[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.treeimpl; |
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[439] | 16 | |
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[1146] | 17 | import java.util.Collection; |
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| 18 | import java.util.Collections; |
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[439] | 19 | import java.util.HashMap; |
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[1146] | 20 | import java.util.List; |
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[439] | 21 | import java.util.Map; |
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| 22 | |
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[1146] | 23 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IMarkingTemporalRelationship; |
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| 24 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IStructuringTemporalRelationship; |
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| 25 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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| 26 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; |
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| 27 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel; |
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| 28 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInfo; |
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| 29 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession; |
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[439] | 30 | |
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| 31 | /** |
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[1216] | 32 | * <p> |
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| 33 | * this is the default implementation of the interface {@link ITaskModel}. It |
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| 34 | * does not do anything fancy except implementing the interface. |
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| 35 | * </p> |
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[439] | 36 | * |
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[1216] | 37 | * @author Patrick Harms |
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[439] | 38 | */ |
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[1146] | 39 | class TaskModel implements ITaskModel { |
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[557] | 40 | |
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[1216] | 41 | /** |
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| 42 | * <p> |
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| 43 | * default serial version UID |
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| 44 | * </p> |
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| 45 | */ |
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[1146] | 46 | private static final long serialVersionUID = 1L; |
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[439] | 47 | |
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[1216] | 48 | /** |
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| 49 | * <p> |
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| 50 | * the user sessions belonging to the model |
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| 51 | * </p> |
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| 52 | */ |
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[1146] | 53 | private List<IUserSession> userSessions; |
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[439] | 54 | |
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[1216] | 55 | /** |
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| 56 | * <p> |
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| 57 | * the tasks contained in the user session belonging to the model as well as statistical infos |
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| 58 | * about them |
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| 59 | * </p> |
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| 60 | */ |
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[1146] | 61 | private Map<ITask, TaskInfo> taskMap = new HashMap<ITask, TaskInfo>(); |
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| 62 | |
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[557] | 63 | /** |
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[1216] | 64 | * <p> |
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| 65 | * initializes the task model with the user sessions out of which the tasks are extracted |
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| 66 | * </p> |
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| 67 | * |
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| 68 | * @param userSessions as described |
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[557] | 69 | */ |
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[1146] | 70 | TaskModel(List<IUserSession> userSessions) { |
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| 71 | if ((userSessions == null) || (userSessions.size() == 0)) { |
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| 72 | throw new IllegalArgumentException("user sessions must not be null"); |
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| 73 | } |
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| 74 | |
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| 75 | this.userSessions = userSessions; |
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| 76 | |
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| 77 | for (IUserSession session : this.userSessions) { |
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| 78 | for (ITaskInstance taskInstance : session) { |
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| 79 | addTaskToMap(taskInstance.getTask()); |
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| 80 | } |
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| 81 | } |
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[439] | 82 | } |
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| 83 | |
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[1146] | 84 | |
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| 85 | /* (non-Javadoc) |
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| 86 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel#getUserSessions() |
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[557] | 87 | */ |
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| 88 | @Override |
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[1146] | 89 | public List<IUserSession> getUserSessions() { |
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| 90 | return Collections.unmodifiableList(userSessions); |
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[439] | 91 | } |
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[557] | 92 | |
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[1146] | 93 | |
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| 94 | /* (non-Javadoc) |
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| 95 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel#getTasks() |
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[557] | 96 | */ |
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| 97 | @Override |
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[1146] | 98 | public Collection<ITask> getTasks() { |
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| 99 | return Collections.unmodifiableCollection(taskMap.keySet()); |
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[439] | 100 | } |
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[557] | 101 | |
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[1146] | 102 | |
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| 103 | /* (non-Javadoc) |
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[1216] | 104 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel#getTaskInfo(ITask) |
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[1146] | 105 | */ |
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| 106 | @Override |
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| 107 | public ITaskInfo getTaskInfo(ITask task) { |
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| 108 | return taskMap.get(task); |
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| 109 | } |
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| 110 | |
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[1216] | 111 | /* (non-Javadoc) |
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| 112 | * @see java.lang.Object#clone() |
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| 113 | */ |
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| 114 | @Override |
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| 115 | public TaskModel clone() { |
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| 116 | return new TaskModel(userSessions); |
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| 117 | } |
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| 118 | |
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[557] | 119 | /** |
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[1216] | 120 | * <p> |
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| 121 | * internal convenience method to build the task model during initialization |
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| 122 | * </p> |
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[557] | 123 | */ |
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[1146] | 124 | private void addTaskToMap(ITask task) { |
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| 125 | TaskInfo taskInfo = taskMap.get(task); |
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[557] | 126 | |
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[1146] | 127 | if (taskInfo == null) { |
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| 128 | taskInfo = new TaskInfo(task); |
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| 129 | taskMap.put(task, taskInfo); |
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[557] | 130 | } |
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| 131 | |
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[1146] | 132 | if (task instanceof IStructuringTemporalRelationship) { |
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| 133 | for (ITask child : ((IStructuringTemporalRelationship) task).getChildren()) { |
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| 134 | addTaskToMap(child); |
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| 135 | } |
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[557] | 136 | } |
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[1146] | 137 | else if (task instanceof IMarkingTemporalRelationship) { |
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| 138 | addTaskToMap(((IMarkingTemporalRelationship) task).getMarkedTask()); |
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[557] | 139 | } |
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[439] | 140 | } |
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| 141 | |
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| 142 | } |
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