1 files changed, 6 insertions, 4 deletions

diff --git a/bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/databinding/property/SimplePropertyEvent.java b/bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/databinding/property/SimplePropertyEvent.java
index f811d2be..03aaec16 100644
--- a/bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/databinding/property/SimplePropertyEvent.java
+++ b/bundles/org.eclipse.core.databinding.property/src/org/eclipse/core/databinding/property/SimplePropertyEvent.java
@@ -20,9 +20,11 @@ import org.eclipse.core.internal.databinding.property.Util;
 /**
  * Event object events in the properties API
  * 
+ * @param <D>
+ *            type of the diff handled by this event
  * @since 1.2
  */
-public final class SimplePropertyEvent extends EventObject {
+public final class SimplePropertyEvent<D extends IDiff> extends EventObject {
 	private static final long serialVersionUID = 1L;
 
 	/**
@@ -53,7 +55,7 @@ public final class SimplePropertyEvent extends EventObject {
 	 * If event == CHANGE, a diff object describing the change in state, or null
 	 * for an unknown change.
 	 */
-	public final IDiff diff;
+	public final D diff;
 
 	/**
 	 * Constructs a PropertyChangeEvent with the given attributes
@@ -69,7 +71,7 @@ public final class SimplePropertyEvent extends EventObject {
 	 *            is unknown or not applicable.
 	 */
 	public SimplePropertyEvent(int type, Object source, IProperty property,
-			IDiff diff) {
+			D diff) {
 		super(source);
 		this.type = type;
 		this.property = property;
@@ -84,7 +86,7 @@ public final class SimplePropertyEvent extends EventObject {
 		if (getClass() != obj.getClass())
 			return false;
 
-		SimplePropertyEvent that = (SimplePropertyEvent) obj;
+		SimplePropertyEvent<?> that = (SimplePropertyEvent<?>) obj;
 		return Util.equals(getSource(), that.getSource())
 				&& Util.equals(this.property, that.property)
 				&& Util.equals(this.diff, that.diff);