[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 de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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[1157] | 18 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskVisitor; |
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[439] | 19 |
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| 20 | /**
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| 21 | * TODO comment
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[557] | 22 | *
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[439] | 23 | * @version $Revision: $ $Date: $
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[557] | 24 | * @author 2011, last modified by $Author: $
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[439] | 25 | */
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[1146] | 26 | class Task implements ITask {
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| 27 | |
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| 28 | /** */ |
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| 29 | private static final long serialVersionUID = 1L; |
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| 30 | |
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[557] | 31 | /** */
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| 32 | private static int temporalId = 0;
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[439] | 33 |
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[557] | 34 | /** */
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[1146] | 35 | private int id;
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[439] | 36 |
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[557] | 37 | /** */
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| 38 | private String description;
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[439] | 39 |
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[557] | 40 | /**
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| 41 | *
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| 42 | */
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[1146] | 43 | Task() {
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[557] | 44 | id = getNewId();
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[439] | 45 | }
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| 46 |
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[557] | 47 | /**
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| 48 | * TODO: comment
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| 49 | *
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| 50 | * @return
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| 51 | */
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| 52 | private static synchronized int getNewId() {
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| 53 | if (temporalId == Integer.MAX_VALUE) {
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| 54 | temporalId = 0;
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| 55 | }
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[439] | 56 |
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[557] | 57 | return temporalId++;
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| 58 | }
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[439] | 59 |
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[557] | 60 | /**
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| 61 | * @return Returns the name.
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| 62 | */
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[1146] | 63 | public int getId() {
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| 64 | return id;
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[439] | 65 | }
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[557] | 66 |
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| 67 | /*
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| 68 | * (non-Javadoc)
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| 69 | *
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| 70 | * @see de.ugoe.cs.tasktree.treeifc.TaskTreeNode#getDescription()
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| 71 | */
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| 72 | @Override
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| 73 | public String getDescription() {
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| 74 | return description;
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[439] | 75 | }
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[557] | 76 |
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| 77 | /*
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| 78 | * (non-Javadoc)
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| 79 | *
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[922] | 80 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.TaskTreeNode#equals(TaskTreeNode)
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[557] | 81 | */
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| 82 | @Override
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[1146] | 83 | public final boolean equals(ITask task) { |
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| 84 | // tasks are only equal if they are identical or if they have the same id |
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| 85 | // (may happen, if they are cloned)
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| 86 | return (this == task) || (this.hashCode() == task.hashCode());
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[439] | 87 | }
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[557] | 88 |
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| 89 | /*
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| 90 | * (non-Javadoc)
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| 91 | *
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| 92 | * @see java.lang.Object#hashCode()
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| 93 | */
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| 94 | @Override
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| 95 | public synchronized int hashCode() {
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[1146] | 96 | return id;
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[439] | 97 | }
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[557] | 98 |
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| 99 | /*
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| 100 | * (non-Javadoc)
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| 101 | *
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| 102 | * @see java.lang.Object#toString()
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| 103 | */
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| 104 | @Override
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[1126] | 105 | public synchronized String toString() { |
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| 106 | StringBuffer result = new StringBuffer(); |
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[1146] | 107 | result.append("task "); |
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[1126] | 108 | result.append(id); |
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| 109 | |
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| 110 | if (description != null) { |
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[1146] | 111 | result.append(" ("); |
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[1126] | 112 | result.append(description); |
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[1146] | 113 | result.append(')'); |
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[1126] | 114 | } |
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| 115 | |
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| 116 | return result.toString();
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[439] | 117 | }
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| 118 |
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[557] | 119 | /*
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| 120 | * (non-Javadoc)
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| 121 | *
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| 122 | * @see java.lang.Object#clone()
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| 123 | */
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| 124 | @Override
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[1146] | 125 | public synchronized ITask clone() {
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| 126 | Task clone = null;
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[557] | 127 | try {
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[1146] | 128 | clone = (Task) super.clone();
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[470] | 129 | }
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[557] | 130 | catch (CloneNotSupportedException e) {
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| 131 | // this should never happen. Therefore simply dump the exception
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| 132 | e.printStackTrace();
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| 133 | }
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| 134 |
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| 135 | return clone;
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[467] | 136 | }
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[439] | 137 |
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[1146] | 138 | /** |
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| 139 | * TODO: comment |
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| 140 | * |
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| 141 | * @param i |
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| 142 | * @return |
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| 143 | */ |
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| 144 | void setDescription(String description) { |
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| 145 | this.description = description; |
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| 146 | } |
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| 147 | |
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[1157] | 148 | /* (non-Javadoc) |
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| 149 | * @see de.ugoe.cs.autoquest.tasktrees.treeifc.ITask#accept(de.ugoe.cs.autoquest.tasktrees.treeifc.TaskVisitor) |
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| 150 | */ |
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| 151 | @Override |
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| 152 | public void accept(ITaskVisitor visitor) { |
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| 153 | visitor.visit(this); |
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| 154 | } |
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| 155 | |
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[439] | 156 | }
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