| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.kernel; |
| |
| import java.util.Properties; |
| |
| import org.apache.openjpa.conf.OpenJPAConfiguration; |
| import org.apache.openjpa.util.RuntimeExceptionTranslator; |
| |
| /////////////////////////////////////////////////////////////// |
| // NOTE: when adding a public API method, be sure to add it to |
| // JDO and JPA facades! |
| /////////////////////////////////////////////////////////////// |
| |
| /** |
| * Delegating broker factory that can also perform exception translation |
| * for use in facades. |
| * |
| * @since 0.4.0 |
| * @author Abe White |
| * @nojavadoc |
| */ |
| public class DelegatingBrokerFactory |
| implements BrokerFactory { |
| |
| private final BrokerFactory _factory; |
| private final DelegatingBrokerFactory _del; |
| private final RuntimeExceptionTranslator _trans; |
| |
| /** |
| * Constructor; supply delegate. |
| */ |
| public DelegatingBrokerFactory(BrokerFactory factory) { |
| this(factory, null); |
| } |
| |
| /** |
| * Constructor; supply delegate and exception translator. |
| */ |
| public DelegatingBrokerFactory(BrokerFactory factory, |
| RuntimeExceptionTranslator trans) { |
| _factory = factory; |
| if (factory instanceof DelegatingBrokerFactory) |
| _del = (DelegatingBrokerFactory) factory; |
| else |
| _del = null; |
| _trans = trans; |
| } |
| |
| /** |
| * Return the direct delegate. |
| */ |
| public BrokerFactory getDelegate() { |
| return _factory; |
| } |
| |
| /** |
| * Return the native delegate. |
| */ |
| public BrokerFactory getInnermostDelegate() { |
| return (_del == null) ? _factory : _del.getInnermostDelegate(); |
| } |
| |
| public int hashCode() { |
| return getInnermostDelegate().hashCode(); |
| } |
| |
| public boolean equals(Object other) { |
| if (other == this) |
| return true; |
| if (other instanceof DelegatingBrokerFactory) |
| other = ((DelegatingBrokerFactory) other).getInnermostDelegate(); |
| return getInnermostDelegate().equals(other); |
| } |
| |
| /** |
| * Translate the OpenJPA exception. |
| */ |
| protected RuntimeException translate(RuntimeException re) { |
| return (_trans == null) ? re : _trans.translate(re); |
| } |
| |
| public OpenJPAConfiguration getConfiguration() { |
| try { |
| return _factory.getConfiguration(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public Properties getProperties() { |
| try { |
| return _factory.getProperties(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public Object putUserObject(Object key, Object val) { |
| try { |
| return _factory.putUserObject(key, val); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public Object getUserObject(Object key) { |
| try { |
| return _factory.getUserObject(key); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public Broker newBroker() { |
| try { |
| return _factory.newBroker(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public Broker newBroker(String user, String pass, boolean managed, |
| int connRetainMode, boolean findExisting) { |
| try { |
| return _factory.newBroker(user, pass, managed, connRetainMode, |
| findExisting); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void addLifecycleListener(Object listener, Class[] classes) { |
| try { |
| _factory.addLifecycleListener(listener, classes); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void removeLifecycleListener(Object listener) { |
| try { |
| _factory.removeLifecycleListener(listener); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void addTransactionListener(Object listener) { |
| try { |
| _factory.addTransactionListener(listener); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void removeTransactionListener(Object listener) { |
| try { |
| _factory.removeTransactionListener(listener); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void close() { |
| try { |
| _factory.close(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public boolean isClosed() { |
| try { |
| return _factory.isClosed(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void lock() { |
| try { |
| _factory.lock(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| |
| public void unlock() { |
| try { |
| _factory.unlock(); |
| } catch (RuntimeException re) { |
| throw translate(re); |
| } |
| } |
| } |