Examples of com.caucho.amber.entity.Entity

com.caucho.amber.entity.Entity
An entity instance

  /**
   * Returns the entity for the connection.
   */
  public Entity getEntity(EntityItem item)
  {
    Entity itemEntity = item.getEntity();


    Class cl = itemEntity.getClass();
    Object pk = itemEntity.__caucho_getPrimaryKey();


    Entity entity = getEntity(cl, pk);


    if (entity != null) {
      if (entity.__caucho_getEntityState().isManaged())
        return entity;
      // else
      // jpa/0g40: the copy object was created at some point in
      // findEntityItem, but it is still not loaded.
    }
    else {
      try {
        entity = item.createEntity(this, pk);
      } catch (SQLException e) {
        throw new AmberRuntimeException(e);
      }


      /*
      // Create a new entity for the given class and primary key.
      try {
        entity = (Entity) cl.newInstance();
      } catch (Exception e) {
        throw new AmberRuntimeException(e);
      }
      */


      // entity.__caucho_setEntityState(EntityState.P_NON_TRANSACTIONAL);
      // entity.__caucho_setPrimaryKey(pk);


      // jpa/1000: avoids extra allocations.
      addInternalEntity(entity);
    }


    // jpa/0l43
    //_persistenceUnit.copyFromCacheItem(this, entity, item);
    // jpa/0l4a
    entity.__caucho_retrieve_eager(this);


    return entity;
  }

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  /**
   * Returns the entity for the connection.
   */
  public Entity getEntityLazy(EntityItem item)
  {
    Entity itemEntity = item.getEntity();


    Class cl = itemEntity.getClass();
    Object pk = itemEntity.__caucho_getPrimaryKey();


    Entity entity = getEntity(cl, pk);


    if (entity != null) {
      if (entity.__caucho_getEntityState().isManaged())
        return entity;
      // else
      // jpa/0g40: the copy object was created at some point in
      // findEntityItem, but it is still not loaded.
    }

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   * Loads the object based on itself.
   */
  public Object makePersistent(Object obj)
    throws SQLException
  {
    Entity entity = (Entity) obj;


    // check to see if exists


    if (entity == null)
      throw new NullPointerException();


    Class cl = entity.getClass();


    // Entity oldEntity = getEntity(cl, entity.__caucho_getPrimaryKey());


    AmberEntityHome entityHome;
    entityHome = _persistenceUnit.getEntityHome(entity.getClass().getName());


    if (entityHome == null)
      throw new AmberException(L.l("{0}: entity has no matching home",
                                   entity.getClass().getName()));


    entityHome.makePersistent(entity, this, false);


    return entity;
  }

View Full Code Here


      home.init();


      Object obj = load(home.getEntityType().getInstanceClass(), key, false);


      Entity entity = (Entity) obj;


      return entity;
    } catch (SQLException e) {
      log.log(Level.WARNING, e.toString(), e);

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


    Entity entity = getEntity(type.getInstanceClass(), key);


    if (entity != null) {
      // 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.
        Entity instance = (Entity) newEntity;
        setTransactionalState(instance);
      }


      return newEntity;
    } catch (SQLException e) {

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  /**
   * Loads the CMP 2.1 object for the given entityItem
   */
  public Object loadProxy(EntityItem entityItem)
  {
    Entity itemEntity = entityItem.getEntity();


    /*
    Class cl = itemEntity.getClass();
    Object pk = itemEntity.__caucho_getPrimaryKey();

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  public Entity getEntity(Class cl, Object key)
  {
    Entity []entities = _entities;


    for (int i = _entitiesTop - 1; i >= 0; i--) {
      Entity entity = entities[i];


      if (entity.__caucho_match(cl, key)) {
        return entity;
      }
    }


    return null;

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  {
    Entity []entities = _entities;


    // jpa/0l43
    for (int i = _entitiesTop - 1; i >= 0; i--) {
      Entity entity = entities[i];


      if (entity.__caucho_getPrimaryKey().equals(key)) {
        if (cl.isAssignableFrom(entity.getClass()))
          return entity;
      }
    }


    return null;

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  {
    Entity []entities = _entities;


    // jpa/0l4a
    for (int i = _entitiesTop - 1; i >= 0; i--) {
      Entity entity = entities[i];


      if (entity.__caucho_getPrimaryKey().equals(key)) {
        if (cl.isAssignableFrom(entity.getClass()))
          return entity.__caucho_getCacheItem();
      }
    }


    return null;
  }

View Full Code Here

  public Entity getTransactionEntity(Class cl, Object key)
  {
    Entity []entities = _txEntities;


    for (int i = _txEntitiesTop - 1; i >= 0; i--) {
      Entity entity = entities[i];


      if (entity.__caucho_match(cl, key)) {
        return entity;
      }
    }


    return null;

View Full Code Here

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

com.caucho.amber.expr.LoadEntityExpr

com.caucho.amber.manager.AmberConnection

com.caucho.amber.manager.QueryImpl

com.caucho.amber.query.ResultSetImpl

com.caucho.amber.type.EntityType

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