-/*******************************************************************************\r
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
- * in Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.utils.datastructures;\r
-\r
-\r
-/**\r
- * A generic Pair (2-tuple) structure for containing two object instances of\r
- * chosen types.\r
- * \r
- * @param <T1> type of first element\r
- * @param <T2> type of second element\r
- */\r
-public final class FirstIdentityPair<T1, T2> implements Comparable<FirstIdentityPair<T1, T2>> {\r
- public final T1 first;\r
- public final T2 second;\r
- private final int hash;\r
-\r
- public static <T1, T2> FirstIdentityPair<T1, T2> make(T1 t1, T2 t2) {\r
- return new FirstIdentityPair<T1, T2>(t1, t2);\r
- }\r
-\r
- public FirstIdentityPair(T1 first, T2 second) {\r
- //assert(first != null);\r
- //assert(second != null);\r
- \r
- this.first = first;\r
- this.second = second;\r
- this.hash = makeHash();\r
- }\r
- \r
- @Override\r
- public boolean equals(Object obj) {\r
- if (obj == null)\r
- return false;\r
- if (!(obj.getClass().equals(this.getClass())))\r
- return false;\r
- FirstIdentityPair<?, ?> other = (FirstIdentityPair<?, ?>) obj;\r
- if (other.first != first && (other.first == null || !other.first.equals(first)))\r
- return false;\r
- return true;\r
- }\r
- \r
- @Override\r
- public int hashCode() {\r
- return hash;\r
- }\r
- \r
- @Override\r
- public String toString() {\r
- return "<"+first+", "+second+">";\r
- }\r
- \r
- private int makeHash() {\r
- return (first == null ? 0 : first.hashCode());\r
- }\r
-\r
- @Override\r
- public int compareTo(FirstIdentityPair<T1, T2> arg0) {\r
- return hash - arg0.hash;\r
- }\r
- \r
-}\r
+/*******************************************************************************
+ * 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 Pair (2-tuple) structure for containing two object instances of
+ * chosen types.
+ *
+ * @param <T1> type of first element
+ * @param <T2> type of second element
+ */
+public final class FirstIdentityPair<T1, T2> implements Comparable<FirstIdentityPair<T1, T2>> {
+ public final T1 first;
+ public final T2 second;
+ private final int hash;
+
+ public static <T1, T2> FirstIdentityPair<T1, T2> make(T1 t1, T2 t2) {
+ return new FirstIdentityPair<T1, T2>(t1, t2);
+ }
+
+ public FirstIdentityPair(T1 first, T2 second) {
+ //assert(first != null);
+ //assert(second != null);
+
+ this.first = first;
+ this.second = second;
+ this.hash = makeHash();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj == null)
+ return false;
+ if (!(obj.getClass().equals(this.getClass())))
+ return false;
+ FirstIdentityPair<?, ?> other = (FirstIdentityPair<?, ?>) obj;
+ if (other.first != first && (other.first == null || !other.first.equals(first)))
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ return hash;
+ }
+
+ @Override
+ public String toString() {
+ return "<"+first+", "+second+">";
+ }
+
+ private int makeHash() {
+ return (first == null ? 0 : first.hashCode());
+ }
+
+ @Override
+ public int compareTo(FirstIdentityPair<T1, T2> arg0) {
+ return hash - arg0.hash;
+ }
+
+}