[1113] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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[922] | 15 | package de.ugoe.cs.autoquest.tasktrees.manager;
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[439] | 16 |
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[727] | 17 | import java.util.Collection;
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[1109] | 18 | import java.util.LinkedList;
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[727] | 19 | import java.util.List;
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[725] | 20 | import java.util.logging.Level;
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[439] | 21 |
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[922] | 22 | import de.ugoe.cs.autoquest.eventcore.Event;
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[1146] | 23 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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| 24 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel;
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| 25 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskBuilder;
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| 26 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskFactory;
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| 27 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession; |
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[725] | 28 | import de.ugoe.cs.util.console.Console;
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[439] | 29 |
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| 30 | /**
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| 31 | * TODO comment
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[557] | 32 | *
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[439] | 33 | * @version $Revision: $ $Date: $
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[557] | 34 | * @author 2011, last modified by $Author: $
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[439] | 35 | */
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[557] | 36 | public class TaskTreeManager {
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| 37 |
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| 38 | /** */
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[1146] | 39 | private ITaskBuilder taskBuilder = ComponentManager.getDefaultTaskBuilder();
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[439] | 40 |
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[557] | 41 | /** */
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[1146] | 42 | private ITaskFactory taskFactory = ComponentManager.getDefaultTaskFactory();
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[557] | 43 |
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| 44 | /** */
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[1146] | 45 | private List<IUserSession> sessions = null;
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[557] | 46 |
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| 47 | /** */
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[1146] | 48 | private IUserSession currentSession = null;
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[557] | 49 |
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| 50 | /**
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[1109] | 51 | *
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[557] | 52 | */
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| 53 | public TaskTreeManager() {
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[1146] | 54 | sessions = new LinkedList<IUserSession>();
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[439] | 55 | }
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[557] | 56 |
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| 57 | /**
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| 58 | *
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| 59 | */
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[1146] | 60 | public synchronized ITaskModel createTaskModel(Collection<List<Event>> newSessions) {
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[1109] | 61 | if ((currentSession != null) || (sessions.size() > 0)) {
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| 62 | throw new IllegalStateException("do not mix calls to this method with calls to the " +
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| 63 | "other methods for handling tasks. Use only one " +
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| 64 | "variant instead.");
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| 65 | }
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[727] | 66 |
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[1109] | 67 | for (List<Event> newSession : newSessions) {
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| 68 | if (newSession.size() > 0) {
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| 69 | for (Event event : newSession) {
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| 70 | handleNewEvent(event);
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| 71 | }
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| 72 | finishSession();
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[727] | 73 | }
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| 74 | }
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| 75 |
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[1146] | 76 | return getTaskModel();
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[727] | 77 | }
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| 78 |
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| 79 | /**
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| 80 | *
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| 81 | */
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[557] | 82 | public void handleNewEvent(Event event) {
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[1146] | 83 | assertSessionSequence(); |
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| 84 | ITask eventTask = taskFactory.createNewEventTask(event.getType(), event.getTarget());
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| 85 | taskBuilder.addExecutedTask(currentSession, taskFactory.createNewTaskInstance(eventTask));
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[439] | 86 | }
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| 87 |
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[557] | 88 | /**
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[1109] | 89 | *
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[557] | 90 | */
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[1109] | 91 | public void finishSession() {
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[1146] | 92 | if ((currentSession != null) && (currentSession.getExecutedTasks().size() > 0)) {
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[1109] | 93 | sessions.add(currentSession);
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| 94 | currentSession = null;
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| 95 | }
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[439] | 96 | }
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[557] | 97 |
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| 98 | /**
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[1109] | 99 | *
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[557] | 100 | */
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[1146] | 101 | public synchronized ITaskModel getTaskModel() {
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[1109] | 102 | finishSession();
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| 103 |
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| 104 | Console.traceln(Level.INFO, "applying temporal relationship generation rules");
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| 105 |
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[1146] | 106 | ComponentManager.getTemporalRelationshipRuleManager().applyRules(sessions);
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[1109] | 107 |
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[1146] | 108 | return taskFactory.createTaskModel(sessions);
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[439] | 109 | }
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[557] | 110 |
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| 111 | /**
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| 112 | *
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| 113 | */
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[1109] | 114 | private void assertSessionSequence() {
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| 115 | if (currentSession == null) {
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[1146] | 116 | currentSession = taskFactory.createUserSession();
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[557] | 117 | }
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[439] | 118 | }
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| 119 |
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| 120 | }
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