X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.db%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fservice%2FEventSupport.java;fp=bundles%2Forg.simantics.db%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fservice%2FEventSupport.java;h=7d7995b44625a9f49f04361a02147aa3d736db50;hp=0000000000000000000000000000000000000000;hb=090aaaa7349a99f59b70cd1fbcdd08c270aca2a2;hpb=b3e3a3bce47f28aaf7b47311f2b5e0c715501291

diff --git a/bundles/org.simantics.db/src/org/simantics/db/service/EventSupport.java b/bundles/org.simantics.db/src/org/simantics/db/service/EventSupport.java
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index 000000000..7d7995b44
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+++ b/bundles/org.simantics.db/src/org/simantics/db/service/EventSupport.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.db.service;
+
+/**
+ * Interface for listening DB events.
+ * 
+ * Note: At the moment, only "purge" is supported.
+ * 
+ * @author luukkainen
+ *
+ */
+public interface EventSupport {
+    
+    public void addListener(EventListener l);
+    
+    public void removeListener(EventListener l);
+
+    
+    public interface EventListener extends java.util.EventListener {
+        /**
+         * 
+         * @param type Type of the event.
+         * @param data Data related to the event, may be null.
+         */
+        public void event(String type, Object data);
+    }
+}