1 files changed, 46 insertions, 0 deletions
diff --git a/plugins/infra/emf/org.eclipse.papyrus.infra.emf.types/src/org/eclipse/papyrus/infra/emf/types/advices/constraints/PermissionResult.java b/plugins/infra/emf/org.eclipse.papyrus.infra.emf.types/src/org/eclipse/papyrus/infra/emf/types/advices/constraints/PermissionResult.java
new file mode 100644
index 00000000000..6d54af084b5
--- /dev/null
+++ b/plugins/infra/emf/org.eclipse.papyrus.infra.emf.types/src/org/eclipse/papyrus/infra/emf/types/advices/constraints/PermissionResult.java
@@ -0,0 +1,46 @@
+/*****************************************************************************
+ * Copyright (c) 2021 Christian W. Damus, CEA LIST, and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *   Christian W. Damus - Initial API and implementation
+ *
+ *****************************************************************************/
+
+package org.eclipse.papyrus.infra.emf.types.advices.constraints;
+
+/**
+ * @author damus
+ *
+ */
+public enum PermissionResult {
+	/** No permission is determined. */
+	NONE,
+	/** Permission is granted. */
+	GRANTED,
+	/** Permission is denied. */
+	DENIED;
+
+	public boolean isDetermined() {
+		return this != NONE;
+	}
+
+	public boolean isGranted() {
+		return this == GRANTED;
+	}
+
+	public boolean isDenied() {
+		return this == DENIED;
+	}
+
+	public static PermissionResult of(boolean value) {
+		return value ? GRANTED : DENIED;
+	}
+
+}