1 files changed, 53 insertions, 0 deletions
diff --git a/uml/org.eclipse.papyrus.diagram.common/src/org/eclipse/papyrus/diagram/common/parser/lookup/LookupResolver.java b/uml/org.eclipse.papyrus.diagram.common/src/org/eclipse/papyrus/diagram/common/parser/lookup/LookupResolver.java
new file mode 100644
index 00000000000..d9ec6cbf709
--- /dev/null
+++ b/uml/org.eclipse.papyrus.diagram.common/src/org/eclipse/papyrus/diagram/common/parser/lookup/LookupResolver.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2006 Borland Software Corporation
+ * 
+ * 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:
+ *    Michael Golubev (Borland) - initial API and implementation
+ */
+
+package org.eclipse.papyrus.diagram.common.parser.lookup;
+
+import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
+import org.eclipse.uml2.uml.NamedElement;
+
+public interface LookupResolver {
+
+	public abstract void addLookupResolveRequest(LookupResolveRequest request, Callback callback);
+
+	public abstract boolean isEmpty();
+
+	public abstract boolean canResolve();
+
+	public abstract AbstractTransactionalCommand getResolveCommand();
+
+	public static interface Callback {
+
+		public void lookupResolved(NamedElement resolution);
+	}
+
+	public static final LookupResolver NULL = new LookupResolver() {
+
+		public boolean isEmpty() {
+			return true;
+		}
+
+		public AbstractTransactionalCommand getResolveCommand() {
+			return null;
+		}
+
+		public boolean canResolve() {
+			return false;
+		}
+
+		public void addLookupResolveRequest(LookupResolveRequest request, Callback callback) {
+			//
+		}
+
+	};
+
+}
+\ No newline at end of file