Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.datastructures / src / org / simantics / utils / datastructures / Functions.java

diff --git a/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Functions.java b/bundles/org.simantics.utils.datastructures/src/org/simantics/utils/datastructures/Functions.java
new file mode 100644 (file)
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@@ -0,0 +1,36 @@
+/*******************************************************************************\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
+ * @author Tuukka Lehtonen\r
+ */\r
+public class Functions {\r
+\r
+    /**\r
+     * Returns a constant function that always evaluates to the specified\r
+     * arguments.\r
+     * \r
+     * @param <T>\r
+     * @param t the desired result of the created function\r
+     * @return\r
+     */\r
+    public static final <T> Function<T[]> constant(@SuppressWarnings("unchecked") final T... t) {\r
+        return new Function<T[]>() {\r
+            @Override\r
+            public T[] execute(Object... obj) {\r
+                return t;\r
+            }\r
+        };\r
+    }\r
+\r
+}\r