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 org.simantics.db.common.primitiverequest;
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14 import org.simantics.db.AsyncReadGraph;
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15 import org.simantics.db.Resource;
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16 import org.simantics.db.procedure.AsyncProcedure;
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17 import org.simantics.db.request.AsyncRead;
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19 final public class PossibleUniqueAdapter<T> implements AsyncRead<T> {
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21 final private Resource resource;
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22 final private Class<T> clazz;
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25 public int hashCode() {
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26 return resource.hashCode() + 31 * clazz.hashCode();
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30 public boolean equals(Object object) {
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33 else if (object == null)
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35 else if (getClass() != object.getClass())
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37 PossibleUniqueAdapter<?> r = (PossibleUniqueAdapter<?>)object;
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38 return resource.equals(r.resource) && clazz.equals(r.clazz);
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42 public int threadHash() {
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47 public int getFlags() {
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51 public PossibleUniqueAdapter(Resource resource, Class<T> clazz) {
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52 this.resource = resource;
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57 public void perform(AsyncReadGraph graph, AsyncProcedure<T> procedure) {
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59 graph.forPossibleUniqueAdapted(resource, clazz, procedure);
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