1 /*******************************************************************************
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2 * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.databoard.binding.factory;
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14 import gnu.trove.map.hash.THashMap;
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15 import gnu.trove.set.hash.THashSet;
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17 import java.util.List;
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18 import java.util.Map;
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19 import java.util.Set;
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21 import org.simantics.databoard.Datatypes;
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22 import org.simantics.databoard.binding.Binding;
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23 import org.simantics.databoard.binding.error.BindingConstructionException;
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24 import org.simantics.databoard.binding.error.BindingException;
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25 import org.simantics.databoard.binding.impl.HashMapBinding;
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26 import org.simantics.databoard.binding.impl.HashSetBinding;
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27 import org.simantics.databoard.binding.reflection.BindingProvider;
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28 import org.simantics.databoard.binding.reflection.BindingRequest;
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29 import org.simantics.databoard.binding.reflection.ClassBindingFactory;
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30 import org.simantics.databoard.type.MapType;
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32 public class TroveBindingsProvider implements BindingProvider {
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35 public Binding provideBinding(ClassBindingFactory factory, BindingRequest request)
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36 throws BindingConstructionException {
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38 if ( request.getClazz().equals(THashSet.class) ) {
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39 MapType type = new MapType();
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40 type.valueType = Datatypes.VOID;
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41 return new THashSetBinding(type, null);
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44 if ( request.getClazz().equals(THashMap.class) ) {
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45 MapType type = new MapType();
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46 return new THashMapBinding(type, null, null);
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52 static class THashMapBinding extends HashMapBinding {
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54 public THashMapBinding(Binding keyBinding, Binding valueBinding) {
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55 super(keyBinding, valueBinding);
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58 public THashMapBinding(MapType mapType, Binding keyBinding,
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59 Binding valueBinding) {
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60 super(mapType, keyBinding, valueBinding);
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64 public Object create() {
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65 return new THashMap<Object, Object>();
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69 public Object create(Object[] keys, Object[] values) {
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70 if (keys.length!=values.length)
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71 throw new IllegalArgumentException("Equal length arrays expected");
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73 int len = keys.length;
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74 THashMap<Object, Object> result = new THashMap<Object, Object>(len);
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76 for (int i=0; i<len; i++) {
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77 Object key = keys[i];
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78 key = getComparableKey(result, key);
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79 Object value = values[i];
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80 result.put(key, value);
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87 public Object create(List<Object> keys, List<Object> values) {
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88 if (keys.size()!=values.size())
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89 throw new IllegalArgumentException("Equal length arrays expected");
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91 int len = keys.size();
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92 THashMap<Object, Object> result = new THashMap<Object, Object>(len);
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94 for (int i=0; i<len; i++) {
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95 Object key = keys.get(i);
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96 key = getComparableKey(result, key);
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97 Object value = values.get(i);
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98 result.put(key, value);
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105 public Object create(Map<?, ?> initialMap) throws BindingException {
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106 if (initialMap instanceof THashMap)
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109 // Replace with TreeMap. Create comparator from binding.
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110 THashMap<Object, Object> result = new THashMap<Object, Object>();
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111 putAll(result, initialMap);
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116 public boolean isInstance(Object obj) {
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117 return obj instanceof THashMap;
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122 static class THashSetBinding extends HashSetBinding {
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124 public THashSetBinding(Binding elementBinding) {
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125 super(elementBinding);
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126 // TODO Auto-generated constructor stub
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129 public THashSetBinding(MapType mapType, Binding elementBinding) {
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130 super(mapType, elementBinding);
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131 // TODO Auto-generated constructor stub
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135 public Object create() throws BindingException {
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136 return new THashSet<Object>();
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139 public Object create(Set<?> initialSet) throws BindingException {
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140 if (initialSet instanceof THashSet)
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143 return new THashSet<Object>(initialSet);
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146 @SuppressWarnings({ "unchecked", "rawtypes" })
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148 public Object create(Map initialMap) throws BindingException {
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149 return new THashSet<Object>(initialMap.keySet());
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153 public Object create(Object[] keys, Object[] values)
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154 throws BindingException {
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155 THashSet<Object> result = new THashSet<Object>(keys.length);
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156 for (int i=0; i<keys.length; i++)
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157 result.add(keys[i]);
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162 public Object create(List<Object> keys, List<Object> values) {
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163 THashSet<Object> result = new THashSet<Object>(keys.size());
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164 for (int i=0; i<keys.size(); i++)
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165 result.add(keys.get(i));
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170 public boolean isInstance(Object obj) {
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171 return obj instanceof THashSet;
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