1 files changed, 37 insertions, 0 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/parts/ITimeElementBorderNodeEditPart.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/parts/ITimeElementBorderNodeEditPart.java
new file mode 100644
index 00000000000..3d7a2327c0e
--- /dev/null
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/parts/ITimeElementBorderNodeEditPart.java
@@ -0,0 +1,37 @@
+/*****************************************************************************
+ * Copyright (c) 2018 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.uml.diagram.sequence.edit.parts;
+
+import java.util.Optional;
+
+import org.eclipse.gmf.runtime.diagram.ui.editparts.IBorderItemEditPart;
+import org.eclipse.uml2.uml.MessageEnd;
+import org.eclipse.uml2.uml.TimeConstraint;
+import org.eclipse.uml2.uml.TimeObservation;
+
+/**
+ * Protocol for the border-item edit parts controlling the presentation of
+ * {@link TimeObservation}s and {@link TimeConstraint}s.
+ */
+public interface ITimeElementBorderNodeEditPart extends IBorderItemEditPart {
+
+	/**
+	 * Obtain the message end that is my time event, if any.
+	 *
+	 * @return my message end, or {@code null} if I do not observe or constrain a message end
+	 */
+	Optional<MessageEnd> getMessageEnd();
+}