[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.Collections;
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| 18 | import java.util.List;
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| 19 |
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| 20 | import org.apache.commons.lang.StringUtils;
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| 21 |
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[1152] | 22 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
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[1150] | 23 |
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| 24 | /**
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| 25 | * <p>
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| 26 | * TODO comment
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| 27 | * </p>
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| 28 | *
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| 29 | * @author Alexander Deicke
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| 30 | */
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[1152] | 31 | public class NullNode implements ITask {
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[1150] | 32 |
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| 33 | /* (non-Javadoc)
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| 34 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#getName()
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| 35 | */
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| 36 | public String getName() {
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| 37 | return StringUtils.EMPTY;
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| 38 | }
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| 39 |
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| 40 | /* (non-Javadoc)
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| 41 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#getDescription()
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| 42 | */
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| 43 | public String getDescription() {
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| 44 | return StringUtils.EMPTY;
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| 45 | }
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| 46 |
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| 47 | /* (non-Javadoc)
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| 48 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#equals(de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode)
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| 49 | */
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[1152] | 50 | public boolean equals(ITask task) {
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[1150] | 51 | return false;
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| 52 | }
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| 53 |
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| 54 | /* (non-Javadoc)
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| 55 | * @see java.lang.Object#clone()
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| 56 | */
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| 57 | @Override
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| 58 | public NullNode clone() {
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| 59 | return (NullNode) this;
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| 60 | }
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| 61 |
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| 62 | /* (non-Javadoc)
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| 63 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskTreeNode#accept(de.ugoe.cs.autoquest.tasktrees.treeifc.NodeVisitor)
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| 64 | */
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| 65 | public void accept(NodeVisitor visitor) {
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| 66 |
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| 67 | }
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| 68 |
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| 69 | }
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| 70 |
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