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.AsyncRead;
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24 import org.simantics.db.request.ReadInterface;
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26 public abstract class UnaryAsyncRead<P, R> implements AsyncRead<R>, ReadInterface<R> {
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28 final protected P parameter;
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31 public int hashCode() {
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32 return parameter != null ? parameter.hashCode() : 0;
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36 final public int threadHash() {
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37 return parameter.hashCode();
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41 public boolean equals(Object object) {
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44 else if (object == null)
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46 else if (getClass() != object.getClass())
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48 UnaryAsyncRead<?, ?> r = (UnaryAsyncRead<?, ?>) object;
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49 if(parameter != null) {
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50 if(!parameter.equals(r.parameter)) return false;
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51 } else if(r.parameter != null) return false;
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56 public int getFlags() {
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60 public UnaryAsyncRead(P parameter) {
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61 this.parameter = parameter;
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65 public void request(AsyncRequestProcessor processor, AsyncProcedure<R> procedure) {
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66 processor.asyncRequest(this, procedure);
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70 public void request(AsyncRequestProcessor processor, Procedure<R> procedure) {
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71 processor.asyncRequest(this, procedure);
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75 public void request(AsyncRequestProcessor processor, SyncProcedure<R> procedure) {
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76 processor.asyncRequest(this, procedure);
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80 public void request(AsyncRequestProcessor processor, AsyncListener<R> procedure) {
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81 processor.asyncRequest(this, procedure);
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85 public void request(AsyncRequestProcessor processor, Listener<R> procedure) {
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86 processor.asyncRequest(this, procedure);
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90 public void request(AsyncRequestProcessor processor, SyncListener<R> procedure) {
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91 processor.asyncRequest(this, procedure);
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95 public R request(RequestProcessor processor) throws DatabaseException {
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96 return processor.syncRequest(this);
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