From 0f66d4c96c6810d01c6dc7e5c571732430c7aa0e Mon Sep 17 00:00:00 2001
From: Martin Ritchie <ritchiem@apache.org>
Date: Tue, 14 Apr 2009 15:05:10 +0000
Subject: Merged change to SlowMessageStore to ensure we don't infinitely
 configure the same class.

QPID-1621: add ServerConfiguration, QueueConfiguration and SecurityConfiguration classes. Move almost all uses of o.a.commons.configuration.Configuration behind there.  @Configured delenda est

Merged changed from trunk r745799


git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/0.5-fix@764816 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/org/apache/qpid/client/AMQConnection.java | 12 ++++-
 .../java/org/apache/qpid/client/AMQSession.java    | 55 ++++++++++++++++++----
 .../apache/qpid/client/BasicMessageConsumer.java   |  9 +++-
 .../java/org/apache/qpid/client/Closeable.java     | 18 +++++++
 4 files changed, 81 insertions(+), 13 deletions(-)

(limited to 'qpid/java/client/src')

diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQConnection.java b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQConnection.java
index 269937d0bd..5347e20e96 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQConnection.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQConnection.java
@@ -58,6 +58,7 @@ import org.apache.qpid.AMQConnectionFailureException;
 import org.apache.qpid.AMQException;
 import org.apache.qpid.AMQProtocolException;
 import org.apache.qpid.AMQUnresolvedAddressException;
+import org.apache.qpid.AMQDisconnectedException;
 import org.apache.qpid.client.configuration.ClientProperties;
 import org.apache.qpid.client.failover.FailoverException;
 import org.apache.qpid.client.failover.FailoverProtectedOperation;
@@ -889,7 +890,12 @@ public class AMQConnection extends Closeable implements Connection, QueueConnect
     {
         if (!_closed.getAndSet(true))
         {
-            doClose(sessions, timeout);
+            _closing.set(true);
+            try{
+                doClose(sessions, timeout);
+            }finally{
+                _closing.set(false);
+            }
         }
     }
 
@@ -1283,8 +1289,10 @@ public class AMQConnection extends Closeable implements Connection, QueueConnect
         // in the case of an IOException, MINA has closed the protocol session so we set _closed to true
         // so that any generic client code that tries to close the connection will not mess up this error
         // handling sequence
-        if (cause instanceof IOException)
+        if (cause instanceof IOException || cause instanceof AMQDisconnectedException)
         {
+            // If we have an IOE/AMQDisconnect there is no connection to close on.
+            _closing.set(false);
             closer = !_closed.getAndSet(true);
 
             _protocolHandler.getProtocolSession().notifyError(je);
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
index 733bee2d81..3b3d660c9c 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/AMQSession.java
@@ -21,6 +21,7 @@
 package org.apache.qpid.client;
 
 import java.io.Serializable;
+import java.io.IOException;
 import java.net.URISyntaxException;
 import java.text.MessageFormat;
 import java.util.ArrayList;
@@ -282,7 +283,7 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
 
     /** Holds the dispatcher thread for this session. */
     protected Dispatcher _dispatcher;
-    
+
     protected Thread _dispatcherThread;
 
     /** Holds the message factory factory for this session. */
@@ -625,6 +626,7 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
         // Ensure we only try and close an open session.
         if (!_closed.getAndSet(true))
         {
+            _closing.set(true);
             synchronized (getFailoverMutex())
             {
                 // We must close down all producers and consumers in an orderly fashion. This is the only method
@@ -636,7 +638,13 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
 
                     try
                     {
-                        sendClose(timeout);
+                        // If the connection is open or we are in the process
+                        // of closing the connection then send a cance
+                        // no point otherwise as the connection will be gone
+                        if (!_connection.isClosed() || _connection.isClosing())                        
+                        {
+                            sendClose(timeout);
+                        }
                     }
                     catch (AMQException e)
                     {
@@ -683,7 +691,11 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
                 // Failover failed and ain't coming back. Knife the dispatcher.
                 _dispatcherThread.interrupt();
             }
-        }
+
+       }
+
+        //if we don't have an exception then we can perform closing operations  
+        _closing.set(e == null);
 
         if (!_closed.getAndSet(true))
         {
@@ -1210,9 +1222,9 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
 
             // this is done so that we can produce to a temporary queue before we create a consumer
             result.setQueueName(result.getRoutingKey());
-            createQueue(result.getAMQQueueName(), result.isAutoDelete(), 
+            createQueue(result.getAMQQueueName(), result.isAutoDelete(),
                         result.isDurable(), result.isExclusive());
-            bindQueue(result.getAMQQueueName(), result.getRoutingKey(), 
+            bindQueue(result.getAMQQueueName(), result.getRoutingKey(),
                     new FieldTable(), result.getExchangeName(), result);
             return result;
         }
@@ -1674,11 +1686,11 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
                         // if (rawSelector != null)
                         // ft.put("headers", rawSelector.getDataAsBytes());
                         // rawSelector is used by HeadersExchange and is not a JMS Selector
-                        if (rawSelector != null) 
+                        if (rawSelector != null)
                         {
                             ft.addAll(rawSelector);
                         }
-                        
+
                         if (messageSelector != null)
                         {
                             ft.put(new AMQShortString("x-filter-jms-selector"), messageSelector);
@@ -1918,13 +1930,13 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
             _dispatcher = new Dispatcher();
             try
             {
-                _dispatcherThread = Threading.getThreadFactory().createThread(_dispatcher);       
-                
+                _dispatcherThread = Threading.getThreadFactory().createThread(_dispatcher);
+
             }
             catch(Exception e)
             {
                 throw new Error("Error creating Dispatcher thread",e);
-            }            
+            }
             _dispatcherThread.setName("Dispatcher-Channel-" + _channelId);
             _dispatcherThread.setDaemon(true);
             _dispatcher.setConnectionStopped(initiallyStopped);
@@ -2971,4 +2983,27 @@ public abstract class AMQSession<C extends BasicMessageConsumer, P extends Basic
             }
         }
     }
+
+    /**
+     * Checks if the Session and its parent connection are closed
+     *
+     * @return <tt>true</tt> if this is closed, <tt>false</tt> otherwise.
+     */
+    @Override
+    public boolean isClosed()
+    {
+        return _closed.get() || _connection.isClosed();
+    }
+
+    /**
+     * Checks if the Session and its parent connection are capable of performing
+     * closing operations
+     *
+     * @return <tt>true</tt> if we are closing, <tt>false</tt> otherwise.
+     */
+    @Override
+    public boolean isClosing()
+    {
+        return _closing.get()|| _connection.isClosing();
+    }
 }
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java b/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
index 76422c6297..add68c5b27 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/BasicMessageConsumer.java
@@ -541,6 +541,7 @@ public abstract class BasicMessageConsumer<U> extends Closeable implements Messa
 
         if (!_closed.getAndSet(true))
         {
+            _closing.set(true);
             if (_logger.isDebugEnabled())
             {
                 StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
@@ -561,7 +562,13 @@ public abstract class BasicMessageConsumer<U> extends Closeable implements Messa
                 {
                     try
                     {
-                        sendCancel();
+                        // If the session is open or we are in the process
+                        // of closing the session then send a cance
+                        // no point otherwise as the connection will be gone
+                        if (!_session.isClosed() || _session.isClosing())
+                        {
+                            sendCancel();
+                        }
                     }
                     catch (AMQException e)
                     {
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/Closeable.java b/qpid/java/client/src/main/java/org/apache/qpid/client/Closeable.java
index 7e119343a1..e6771e122c 100644
--- a/qpid/java/client/src/main/java/org/apache/qpid/client/Closeable.java
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/Closeable.java
@@ -51,6 +51,13 @@ public abstract class Closeable
      */
     protected final AtomicBoolean _closed = new AtomicBoolean(false);
 
+    /**
+     * Are we in the process of closing. We have this distinction so we can
+     * still signal we are in the process of closing so other objects can tell
+     * the difference and tidy up.
+     */
+    protected final AtomicBoolean _closing = new AtomicBoolean(false);
+
     /**
      * Checks if this is closed, and raises a JMSException if it is.
      *
@@ -74,6 +81,17 @@ public abstract class Closeable
         return _closed.get();
     }
 
+    /**
+     * Checks if this is closis.
+     *
+     * @return <tt>true</tt> if we are closing, <tt>false</tt> otherwise.
+     */
+    public boolean isClosing()
+    {
+        return _closing.get();
+    }
+
+
     /**
      * Closes this object.
      *
-- 
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