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java/org/apache/catalina/tribes/group/ExtendedRpcCallback.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.catalina.tribes.group;
+
+import java.io.Serializable;
+
+import org.apache.catalina.tribes.Member;
+/**
+ * Extension to the {@link RpcCallback} interface. Allows a RPC messenger to get a confirmation if the reply
+ * was sent successfully to the original sender.
+ *
+ */
+public interface ExtendedRpcCallback extends RpcCallback {
+
+    /**
+     * The reply failed.
+     * @param request - the original message that requested the reply
+     * @param response - the reply message to the original message
+     * @param sender - the sender requested that reply
+     * @param reason - the reason the reply failed
+     */
+    public void replyFailed(Serializable request, Serializable response, Member sender, Exception reason);
+
+    /**
+     * The reply succeeded
+     * @param request - the original message that requested the reply
+     * @param response - the reply message to the original message
+     * @param sender - the sender requested that reply
+     */
+    public void replySucceeded(Serializable request, Serializable response, Member sender);
+}