Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 58 insertions, 0 deletions

diff --git a/qpid/java/client/src/main/java/org/apache/qpid/jms/ConnectionListener.java b/qpid/java/client/src/main/java/org/apache/qpid/jms/ConnectionListener.java
new file mode 100644
index 0000000000..11c235901c
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/jms/ConnectionListener.java
@@ -0,0 +1,58 @@
+/*
+ *
+ * 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.qpid.jms;
+
+public interface ConnectionListener
+{
+    /**
+     * Called when bytes have been transmitted to the server
+     * @param count the number of bytes sent in total since the connection was opened
+     */
+    void bytesSent(long count);
+
+    /**
+     * Called when some bytes have been received on a connection
+     * @param count the number of bytes received in total since the connection was opened
+     */
+    void bytesReceived(long count);
+
+    /**
+     * Called after the infrastructure has detected that failover is required but before attempting failover.
+     * @param redirect true if the broker requested redirect. false if failover is occurring due to a connection error.
+     * @return true to continue failing over, false to veto failover and raise a connection exception
+     */
+    boolean preFailover(boolean redirect);
+
+    /**
+     * Called after connection has been made to another broker after failover has been started but before
+     * any resubscription has been done.
+     * @return true to continue with resubscription, false to prevent automatic resubscription. This is useful in
+     * cases where the application wants to handle resubscription. Note that in the latter case all sessions, producers
+     * and consumers are invalidated.
+     */
+    boolean preResubscribe();
+
+    /**
+     * Called once failover has completed successfully. This is called irrespective of whether the client has
+     * vetoed automatic resubscription.
+     */
+    void failoverComplete();
+}