[1285] | 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.tasktrees.temporalrelation; |
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| 16 | |
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| 17 | import java.util.Collection; |
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| 18 | import java.util.HashMap; |
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| 19 | import java.util.Map; |
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| 20 | |
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| 21 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask; |
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| 22 | import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance; |
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| 23 | import de.ugoe.cs.autoquest.usageprofiles.SymbolMap; |
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| 24 | |
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| 25 | /** |
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| 26 | * <p> |
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[1401] | 27 | * symbol map implementation for task instances considering two task instances as equal if their |
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| 28 | * tasks are identical |
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[1285] | 29 | * </p> |
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| 30 | * |
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| 31 | * @author Patrick Harms |
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| 32 | */ |
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| 33 | public class TaskSymbolIdentityMap<V> implements SymbolMap<ITaskInstance, V> { |
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| 34 | |
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| 35 | /** */ |
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| 36 | private static final long serialVersionUID = 1L; |
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| 37 | |
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| 38 | /** |
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[1401] | 39 | * <p> |
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| 40 | * internally used map for implementing the symbol map interface |
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| 41 | * </p> |
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[1285] | 42 | */ |
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| 43 | private Map<ITask, V> delegate; |
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| 44 | |
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| 45 | /** |
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[1401] | 46 | * <p> |
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| 47 | * mapping between the tasks and the real symbols stored in the map, i.e. the task instances |
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| 48 | * </p> |
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[1285] | 49 | */ |
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| 50 | private Map<ITask, ITaskInstance> symbols; |
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| 51 | |
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| 52 | /** |
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| 53 | * <p> |
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[1401] | 54 | * initializes this map |
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[1285] | 55 | * </p> |
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| 56 | */ |
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| 57 | public TaskSymbolIdentityMap() { |
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| 58 | delegate = new HashMap<ITask, V>(); |
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| 59 | symbols = new HashMap<ITask, ITaskInstance>(); |
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| 60 | } |
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| 61 | |
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| 62 | /** |
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| 63 | * <p> |
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[1401] | 64 | * copy constructor |
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[1285] | 65 | * </p> |
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| 66 | * |
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[1401] | 67 | * @param other the map to be copied |
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[1285] | 68 | */ |
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| 69 | public TaskSymbolIdentityMap(SymbolMap<ITaskInstance, V> other) { |
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| 70 | if (other == null) { |
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| 71 | throw new IllegalArgumentException("other map must not be null"); |
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| 72 | } |
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| 73 | |
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| 74 | delegate = new HashMap<ITask, V>(); |
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| 75 | symbols = new HashMap<ITask, ITaskInstance>(); |
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| 76 | |
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| 77 | for (ITaskInstance symbol : other.getSymbols()) { |
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| 78 | delegate.put(symbol.getTask(), other.getValue(symbol)); |
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| 79 | symbols.put(symbol.getTask(), symbol); |
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| 80 | } |
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| 81 | } |
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| 82 | |
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| 83 | /* (non-Javadoc) |
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| 84 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#size() |
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| 85 | */ |
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| 86 | @Override |
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| 87 | public int size() { |
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| 88 | return delegate.size(); |
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| 89 | } |
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| 90 | |
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| 91 | /* (non-Javadoc) |
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| 92 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#isEmpty() |
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| 93 | */ |
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| 94 | @Override |
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| 95 | public boolean isEmpty() { |
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| 96 | return delegate.isEmpty(); |
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| 97 | } |
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| 98 | |
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| 99 | /* (non-Javadoc) |
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| 100 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#containsSymbol(java.lang.Object) |
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| 101 | */ |
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| 102 | @Override |
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| 103 | public boolean containsSymbol(ITaskInstance symbol) { |
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| 104 | if (symbol == null) { |
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| 105 | throw new IllegalArgumentException("symbol must not be null"); |
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| 106 | } |
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| 107 | |
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| 108 | return delegate.containsKey(symbol.getTask()); |
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| 109 | } |
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| 110 | |
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| 111 | /* (non-Javadoc) |
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| 112 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#getValue(java.lang.Object) |
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| 113 | */ |
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| 114 | @Override |
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| 115 | public V getValue(ITaskInstance symbol) { |
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| 116 | if (symbol == null) { |
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| 117 | throw new IllegalArgumentException("symbol must not be null"); |
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| 118 | } |
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| 119 | |
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| 120 | return delegate.get(symbol.getTask()); |
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| 121 | } |
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| 122 | |
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| 123 | /* (non-Javadoc) |
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| 124 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#addSymbol(java.lang.Object, java.lang.Object) |
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| 125 | */ |
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| 126 | @Override |
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| 127 | public void addSymbol(ITaskInstance symbol, V value) { |
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| 128 | if (symbol == null) { |
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| 129 | throw new IllegalArgumentException("symbol must not be null"); |
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| 130 | } |
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| 131 | |
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| 132 | delegate.put(symbol.getTask(), value); |
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| 133 | symbols.put(symbol.getTask(), symbol); |
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| 134 | } |
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| 135 | |
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| 136 | /* (non-Javadoc) |
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| 137 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#removeSymbol(java.lang.Object) |
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| 138 | */ |
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| 139 | @Override |
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| 140 | public V removeSymbol(ITaskInstance symbol) { |
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| 141 | if (symbol == null) { |
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| 142 | throw new IllegalArgumentException("symbol must not be null"); |
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| 143 | } |
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| 144 | |
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| 145 | symbols.remove(symbol.getTask()); |
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| 146 | return delegate.remove(symbol.getTask()); |
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| 147 | } |
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| 148 | |
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| 149 | /* (non-Javadoc) |
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| 150 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#getSymbols() |
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| 151 | */ |
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| 152 | @Override |
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| 153 | public Collection<ITaskInstance> getSymbols() { |
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| 154 | return symbols.values(); |
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| 155 | } |
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| 156 | |
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| 157 | /* (non-Javadoc) |
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| 158 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#getValues() |
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| 159 | */ |
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| 160 | @Override |
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| 161 | public Collection<V> getValues() { |
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| 162 | return delegate.values(); |
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| 163 | } |
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| 164 | |
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| 165 | /* (non-Javadoc) |
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| 166 | * @see de.ugoe.cs.autoquest.usageprofiles.SymbolMap#clear() |
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| 167 | */ |
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| 168 | @Override |
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| 169 | public void clear() { |
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| 170 | delegate.clear(); |
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| 171 | } |
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| 172 | |
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| 173 | /* (non-Javadoc) |
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| 174 | * @see java.lang.Object#hashCode() |
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| 175 | */ |
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| 176 | @Override |
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| 177 | public int hashCode() { |
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| 178 | return delegate.hashCode(); |
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| 179 | } |
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| 180 | |
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| 181 | /* (non-Javadoc) |
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| 182 | * @see java.lang.Object#equals(java.lang.Object) |
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| 183 | */ |
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| 184 | @SuppressWarnings("unchecked") |
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| 185 | @Override |
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| 186 | public boolean equals(Object obj) { |
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| 187 | if (this == obj) { |
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| 188 | return true; |
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| 189 | } |
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| 190 | else if (this.getClass().isInstance(obj)) { |
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| 191 | return delegate.equals(((TaskSymbolIdentityMap<V>) obj).delegate); |
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| 192 | } |
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| 193 | else { |
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| 194 | return false; |
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| 195 | } |
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| 196 | } |
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| 197 | |
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| 198 | } |
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