| /* |
| * 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.conf; |
| |
| import org.apache.openjpa.event.RemoteCommitEventManager; |
| import org.apache.openjpa.event.RemoteCommitProvider; |
| import org.apache.openjpa.lib.conf.Configuration; |
| import org.apache.openjpa.lib.conf.Configurations; |
| import org.apache.openjpa.lib.conf.PluginValue; |
| import org.apache.openjpa.lib.util.Options; |
| import org.apache.openjpa.lib.util.StringUtil; |
| |
| /** |
| * Value type used to represent a {@link RemoteCommitProvider}. This |
| * plugin allows users to specify whether to transmit the ids of added objects |
| * in the remote commit events distributed. |
| * |
| * @author Abe White |
| */ |
| public class RemoteCommitProviderValue |
| extends PluginValue { |
| |
| private static final String[] ALIASES = new String[]{ |
| "sjvm", "org.apache.openjpa.event.SingleJVMRemoteCommitProvider", |
| "jms", "org.apache.openjpa.event.JMSRemoteCommitProvider", |
| "tcp", "org.apache.openjpa.event.TCPRemoteCommitProvider", |
| }; |
| |
| private Options _opts = null; |
| private Boolean _transmitPersIds = null; |
| |
| public RemoteCommitProviderValue() { |
| super("RemoteCommitProvider", true); |
| setAliases(ALIASES); |
| } |
| |
| @Override |
| public void setProperties(String props) { |
| super.setProperties(props); |
| _opts = null; |
| _transmitPersIds = null; |
| } |
| |
| @Override |
| public void setString(String str) { |
| super.setString(str); |
| _opts = null; |
| _transmitPersIds = null; |
| } |
| |
| /** |
| * The cached provider. |
| */ |
| public RemoteCommitProvider getProvider() { |
| return (RemoteCommitProvider) get(); |
| } |
| |
| /** |
| * The cached provider. |
| */ |
| public void setProvider(RemoteCommitProvider provider) { |
| set(provider); |
| } |
| |
| /** |
| * Whether to transmit persisted object ids in remote commit events. |
| */ |
| public boolean getTransmitPersistedObjectIds() { |
| return Boolean.TRUE.equals(_transmitPersIds); |
| } |
| |
| /** |
| * The cached decorators. |
| */ |
| public void setTransmitPersistedObjectIds(boolean transmit) { |
| _transmitPersIds = (transmit) ? Boolean.TRUE : Boolean.FALSE; |
| } |
| |
| /** |
| * Instantiate the provider. |
| */ |
| public RemoteCommitProvider instantiateProvider(Configuration conf) { |
| return instantiateProvider(conf, true); |
| } |
| |
| /** |
| * Instantiate the provider. |
| */ |
| public RemoteCommitProvider instantiateProvider(Configuration conf, |
| boolean fatal) { |
| return (RemoteCommitProvider) instantiate(RemoteCommitProvider.class, |
| conf, fatal); |
| } |
| |
| /** |
| * Configure the remote event manager. |
| */ |
| public void configureEventManager(RemoteCommitEventManager mgr) { |
| parseOptions(); |
| if (_transmitPersIds != null) |
| mgr.setTransmitPersistedObjectIds(_transmitPersIds); |
| } |
| |
| /** |
| * Override to keep decorators out of transport configuration. |
| */ |
| @Override |
| public Object instantiate(Class type, Configuration conf, boolean fatal) { |
| Object obj = newInstance(getClassName(), type, conf, fatal); |
| parseOptions(); |
| Configurations.configureInstance(obj, conf, _opts, getProperty()); |
| set(obj, true); |
| return obj; |
| } |
| |
| private void parseOptions() { |
| if (_opts != null) |
| return; |
| |
| _opts = Configurations.parseProperties(getProperties()); |
| String transmit = StringUtil.trimToNull(_opts.removeProperty |
| ("transmitPersistedObjectIds", "TransmitPersistedObjectIds", null)); |
| if (transmit != null) |
| _transmitPersIds = Boolean.valueOf (transmit); |
| } |
| } |