X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils.datastructures%2Fsrc%2Forg%2Fsimantics%2Futils%2Fdatastructures%2FQuad.java;fp=bundles%2Forg.simantics.utils.datastructures%2Fsrc%2Forg%2Fsimantics%2Futils%2Fdatastructures%2FQuad.java;h=9587e862ed8b04648a6ce9b889044a45068d47a2;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hp=76f2d627d825565505c4e587ac1afd2f672e5aa3;hpb=24e2b34260f219f0d1644ca7a138894980e25b14;p=simantics%2Fplatform.git diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Quad.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Quad.java index 76f2d627d..9587e862e 100644 --- a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Quad.java +++ b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Quad.java @@ -1,73 +1,73 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management - * in Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ -package org.simantics.utils.datastructures; - -/** - * A generic Quad (4-tuple) structure for containing four object instances of - * chosen types. - * - * @param type of first element - * @param type of second element - * @param type of third element - * @param type of fourth element - */ -public final class Quad { - public final T1 first; - public final T2 second; - public final T3 third; - public final T4 fourth; - private final int hash; - - public static Quad make(T1 t1, T2 t2, T3 t3, T4 t4) { - return new Quad(t1, t2, t3, t4); - } - - public Quad(T1 first, T2 second, T3 third, T4 fourth) { - this.first = first; - this.second = second; - this.third = third; - this.fourth = fourth; - this.hash = makeHash(); - } - - @Override - public boolean equals(Object obj) { - if (obj == null) - return false; - if (!(obj.getClass().equals(this.getClass()))) - return false; - Quad other = (Quad) obj; - if (other.first != first && (other.first == null || !other.first.equals(first))) - return false; - if (other.second != second && (other.second == null || !other.second.equals(second))) - return false; - if (other.third != third && (other.third == null || !other.third.equals(third))) - return false; - if (other.fourth != fourth && (other.fourth == null || !other.fourth.equals(fourth))) - return false; - return true; - } - - @Override - public int hashCode() { - return hash; - } - - @Override - public String toString() { - return "<"+first+", "+second+", "+third+", "+fourth+">"; - } - - private int makeHash() { - return (first == null ? 0 : first.hashCode()) + (second == null ? 0 : second.hashCode())*31 + (third == null ? 0 : third.hashCode())*41+ (fourth == null ? 0 : fourth.hashCode())*71; - } -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.utils.datastructures; + +/** + * A generic Quad (4-tuple) structure for containing four object instances of + * chosen types. + * + * @param type of first element + * @param type of second element + * @param type of third element + * @param type of fourth element + */ +public final class Quad { + public final T1 first; + public final T2 second; + public final T3 third; + public final T4 fourth; + private final int hash; + + public static Quad make(T1 t1, T2 t2, T3 t3, T4 t4) { + return new Quad(t1, t2, t3, t4); + } + + public Quad(T1 first, T2 second, T3 third, T4 fourth) { + this.first = first; + this.second = second; + this.third = third; + this.fourth = fourth; + this.hash = makeHash(); + } + + @Override + public boolean equals(Object obj) { + if (obj == null) + return false; + if (!(obj.getClass().equals(this.getClass()))) + return false; + Quad other = (Quad) obj; + if (other.first != first && (other.first == null || !other.first.equals(first))) + return false; + if (other.second != second && (other.second == null || !other.second.equals(second))) + return false; + if (other.third != third && (other.third == null || !other.third.equals(third))) + return false; + if (other.fourth != fourth && (other.fourth == null || !other.fourth.equals(fourth))) + return false; + return true; + } + + @Override + public int hashCode() { + return hash; + } + + @Override + public String toString() { + return "<"+first+", "+second+", "+third+", "+fourth+">"; + } + + private int makeHash() { + return (first == null ? 0 : first.hashCode()) + (second == null ? 0 : second.hashCode())*31 + (third == null ? 0 : third.hashCode())*41+ (fourth == null ? 0 : fourth.hashCode())*71; + } +}