case-study/jdt-before/core refactoring/org/eclipse/jdt/internal/corext/refactoring/typeconstraints/types/TypeTuple.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2011 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package org.eclipse.jdt.internal.corext.refactoring.typeconstraints.types;
  12
  13
  14 public class TypeTuple {
  15         private TType fFirst;
  16         private TType fSecond;
  17
  18         public TypeTuple(TType first, TType second) {
  19                 super();
  20                 fFirst= first;
  21                 fSecond= second;
  22         }
  23
  24         @Override
  25         public boolean equals(Object obj) {
  26                 if (this == obj)
  27                         return true;
  28                 if (!(obj instanceof TypeTuple))
  29                         return false;
  30                 TypeTuple other= (TypeTuple)obj;
  31                 return fFirst.equals(other.fFirst) && fSecond.equals(other.fSecond);
  32         }
  33
  34         @Override
  35         public int hashCode() {
  36                 return fFirst.hashCode() << 16 + fSecond.hashCode();
  37         }
  38 }