperclass().getName();


      AmberEntityHome entityHome = _persistenceUnit.getEntityHome(className);


      if (entityHome == null) {
        if (log.isLoggable(Level.FINER))
          log.log(Level.FINER, L.l("Amber.addNewEntity: home not found for entity (class: '{0}' PK: '{1}')",
                                   className, key));
        return null;
      }


      EntityFactory factory = entityHome.getEntityFactory();


      // TestBean__EJB
      Object value = factory.getEntity(key);


      Method cauchoGetBeanMethod = entityHome.getCauchoGetBeanMethod();
      if (cauchoGetBeanMethod != null) {
        try {
          // Bean
          entity = (Entity) cauchoGetBeanMethod.invoke(value, new Object[0]);
          // entity.__caucho_makePersistent(aConn, item);

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    entityType.setBeanClass(beanClass);


    _lazyConfigure.add(entityType);
    // getEnvManager().addLazyConfigure(entityType);


    AmberEntityHome entityHome = _entityHomeMap.get(beanClass.getName());


    if (entityHome == null) {
      entityHome = new AmberEntityHome(this, entityType);
      _lazyHomeInit.add(entityHome);
      _isInit = false;
    }


    addEntityHome(name, entityHome);

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Related Classes of com.caucho.amber.entity.AmberEntityHome

com.caucho.amber.EnvAmberManager

com.caucho.amber.manager.AmberConnection

com.caucho.amber.manager.AmberPersistenceUnit

com.caucho.amber.query.AbstractQuery

com.caucho.amber.query.QueryParser

com.caucho.amber.query.ResultSetImpl

com.caucho.amber.AmberRuntimeException

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