-/*******************************************************************************\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.diagram.symbolcontribution;\r
-\r
-import org.eclipse.core.runtime.IAdaptable;\r
-\r
-/**\r
- * A basic pair structure that implements IAdaptable. It tries to adapt the\r
- * paired objects to the requested class in order (first, second).\r
- * \r
- * @author Tuukka Lehtonen\r
- * \r
- * @param <T1> type of first\r
- * @param <T2> type of second\r
- */\r
-final class AdaptablePair<T1, T2> implements IAdaptable {\r
- public final T1 first;\r
- public final T2 second;\r
- private final int hash;\r
-\r
- public static <T1, T2> AdaptablePair<T1, T2> make(T1 t1, T2 t2) {\r
- return new AdaptablePair<T1, T2>(t1, t2);\r
- }\r
-\r
- public AdaptablePair(T1 first, T2 second) {\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
- AdaptablePair<?, ?> other = (AdaptablePair<?, ?>) obj;\r
- if (other.first != first && (other.first == null || !other.first.equals(first)))\r
- return false;\r
- if (other.second != second && (other.second == null || !other.second.equals(second)))\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()) + (second == null ? 0 : second.hashCode())*31;\r
- }\r
-\r
- private Object adapt(Object o, Class<?> clazz) {\r
- if (clazz.isInstance(o))\r
- return o;\r
- if (o instanceof IAdaptable)\r
- return ((IAdaptable) o).getAdapter(clazz);\r
- return null;\r
- }\r
-\r
- @SuppressWarnings("rawtypes")\r
- @Override\r
- public Object getAdapter(Class adapter) {\r
- Object o = adapt(first, adapter);\r
- return (o == null) ? adapt(second, adapter) : o;\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.diagram.symbolcontribution;
+
+import org.eclipse.core.runtime.IAdaptable;
+
+/**
+ * A basic pair structure that implements IAdaptable. It tries to adapt the
+ * paired objects to the requested class in order (first, second).
+ *
+ * @author Tuukka Lehtonen
+ *
+ * @param <T1> type of first
+ * @param <T2> type of second
+ */
+final class AdaptablePair<T1, T2> implements IAdaptable {
+ public final T1 first;
+ public final T2 second;
+ private final int hash;
+
+ public static <T1, T2> AdaptablePair<T1, T2> make(T1 t1, T2 t2) {
+ return new AdaptablePair<T1, T2>(t1, t2);
+ }
+
+ public AdaptablePair(T1 first, T2 second) {
+ 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;
+ AdaptablePair<?, ?> other = (AdaptablePair<?, ?>) 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;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ return hash;
+ }
+
+ @Override
+ public String toString() {
+ return "<"+first+", "+second+">";
+ }
+
+ private int makeHash() {
+ return (first == null ? 0 : first.hashCode()) + (second == null ? 0 : second.hashCode())*31;
+ }
+
+ private Object adapt(Object o, Class<?> clazz) {
+ if (clazz.isInstance(o))
+ return o;
+ if (o instanceof IAdaptable)
+ return ((IAdaptable) o).getAdapter(clazz);
+ return null;
+ }
+
+ @SuppressWarnings("rawtypes")
+ @Override
+ public Object getAdapter(Class adapter) {
+ Object o = adapt(first, adapter);
+ return (o == null) ? adapt(second, adapter) : o;
+ }
+
+}