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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/utilities/pairs/CPair.java')
| -rw-r--r-- | src/de/lmu/ifi/dbs/elki/utilities/pairs/CPair.java | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/utilities/pairs/CPair.java b/src/de/lmu/ifi/dbs/elki/utilities/pairs/CPair.java deleted file mode 100644 index 036eaea2..00000000 --- a/src/de/lmu/ifi/dbs/elki/utilities/pairs/CPair.java +++ /dev/null @@ -1,96 +0,0 @@ -package de.lmu.ifi.dbs.elki.utilities.pairs; - -/* - This file is part of ELKI: - Environment for Developing KDD-Applications Supported by Index-Structures - - Copyright (C) 2013 - Ludwig-Maximilians-Universität München - Lehr- und Forschungseinheit für Datenbanksysteme - ELKI Development Team - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -import de.lmu.ifi.dbs.elki.utilities.ClassGenericsUtil; - -/** - * Pair with canonical comparison function derived from the components comparable interfaces. - * - * @author Erich Schubert - * - * @param <FIRST> first type - * @param <SECOND> second type - */ -public class CPair<FIRST extends Comparable<? super FIRST>, SECOND extends Comparable<? super SECOND>> extends Pair<FIRST, SECOND> implements Comparable<CPair<FIRST,SECOND>> { - /** - * Initialize pair - * - * @param first first parameter - * @param second second parameter - */ - public CPair(FIRST first, SECOND second) { - super(first, second); - } - - /** - * Generic derived compare function. - * - * @param other Object to compare to - * @return comparison result - */ - @Override - public int compareTo(CPair<FIRST, SECOND> other) { - // try comparing by first - if(this.first != null) { - if(other.first == null) { - return -1; - } - int delta1 = this.first.compareTo(other.first); - if(delta1 != 0) { - return delta1; - } - } - else if(other.first != null) { - return +1; - } - // try comparing by second - if(this.second != null) { - if(other.second == null) { - return -1; - } - int delta2 = this.second.compareTo(other.second); - if(delta2 != 0) { - return delta2; - } - } - else if(other.second != null) { - return +1; - } - return 0; - } - - /** - * Array constructor for generics - * - * @param <F> First type - * @param <S> Second type - * @param size Size of array to be constructed - * @return New array of requested size - */ - public static final <F extends Comparable<? super F>, S extends Comparable<? super S>> CPair<F, S>[] newArray(int size) { - Class<CPair<F,S>> paircls = ClassGenericsUtil.uglyCastIntoSubclass(CPair.class); - return ClassGenericsUtil.newArrayOfNull(size, paircls); - } -}
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