1 files changed, 166 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/jms/failover/FailoverSingleServer.java b/qpid/java/client/src/main/java/org/apache/qpid/jms/failover/FailoverSingleServer.java
new file mode 100644
index 0000000000..d033a49f5c
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/jms/failover/FailoverSingleServer.java
@@ -0,0 +1,166 @@
+/*
+ *
+ * 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.failover;
+
+import org.apache.qpid.jms.BrokerDetails;
+import org.apache.qpid.jms.ConnectionURL;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FailoverSingleServer implements FailoverMethod
+{
+    private static final Logger _logger = LoggerFactory.getLogger(FailoverSingleServer.class);
+
+    /** The default number of times to rety a conection to this server */
+    public static final int DEFAULT_SERVER_RETRIES = 0;
+
+    /** The details of the Single Server */
+    private BrokerDetails _brokerDetail;
+
+    /** The number of times to retry connecting to the sever */
+    protected int _retries;
+
+    /** The current number of attempts made to the server */
+    protected int _currentRetries = 0;
+
+
+    public FailoverSingleServer(ConnectionURL connectionDetails)
+    {
+        if (connectionDetails.getBrokerCount() > 0)
+        {
+            setBroker(connectionDetails.getBrokerDetails(0));
+        }
+        else
+        {
+            throw new IllegalArgumentException("BrokerDetails details required for connection.");
+        }
+    }
+
+    public FailoverSingleServer(BrokerDetails brokerDetail)
+    {
+        setBroker(brokerDetail);
+    }
+
+    public void reset()
+    {
+        _currentRetries = 0;
+    }
+
+    public boolean failoverAllowed()
+    {
+        return _currentRetries < _retries;
+    }
+
+    public void attainedConnection()
+    {
+        reset();
+    }
+
+    public BrokerDetails getCurrentBrokerDetails()
+    {
+        return _brokerDetail;
+    }
+
+    public BrokerDetails getNextBrokerDetails()
+    {
+        if (_currentRetries == _retries)
+        {
+            return null;
+        }
+        else
+        {
+            if (_currentRetries < _retries)
+            {
+                _currentRetries++;
+            }
+        }
+
+
+        String delayStr = _brokerDetail.getProperty(BrokerDetails.OPTIONS_CONNECT_DELAY);
+        if (delayStr != null && _currentRetries > 0)
+        {
+            Long delay = Long.parseLong(delayStr);
+            _logger.info("Delay between connect retries:" + delay);
+            try
+            {
+
+                Thread.sleep(delay);
+            }
+            catch (InterruptedException ie)
+            {
+                return null;
+            }
+        }
+        else
+        {
+            _logger.info("No delay between connect retries, use tcp://host:port?connectdelay='value' to enable.");
+        }
+
+        return _brokerDetail;
+    }
+
+    public void setBroker(BrokerDetails broker)
+    {
+        if (broker == null)
+        {
+            throw new IllegalArgumentException("BrokerDetails details cannot be null");
+        }
+        _brokerDetail = broker;
+
+        String retries = broker.getProperty(BrokerDetails.OPTIONS_RETRY);
+        if (retries != null)
+        {
+            try
+            {
+                _retries = Integer.parseInt(retries);
+            }
+            catch (NumberFormatException nfe)
+            {
+                _retries = DEFAULT_SERVER_RETRIES;
+            }
+        }
+        else
+        {
+            _retries = DEFAULT_SERVER_RETRIES;
+        }
+
+        reset();
+    }
+
+    public void setRetries(int retries)
+    {
+        _retries = retries;
+    }
+
+    public String methodName()
+    {
+        return "Single Server";
+    }
+
+    public String toString()
+    {
+        return methodName()+":\n" +
+               "Max Retries:" + _retries +
+               "\nCurrent Retry:" + _currentRetries +
+               "\n" + _brokerDetail + "\n";
+    }
+
+}