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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16 public abstract class UnaryRead<P, R> extends GenericReadBase<P, R> {
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18 final protected P parameter;
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21 public int hashCode() {
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22 return parameter != null ? parameter.hashCode() : 0;
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26 public boolean equals(Object object) {
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29 else if (object == null)
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31 else if (getClass() != object.getClass())
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33 UnaryRead<?, ?> r = (UnaryRead<?, ?>) object;
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34 if(parameter != null) {
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35 if(!parameter.equals(r.parameter)) return false;
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36 } else if(r.parameter != null) return false;
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40 public UnaryRead(P parameter) {
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41 this.parameter = parameter;
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45 public String toString() {
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46 return getClass().getSimpleName() + "$" + parameter;
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