Last change
on this file since 2198 was 1169, checked in by stoecker, 15 years ago |
removed usage of tab stops
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-
Property svn:eol-style
set to
native
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File size:
881 bytes
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Rev | Line | |
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[429] | 1 | package org.openstreetmap.josm.tools;
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| 2 | import java.util.ArrayList;
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| 3 |
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| 4 | /**
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| 5 | * A pair.
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| 6 | */
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| 7 | public final class Pair<A,B> {
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[1169] | 8 | public A a;
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| 9 | public B b;
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[429] | 10 |
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[1169] | 11 | public Pair(A a, B b) {
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| 12 | this.a = a;
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| 13 | this.b = b;
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| 14 | }
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[429] | 15 |
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[1169] | 16 | @Override public int hashCode() {
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| 17 | return a.hashCode() ^ b.hashCode();
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| 18 | }
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[429] | 19 |
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[1169] | 20 | @Override public boolean equals(Object o) {
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| 21 | return o == null ? o == null : o instanceof Pair
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| 22 | && a.equals(((Pair<?,?>) o).a) && b.equals(((Pair<?,?>) o).b);
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| 23 | }
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[429] | 24 |
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[1169] | 25 | public static <T> ArrayList<T> toArrayList(Pair<T, T> p) {
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| 26 | ArrayList<T> l = new ArrayList<T>(2);
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| 27 | l.add(p.a);
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| 28 | l.add(p.b);
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| 29 | return l;
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| 30 | }
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[429] | 31 |
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[1169] | 32 | public static <T> Pair<T,T> sort(Pair<T,T> p) {
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| 33 | if (p.b.hashCode() < p.a.hashCode()) {
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| 34 | T tmp = p.a;
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| 35 | p.a = p.b;
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| 36 | p.b = tmp;
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| 37 | }
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| 38 | return p;
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| 39 | }
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[429] | 40 | }
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