1 /*******************************************************************************
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2 * Copyright (c) 2013 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 * Semantum Oy - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.db.common.request;
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15 abstract public class QuaternaryRead<P1, P2, P3, P4, R> extends TernaryRead<P1, P2, P3, R> {
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17 final protected P4 parameter4;
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20 public int hashCode() {
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21 final int h1 = parameter != null ? parameter.hashCode() : 0;
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22 final int h2 = parameter2 != null ? parameter2.hashCode() : 0;
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23 final int h3 = parameter3 != null ? parameter3.hashCode() : 0;
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24 final int h4 = parameter4 != null ? parameter4.hashCode() : 0;
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25 return 31 * (41 * (h1 + 31 * h2) + h3) + h4;
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29 public boolean equals(Object object) {
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32 else if (object == null)
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34 else if (getClass() != object.getClass())
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36 QuaternaryRead<?, ?, ?, ?, ?> r = (QuaternaryRead<?, ?, ?, ?, ?>) object;
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37 if(parameter != null) {
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38 if(!parameter.equals(r.parameter)) return false;
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39 } else if(r.parameter != null) return false;
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40 if(parameter2 != null) {
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41 if(!parameter2.equals(r.parameter2)) return false;
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42 } else if(r.parameter2 != null) return false;
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43 if(parameter3 != null) {
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44 if(!parameter3.equals(r.parameter3)) return false;
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45 } else if(r.parameter3 != null) return false;
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46 if(parameter4 != null) {
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47 if(!parameter4.equals(r.parameter4)) return false;
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48 } else if(r.parameter4 != null) return false;
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52 public QuaternaryRead(P1 parameter1, P2 parameter2, P3 parameter3, P4 parameter4) {
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53 super(parameter1, parameter2, parameter3);
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54 this.parameter4 = parameter4;
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