// Copyright 2012 Georg-August-Universität Göttingen, Germany // // Licensed 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 de.ugoe.cs.autoquest.tasktrees.manager; import de.ugoe.cs.autoquest.tasktrees.temporalrelation.TemporalRelationshipRuleManager; import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskBuilder; import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskFactory; import de.ugoe.cs.autoquest.tasktrees.treeimpl.TaskBuilder; import de.ugoe.cs.autoquest.tasktrees.treeimpl.TaskFactory; /** *
* The component manager is the central reference for the distinct submodules * required for task tree generation. Such include the temporal relationship * rule manager, the task equality rule manager, the default task builder, as * well as the default task factory. *
* * @version 1.0 * @author pharms */ public class ComponentManager { /** ** clears the singleton instance. Needed for test purposes to ensure * statelessness between tests. *
*/ public static synchronized void clearInstance() { instance = null; } /** ** returns the default task builder *
* * @return as described */ public static ITaskBuilder getDefaultTaskBuilder() { return getInstance().taskBuilder; } /** ** returns the default task factory *
* * @return as described */ public static ITaskFactory getDefaultTaskFactory() { return getInstance().taskFactory; } /** ** returns the singleton instance of this class *
* * @return as described */ private static synchronized ComponentManager getInstance() { if (instance == null) { instance = new ComponentManager(); instance.init(); } return instance; } /** ** returns the default temporal relationship rule manager *
* * @return as described */ public static TemporalRelationshipRuleManager getTemporalRelationshipRuleManager() { return getInstance().temporalRelationshipRuleManager; } /** ** singleton instance of this class *
*/ private static ComponentManager instance; /** ** the default temporal relationship rule manager *
*/ private TemporalRelationshipRuleManager temporalRelationshipRuleManager; /** ** the default task builder *
*/ private ITaskBuilder taskBuilder; /** ** the default task factory *
*/ private ITaskFactory taskFactory; /** ** initialized the component manager with all it default components which * are the temporal relationship rule manager, the task equality rule * manager, the default task builder, as well as the default task factory. *
*/ private void init() { taskBuilder = new TaskBuilder(); taskFactory = new TaskFactory(); temporalRelationshipRuleManager = new TemporalRelationshipRuleManager( taskFactory, taskBuilder); temporalRelationshipRuleManager.init(); } }