1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 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 *******************************************************************************/
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12 package fi.vtt.simantics.procore.internal;
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14 import gnu.trove.list.array.TIntArrayList;
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16 import java.util.Collection;
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17 import java.util.Iterator;
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19 import org.simantics.db.DirectStatements;
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20 import org.simantics.db.Resource;
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21 import org.simantics.db.Statement;
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22 import org.simantics.db.impl.ResourceImpl;
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23 import org.simantics.db.impl.support.ResourceSupport;
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25 final public class DirectStatementsImpl implements DirectStatements {
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27 final ResourceSupport support;
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29 final TIntArrayList statements = new TIntArrayList();
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31 DirectStatementsImpl(ResourceSupport support, int subject) {
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32 this.support = support;
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33 this.subject = subject;
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36 void addStatement(int p, int o) {
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42 public Resource getSubject() {
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43 return new ResourceImpl(support, subject);
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47 public boolean add(Statement arg0) {
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48 throw new Error("Not supported");
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52 public boolean addAll(Collection<? extends Statement> arg0) {
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53 throw new Error("Not supported");
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57 public void clear() {
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58 throw new Error("Not supported");
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62 public boolean contains(Object arg0) {
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63 Statement stm = (Statement)arg0;
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64 ResourceImpl p = (ResourceImpl)stm.getPredicate();
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65 ResourceImpl o = (ResourceImpl)stm.getObject();
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66 for(int i=0;i<statements.size();i+=2) {
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67 int pi = statements.getQuick(i);
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68 int oi = statements.getQuick(i+1);
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69 if(p.id == pi && o.id == oi) return true;
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75 public boolean containsAll(Collection<?> arg0) {
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76 throw new Error("Not supported");
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80 public boolean isEmpty() {
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81 throw new Error("Not supported");
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85 public Iterator<Statement> iterator() {
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86 return new Iterator<Statement>() {
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89 int max = statements.size();
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92 public boolean hasNext() {
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93 return index < max;
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97 public Statement next() {
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98 return new DirectStatementImpl(support, subject, statements.getQuick(index++), statements.getQuick(index++));
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102 public void remove() {
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103 throw new Error("Not supported");
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110 public boolean remove(Object arg0) {
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111 throw new Error("Not supported");
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115 public boolean removeAll(Collection<?> arg0) {
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116 throw new Error("Not supported");
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120 public boolean retainAll(Collection<?> arg0) {
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121 throw new Error("Not supported");
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125 public int size() {
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126 return statements.size() >> 1;
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130 public Object[] toArray() {
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131 throw new Error("Not supported");
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135 public <T> T[] toArray(T[] arg0) {
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136 throw new Error("Not supported");
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