[1150] | 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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| 15 | package de.ugoe.cs.autoquest.usability.util;
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| 16 |
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| 17 | import java.util.List;
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| 18 |
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| 19 | import com.google.common.collect.Iterables;
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| 20 |
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[1152] | 21 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
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| 22 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskModel;
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[1164] | 23 | import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession;
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[1152] | 24 | import de.ugoe.cs.autoquest.tasktrees.treeimpl.TaskFactory;
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[1150] | 25 |
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| 26 | /**
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| 27 | * <p>
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| 28 | * TODO comment
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| 29 | * </p>
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| 30 | *
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| 31 | * @author Alexander Deicke
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| 32 | */
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| 33 | public class PatternsVisitorUtil {
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| 34 |
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| 35 | private PatternsVisitorUtil() {
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| 36 | // no instantiation
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| 37 | }
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| 38 |
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| 39 | /**
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| 40 | * <p>
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| 41 | * TODO: comment
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| 42 | * </p>
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| 43 | *
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| 44 | * @param taskTreeNode
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| 45 | * @return
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| 46 | */
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[1164] | 47 | public static ITaskModel createTaskModelFromUserSessions(List<IUserSession> userSessions) {
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| 48 | return new TaskFactory().createTaskModel(userSessions);
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[1150] | 49 | }
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| 50 |
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| 51 | /**
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| 52 | * <p>
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| 53 | * TODO: comment
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| 54 | * </p>
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| 55 | *
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| 56 | * @param taskTreeNodes
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| 57 | * @return
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| 58 | */
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[1152] | 59 | public static ITask firstNodeOf(List<ITask> tasks) {
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[1164] | 60 | return Iterables.getFirst(tasks, new NullTask());
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[1150] | 61 | }
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| 62 |
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| 63 | /**
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| 64 | * <p>
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| 65 | * TODO: comment
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| 66 | * </p>
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| 67 | *
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| 68 | * @param taskTreeNodes
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| 69 | * @return
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| 70 | */
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[1152] | 71 | public static ITask lastNodeOf(List<ITask> tasks) {
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[1164] | 72 | return Iterables.getLast(tasks, new NullTask());
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[1150] | 73 | }
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| 74 |
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| 75 | }
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