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.request;
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14 import org.simantics.db.AsyncRequestProcessor;
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15 import org.simantics.db.RequestProcessor;
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16 import org.simantics.db.exception.DatabaseException;
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17 import org.simantics.db.procedure.AsyncListener;
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18 import org.simantics.db.procedure.AsyncProcedure;
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19 import org.simantics.db.procedure.Listener;
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20 import org.simantics.db.procedure.Procedure;
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21 import org.simantics.db.procedure.SyncListener;
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22 import org.simantics.db.procedure.SyncProcedure;
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23 import org.simantics.db.request.ExternalRead;
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24 import org.simantics.db.request.ReadInterface;
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26 public abstract class ParametrizedPrimitiveRead<T, R> implements ExternalRead<R>, ReadInterface<R> {
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28 final protected T parameter;
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31 public int hashCode() {
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32 return parameter.hashCode();
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36 public boolean equals(Object object) {
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39 else if (object == null)
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41 else if (getClass() != object.getClass())
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43 ParametrizedPrimitiveRead<?, ?> r = (ParametrizedPrimitiveRead<?, ?>) object;
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44 return parameter.equals(r.parameter);
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47 public ParametrizedPrimitiveRead(T parameter) {
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48 this.parameter = parameter;
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52 public void unregistered() {
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56 public void request(AsyncRequestProcessor processor, AsyncProcedure<R> procedure) {
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57 throw new UnsupportedOperationException();
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61 public void request(AsyncRequestProcessor processor, Procedure<R> procedure) {
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62 processor.asyncRequest(this, procedure);
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66 public void request(AsyncRequestProcessor processor, SyncProcedure<R> procedure) {
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67 throw new UnsupportedOperationException();
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71 public void request(AsyncRequestProcessor processor, AsyncListener<R> procedure) {
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72 throw new UnsupportedOperationException();
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76 public void request(AsyncRequestProcessor processor, Listener<R> procedure) {
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77 processor.asyncRequest(this, procedure);
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81 public void request(AsyncRequestProcessor processor, SyncListener<R> procedure) {
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82 throw new UnsupportedOperationException();
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86 public R request(RequestProcessor processor) throws DatabaseException {
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87 return processor.syncRequest(this);
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