Bug 500: Updated data APIs with new concepts.

[controller.git] / opendaylight / md-sal / sal-common-api / src / main / java / org / opendaylight / controller / md / sal / common / api / data / AsyncDataChangeListener.java

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 (file)
index 0000000..49f07bc
--- /dev/null
+++ 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);
+}