More DB ListenerAdapter abstract to force isDisposed implementation

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / procedure / adapter / AsyncMultiListenerAdapter.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/adapter/AsyncMultiListenerAdapter.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/adapter/AsyncMultiListenerAdapter.java
index 29c039ca03c508a9ba222fad9c5456e86a9c6817..e7cd7d6c2ba64798a294a006ae34c256c8ca7d0b 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/adapter/AsyncMultiListenerAdapter.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/procedure/adapter/AsyncMultiListenerAdapter.java
@@ -14,7 +14,7 @@ package org.simantics.db.common.procedure.adapter;
 import org.simantics.db.AsyncReadGraph;
 import org.simantics.db.procedure.AsyncMultiListener;
 
-public class AsyncMultiListenerAdapter<T> implements AsyncMultiListener<T> {
+public abstract class AsyncMultiListenerAdapter<T> implements AsyncMultiListener<T> {
 
     @Override
     public void exception(AsyncReadGraph graph, Throwable t) {
@@ -29,8 +29,6 @@ public class AsyncMultiListenerAdapter<T> implements AsyncMultiListener<T> {
     }
 
     @Override
-    public boolean isDisposed() {
-        return false;
-    }
+    public abstract boolean isDisposed();
 
 }