1 package org.simantics.objmap.structural;
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3 import java.util.ArrayList;
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4 import java.util.List;
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6 import org.simantics.db.ReadGraph;
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7 import org.simantics.db.Resource;
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8 import org.simantics.db.exception.DatabaseException;
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9 import org.simantics.layer0.Layer0;
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12 * An object representing structural Resource.
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15 * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
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18 public class StructuralResource {
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20 private Resource resource;
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21 private List<Resource> context = new ArrayList<Resource>(1);
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23 private Resource typeResource = null;
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25 public StructuralResource(Resource resource) {
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26 assert(resource != null);
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27 this.resource = resource;
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29 public StructuralResource(ReadGraph g, Resource resource, Resource context) throws DatabaseException {
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30 assert(resource != null);
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31 this.resource = resource;
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32 this.context.add(context);
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36 public StructuralResource(ReadGraph g, Resource resource, Resource... context) throws DatabaseException {
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37 assert(resource != null);
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38 this.resource = resource;
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39 for (Resource r : context)
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40 this.context.add(r);
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44 public StructuralResource(ReadGraph g, Resource resource, List<Resource> context) throws DatabaseException {
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45 assert(resource != null);
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46 this.resource = resource;
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47 for (Resource r : context)
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48 this.context.add(r);
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51 public StructuralResource(ReadGraph g, Resource resource, List<Resource> context, Resource context2) throws DatabaseException {
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52 assert(resource != null);
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53 this.resource = resource;
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54 for (Resource r : context)
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55 this.context.add(r);
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56 this.context.add(context2);
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60 private void resolveType(ReadGraph g) throws DatabaseException {
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61 if (this.context.contains(resource)) {
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62 Layer0 l0 = Layer0.getInstance(g);
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63 typeResource = g.getSingleObject(resource, l0.InstanceOf);
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69 * The Resource in the DB.
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72 public Resource getResource() {
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77 * Context in which this resource is accessed. Each context resource represents a structural model instance.
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80 public List<Resource> getContext() {
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85 * If the resource is structural model instance, this returns the type Resource. Otherwise returns null.
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88 public Resource getTypeResource() {
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89 return typeResource;
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93 * Returns true, if the resource is structural,
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96 public boolean isStructural() {
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97 return context.size() > 0;
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101 * Returns true is the Resource is root of Structural Model instance.
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102 * In this case the resource instance is editable.
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106 public boolean isStructuralRoot() {
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107 return (context.size() == 1 && context.get(0).equals(resource));
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111 * Returns true, the resource is structural model instance.
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114 public boolean isStructuralInstance() {
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115 return typeResource != null;
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119 public int hashCode() {
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120 int hashCode = resource.hashCode();
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121 for (Resource ctx : context)
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122 hashCode += ctx.hashCode();
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127 public boolean equals(Object obj) {
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132 if (obj.getClass() != getClass())
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134 StructuralResource other = (StructuralResource)obj;
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135 if (!resource.equals(other.resource))
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137 if (context.size() != other.context.size())
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139 for (int i = 0; i < context.size(); i++) {
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140 if (!context.get(i).equals(other.context.get(i)))
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147 public String toString() {
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148 String s = "Res: " + resource + " Context:";
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149 for (Resource ctx : context)
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151 if (typeResource != null)
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152 s+= " Type: " + typeResource;
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