1 /*******************************************************************************
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2 * Copyright (c) 2010 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.impl;
14 import java.lang.reflect.Array;
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15 import java.util.IdentityHashMap;
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16 import java.util.Iterator;
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17 import java.util.Set;
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19 import org.simantics.databoard.binding.ArrayBinding;
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20 import org.simantics.databoard.binding.Binding;
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21 import org.simantics.databoard.binding.IntegerBinding;
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22 import org.simantics.databoard.binding.error.BindingException;
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23 import org.simantics.databoard.binding.error.UnsupportedOperationException;
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24 import org.simantics.databoard.type.ArrayType;
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25 import org.simantics.databoard.type.IntegerType;
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26 import org.simantics.databoard.type.NumberType;
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27 import org.simantics.databoard.util.IdentityPair;
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30 * Binds Integer[] Type to int[] Class.
32 public final class IntArrayBinding extends ArrayBinding {
34 public static IntArrayBinding createFrom(ArrayType type) {
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35 return new IntArrayBinding(type, new IntegerBindingDefault((IntegerType) type.componentType));
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38 public IntArrayBinding(ArrayType type, Binding componentBinding) {
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39 super(type, componentBinding);
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43 public Object create() {
48 public Object create(int length, Iterator<Object> values) {
49 int[] array = new int[length];
50 for(int i=0;i<length;++i)
51 array[i] = (Integer)values.next();
55 public Object create(Object[] values) {
56 int[] result = new int[values.length];
57 for (int i=0; i<values.length; i++)
58 result[i] = (Integer) values[i];
63 * Create an array object.
64 * Note! The argument is consumed (is used in the result).
67 * @return an object that contains the array
69 public Object create(int[] array) {
74 public Object createDefault()
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75 throws BindingException
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77 NumberType nt = (NumberType) type().componentType;
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78 if (nt.getRange() == null) {
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79 return new int[ type().minLength() ];
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81 return super.createDefault();
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86 public void readFrom(Binding srcBinding, Object src, Object dst)
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87 throws BindingException {
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89 ArrayBinding sb = (ArrayBinding) srcBinding;
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90 // Src Component Binding
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91 IntegerBinding scb = (IntegerBinding) sb.getComponentBinding();
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93 int[] d = (int[]) dst;
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94 if (d.length != sb.size(src)) throw new BindingException("int[] is length immutable");
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96 for (int i=0; i<d.length; i++) {
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97 d[i] = scb.getValue_( sb.get(src, i) );
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103 public Object readFromTry(Binding srcBinding, Object src, Object dst)
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104 throws BindingException {
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106 ArrayBinding sb = (ArrayBinding) srcBinding;
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107 // Src Component Binding
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108 IntegerBinding scb = (IntegerBinding) sb.getComponentBinding();
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110 int[] d = (int[]) dst;
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111 int srcSize = sb.size(src);
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112 if (d.length != srcSize) d = new int[ srcSize ];
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114 for (int i=0; i<d.length; i++) {
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115 d[i] = scb.getValue_( sb.get(src, i) );
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121 public Object get(Object array, int index) throws BindingException {
122 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", int[] expected");
123 return ((int[])array)[index];
127 public void getAll(Object array, Object[] result) throws BindingException {
128 int[] a = (int[])array;
129 for (int i=0; i<a.length; i++)
134 public void set(Object array, int index, Object value)
135 throws BindingException {
136 int[] a = (int[])array;
137 a[index] = (Integer) value;
141 public int size(Object array) throws BindingException {
142 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", int[] expected");
143 return ((int[])array).length;
147 public boolean isInstance(Object obj) {
148 return obj instanceof int[];
152 public boolean isImmutable() {
156 public int[] getArray(Object array) throws BindingException {
157 if (!isInstance(array)) throw new BindingException("Unexpected class "+array.getClass().getSimpleName()+", int[] expected");
158 return (int[]) array;
162 public int deepHashValue(Object value, IdentityHashMap<Object, Object> hashedObjects) throws BindingException {
164 int[] array = (int[]) value;
165 for (int i=0; i<array.length; i++) {
166 result = 31*result + array[i];
172 public int deepCompare(Object o1, Object o2,
173 Set<IdentityPair<Object, Object>> compareHistory)
174 throws BindingException {
175 int[] i1 = (int[]) o1;
176 int[] i2 = (int[]) o2;
181 if (dif!=0) return dif;
183 for (int i=0; i<l1; i++) {
186 dif = (v1<v2 ? -1 : (v1==v2 ? 0 : 1));
187 if (dif!=0) return dif;
193 public void add(Object array, int index, Object element)
194 throws BindingException, IndexOutOfBoundsException {
195 throw new UnsupportedOperationException();
199 public void remove(Object array, int index, int count) throws BindingException {
200 throw new UnsupportedOperationException();
204 public void setSize(Object array, int newSize) throws BindingException {
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205 int oldSize = Array.getLength(array);
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206 if (oldSize==newSize) return;
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207 throw new BindingException("int[] is length immutable");
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211 public boolean isResizable() {
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