1 /*******************************************************************************
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2 * Copyright (c) 2013 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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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 * Semantum Oy - initial API and implementation
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12 *******************************************************************************/
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13 package org.simantics.simulator.variable.impl;
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15 import java.util.ArrayList;
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16 import java.util.List;
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17 import java.util.Set;
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19 import org.simantics.databoard.Bindings;
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20 import org.simantics.databoard.binding.Binding;
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21 import org.simantics.databoard.binding.VariantBinding;
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22 import org.simantics.databoard.binding.error.BindingException;
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23 import org.simantics.databoard.binding.mutable.Variant;
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24 import org.simantics.databoard.type.Datatype;
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25 import org.simantics.simulator.variable.NodeManager;
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26 import org.simantics.simulator.variable.exceptions.NoSuchNodeException;
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27 import org.simantics.simulator.variable.exceptions.NodeManagerException;
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30 * AbstractNodeManager gives default implementations to some methods
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33 * @author Hannu Niemistö
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35 public abstract class AbstractNodeManager<Node> implements NodeManager<Node> {
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38 final static Binding NO_BINDING = new VariantBinding() {
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41 public Object getContent(Object variant, Binding contentBinding) throws BindingException {
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46 public Object getContent(Object variant) throws BindingException {
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51 public Datatype getContentType(Object variant) throws BindingException {
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56 public Binding getContentBinding(Object variant) throws BindingException {
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61 public Object create(Binding contentBinding, Object content) throws BindingException {
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66 public void setContent(Object variant, Binding contentBinding, Object content) throws BindingException {
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71 public boolean isInstance(Object obj) {
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76 public void assertInstaceIsValid(Object obj, Set<Object> validInstances) throws BindingException {
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81 public int compare(Object o1, Object o2) throws org.simantics.databoard.binding.error.RuntimeBindingException {
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86 return - System.identityHashCode(o2);
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90 return System.identityHashCode(o1);
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92 if(o1.equals(o2)) return 0;
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93 return System.identityHashCode(o1) - System.identityHashCode(o2);
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101 public List<String> getChildNames(Node node) throws NodeManagerException {
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102 List<Node> children = getChildren(node);
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103 ArrayList<String> names = new ArrayList<String>(children.size());
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104 for(Node child : children)
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105 names.add(getName(child));
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110 public List<String> getPropertyNames(Node node) throws NodeManagerException {
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111 List<Node> properties = getProperties(node);
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112 ArrayList<String> names = new ArrayList<String>(properties.size());
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113 for(Node property : properties)
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114 names.add(getName(property));
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119 public Object getValue(Node node, String propertyName, Binding binding)
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120 throws NodeManagerException, BindingException {
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121 Node property = getProperty(node, propertyName);
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122 if(property == null)
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123 throw new NoSuchNodeException("Didn't find a property " + propertyName);
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124 return getValue(property, binding);
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128 public void setValue(Node node, String propertyName, Object value,
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129 Binding binding) throws NodeManagerException, BindingException {
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130 Node property = getProperty(node, propertyName);
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131 if(property == null)
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132 throw new NoSuchNodeException("Didn't find a property " + propertyName);
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133 setValue(property, value, binding);
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137 public Variant getValue(Node node) throws NodeManagerException {
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138 Datatype datatype = getDatatype(node);
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139 Binding binding = datatype != null ? Bindings.getBinding(datatype) : NO_BINDING;
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141 Object value = getValue(node, binding);
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142 if (value instanceof Variant)
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143 return (Variant)value;
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145 return new Variant(binding, value);
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146 } catch (BindingException e) {
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147 // Shouldn't really happen
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149 return new Variant();
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154 public Variant getValue(Node node, String propertyName)
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155 throws NodeManagerException {
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156 Node property = getProperty(node, propertyName);
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157 if(property == null)
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158 throw new NoSuchNodeException("Didn't find a property " + propertyName);
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159 return getValue(property);
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163 public String getPropertyURI(Node parent, Node property) {
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