X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-common-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fcommon%2Fapi%2Fdata%2FAsyncDataChangeListener.java;fp=opendaylight%2Fmd-sal%2Fsal-common-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fcommon%2Fapi%2Fdata%2FAsyncDataChangeListener.java;h=49f07bc52b4f8aecefab507121d8d91984f1f8d3;hb=9fda938ef6dc037ef1c5a9fbed25469d4a532150;hp=0000000000000000000000000000000000000000;hpb=9b07bd85d10b509d29b70b1e43b1919c5b4bcbb2;p=controller.git

diff --git a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/AsyncDataChangeListener.java b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/AsyncDataChangeListener.java
new file mode 100644
index 0000000000..49f07bc52b
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+++ b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/AsyncDataChangeListener.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  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
+ */
+package org.opendaylight.controller.md.sal.common.api.data;
+
+import java.util.EventListener;
+
+import org.opendaylight.yangtools.concepts.Path;
+
+public interface AsyncDataChangeListener<P extends Path<P>, D> extends EventListener {
+    /**
+     * Note that this method may be invoked from a shared thread pool, so
+     * implementations SHOULD NOT perform CPU-intensive operations and they
+     * definitely MUST NOT invoke any potentially blocking operations.
+     *
+     * @param change Data Change Event being delivered.
+     */
+    void onDataChanged(AsyncDataChangeEvent<P, D> change);
+}