X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fapi%2FDOMRpcAvailabilityListener.java;fp=opendaylight%2Fmd-sal%2Fsal-dom-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fapi%2FDOMRpcAvailabilityListener.java;h=77d42a43c994edca187aa8cde354ffb6f881a983;hp=0000000000000000000000000000000000000000;hb=1d94bf61cc6d5a157e070d4af01a23599750569e;hpb=c1f5a28943e916b6d61cbe707894b4d5af325af8

diff --git a/opendaylight/md-sal/sal-dom-api/src/main/java/org/opendaylight/controller/md/sal/dom/api/DOMRpcAvailabilityListener.java b/opendaylight/md-sal/sal-dom-api/src/main/java/org/opendaylight/controller/md/sal/dom/api/DOMRpcAvailabilityListener.java
new file mode 100644
index 0000000000..77d42a43c9
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+++ b/opendaylight/md-sal/sal-dom-api/src/main/java/org/opendaylight/controller/md/sal/dom/api/DOMRpcAvailabilityListener.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2015 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.dom.api;
+
+import java.util.Collection;
+import java.util.EventListener;
+import javax.annotation.Nonnull;
+
+/**
+ * An {@link EventListener} used to track RPC implementations becoming (un)available
+ * to a {@link DOMRpcService}.
+ */
+public interface DOMRpcAvailabilityListener extends EventListener {
+    /**
+     * Method invoked whenever an RPC type becomes available.
+     *
+     * @param rpcs RPC types newly available
+     */
+    void onRpcAvailable(@Nonnull Collection<DOMRpcIdentifier> rpcs);
+
+    /**
+     * Method invoked whenever an RPC type becomes unavailable.
+     *
+     * @param rpcs RPC types which became unavailable
+     */
+    void onRpcUnavailable(@Nonnull Collection<DOMRpcIdentifier> rpcs);
+}