From f5707c7969f5bac6700c37c946dbfb0eb9a8d7ef Mon Sep 17 00:00:00 2001
From: Keith Wall <kwall@apache.org>
Date: Wed, 25 Jul 2012 22:37:21 +0000
Subject: QPID-4164: Prevent the erroneous re-storing of recovered messages
 during move/copyMessage management functions.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1365832 13f79535-47bb-0310-9956-ffa450edef68
---
 .../store/berkeleydb/AbstractBDBMessageStore.java  | 45 +++++++++-------------
 1 file changed, 18 insertions(+), 27 deletions(-)

(limited to 'qpid/java/bdbstore/src/main')

diff --git a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/AbstractBDBMessageStore.java b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/AbstractBDBMessageStore.java
index a812436f34..755cb9c89e 100644
--- a/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/AbstractBDBMessageStore.java
+++ b/qpid/java/bdbstore/src/main/java/org/apache/qpid/server/store/berkeleydb/AbstractBDBMessageStore.java
@@ -546,7 +546,7 @@ public abstract class AbstractBDBMessageStore implements MessageStore
                 long messageId = LongBinding.entryToLong(key);
                 StorableMessageMetaData metaData = valueBinding.entryToObject(value);
 
-                StoredBDBMessage message = new StoredBDBMessage(messageId, metaData, false);
+                StoredBDBMessage message = new StoredBDBMessage(messageId, metaData, true);
 
                 mrh.message(message);
 
@@ -1576,34 +1576,26 @@ public abstract class AbstractBDBMessageStore implements MessageStore
     {
 
         private final long _messageId;
-        private volatile SoftReference<StorableMessageMetaData> _metaDataRef;
+        private final boolean _isRecovered;
 
         private StorableMessageMetaData _metaData;
-        private volatile SoftReference<byte[]> _dataRef;
+        private volatile SoftReference<StorableMessageMetaData> _metaDataRef;
+
         private byte[] _data;
+        private volatile SoftReference<byte[]> _dataRef;
 
         StoredBDBMessage(long messageId, StorableMessageMetaData metaData)
         {
-            this(messageId, metaData, true);
+            this(messageId, metaData, false);
         }
 
-
-        StoredBDBMessage(long messageId,
-                           StorableMessageMetaData metaData, boolean persist)
+        StoredBDBMessage(long messageId, StorableMessageMetaData metaData, boolean isRecovered)
         {
-            try
-            {
-                _messageId = messageId;
-                _metaData = metaData;
-
-                _metaDataRef = new SoftReference<StorableMessageMetaData>(metaData);
-
-            }
-            catch (DatabaseException e)
-            {
-                throw new RuntimeException(e);
-            }
+            _messageId = messageId;
+            _isRecovered = isRecovered;
 
+            _metaData = metaData;
+            _metaDataRef = new SoftReference<StorableMessageMetaData>(metaData);
         }
 
         public StorableMessageMetaData getMetaData()
@@ -1693,8 +1685,7 @@ public abstract class AbstractBDBMessageStore implements MessageStore
 
         synchronized void store(com.sleepycat.je.Transaction txn)
         {
-
-            if(unstored())
+            if (!stored())
             {
                 try
                 {
@@ -1724,14 +1715,9 @@ public abstract class AbstractBDBMessageStore implements MessageStore
             }
         }
 
-        private boolean unstored()
-        {
-            return _metaData != null;
-        }
-
         public synchronized StoreFuture flushToStore()
         {
-            if(unstored())
+            if(!stored())
             {
                 com.sleepycat.je.Transaction txn = _environment.beginTransaction(null, null);
                 store(txn);
@@ -1755,6 +1741,11 @@ public abstract class AbstractBDBMessageStore implements MessageStore
                 throw new RuntimeException(e);
             }
         }
+
+        private boolean stored()
+        {
+            return _metaData == null || _isRecovered;
+        }
     }
 
     private class BDBTransaction implements org.apache.qpid.server.store.Transaction
-- 
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