Examples of com.caucho.amber.entity.AmberEntityHome

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

  void registerUpdates(CachedQuery query)
  {
    for (int i = 0; i < _fromList.size(); i++) {
      FromItem item = _fromList.get(i);


      AmberEntityHome home = item.getEntityHome();


      CacheUpdate update = new TableCacheUpdate(query);


      home.addUpdate(update);
    }
  }

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    String name = parseIdentifier();


    SchemaExpr schema = null;


    if (! isIn) {
      AmberEntityHome home = _persistenceUnit.getHomeBySchema(name);


      if (home != null) {
        EntityType type = home.getEntityType();


        schema = new TableIdExpr(home.getEntityType(),
                                 type.getTable().getName());
      }
    }


    IdExpr id = null;


    if (schema == null) {
      id = getIdentifier(name);


      if (id != null)
        schema = new FromIdSchemaExpr(id);
    }


    if (! isIn && schema == null) {
      while (peekToken() == '.') {
        scanToken();
        String segment = parseIdentifier();


        name = name + '.' + segment;


        AmberEntityHome home = _persistenceUnit.getHomeBySchema(name);


        if (home != null) {
          schema = new TableIdExpr(home.getEntityType(), name);
          break;
        }
      }
    }

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    throws SQLException
  {
    int index = getColumn(column);


    FromItem item = _fromList.get(column - 1);
    AmberEntityHome home = item.getEntityHome();


    Object key = home.getEntityType().getId().getObject(_rs, index);


    return key;
  }

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  /**
   * Returns a matching entity.
   */
  public EntityType getEntity(String className)
  {
    AmberEntityHome home = _entityHomeMap.get(className);


    if (home != null)
      return home.getEntityType();
    else
      return null;
  }

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   * Returns the entity item.
   */
  public EntityItem getEntityItem(String homeName, Object key)
    throws AmberException
  {
    AmberEntityHome home = getEntityHome(homeName);


    // return home.findEntityItem(getCacheConnection(), key, false);


    return null; // XXX:
  }

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    if (! ((resultSetMapping == null) || "".equals(resultSetMapping)))
      return createNativeQuery(sql, resultSetMapping);


    Class resultClass = nativeQuery.getResultClass();


    AmberEntityHome entityHome
      = _persistenceUnit.getEntityHome(resultClass.getName());


    EntityType entityType = entityHome.getEntityType();


    try {
      return createNativeQuery(sql, entityType.getInstanceClass());
    } catch (Exception e) {
      throw new IllegalArgumentException(e);

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   */
  public Object load(String entityName,
                     Object key)
    throws AmberException
  {
    AmberEntityHome entityHome = _persistenceUnit.getEntityHome(entityName);


    if (entityHome == null)
      return null;


    Entity entity = null;


    // XXX: ejb/0d01
    // jpa/0y14 if (shouldRetrieveFromCache())
    entity = getEntity(entityHome.getJavaClass(), key);


    if (entity != null)
      return entity;


    try {
      entityHome.init();
    } catch (ConfigException e) {
      throw new AmberException(e);
    }


    entity = (Entity) find(entityHome.getEntityType().getInstanceClass(), key);


    // addEntity(entity);


    return entity;
  }

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    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;
  }

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  {
    if (key == null)
      return null;


    try {
      AmberEntityHome home = _persistenceUnit.getEntityHome(name);


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


      home.init();


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


      Entity entity = (Entity) obj;


      return entity;
    } catch (SQLException e) {

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   * Loads the object with the given class.
   */
  public EntityItem findEntityItem(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();


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

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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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