1 files changed, 39 insertions, 0 deletions
diff --git a/plugins/infra/constraints/org.eclipse.papyrus.infra.constraints/src/org/eclipse/papyrus/infra/constraints/constraints/JavaQuery.java b/plugins/infra/constraints/org.eclipse.papyrus.infra.constraints/src/org/eclipse/papyrus/infra/constraints/constraints/JavaQuery.java
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index 00000000000..9e3d08b8486
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+++ b/plugins/infra/constraints/org.eclipse.papyrus.infra.constraints/src/org/eclipse/papyrus/infra/constraints/constraints/JavaQuery.java
@@ -0,0 +1,39 @@
+/*****************************************************************************
+ * Copyright (c) 2012 CEA LIST.
+ *
+ * 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:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.constraints.constraints;
+
+/**
+ * Represents a Java Query
+ */
+public interface JavaQuery {
+
+	/**
+	 * Tests whether the query matches a given object
+	 *
+	 * @param selection
+	 * @return
+	 */
+	public boolean match(Object selection);
+
+	/**
+	 * A Java query which is always false
+	 *
+	 * @author Camille Letavernier
+	 *
+	 */
+	public class FalseQuery implements JavaQuery {
+
+		public boolean match(Object selection) {
+			return false;
+		}
+	}
+}