1 files changed, 32 insertions, 0 deletions
diff --git a/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/ocl/tracker/OclTrackerBase.java b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/ocl/tracker/OclTrackerBase.java
new file mode 100755
index 00000000000..76b53d3875d
--- /dev/null
+++ b/plugins/infra/gmfdiag/org.eclipse.papyrus.infra.gmfdiag.tooling.runtime/src/org/eclipse/papyrus/infra/gmfdiag/tooling/runtime/ocl/tracker/OclTrackerBase.java
@@ -0,0 +1,32 @@
+package  org.eclipse.papyrus.infra.gmfdiag.tooling.runtime.ocl.tracker;
+
+import org.eclipse.emf.ecore.EObject;
+
+public abstract class OclTrackerBase implements OclTracker {
+
+	private EObject myContext;
+
+	private final String myExpressionBody;
+
+	protected OclTrackerBase(String expressionBody) {
+		myExpressionBody = expressionBody;
+	}
+
+	public final String getExpressionBody() {
+		return myExpressionBody;
+	}
+
+	public final void initialize(EObject context) {
+		if (myContext == context) {
+			return;
+		}
+		myContext = context;
+		doInitialize();
+	}
+
+	protected final EObject getContext() {
+		return myContext;
+	}
+
+	protected abstract void doInitialize();
+}