From eb257d87dd7420516e481cc38983053b0eb9ebf2 Mon Sep 17 00:00:00 2001
From: Robert Gemmell <robbie@apache.org>
Date: Fri, 28 Jan 2011 11:20:35 +0000
Subject: QPID-3017: improve error handling for the new transaction classes,
 add some logging, add unit tests

Applied patches from Keith Wall


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1064629 13f79535-47bb-0310-9956-ffa450edef68
---
 .../qpid/server/txn/MockStoreTransaction.java      | 136 +++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 qpid/java/broker/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java

(limited to 'qpid/java/broker/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java')

diff --git a/qpid/java/broker/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java b/qpid/java/broker/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java
new file mode 100644
index 0000000000..5700bba9f8
--- /dev/null
+++ b/qpid/java/broker/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java
@@ -0,0 +1,136 @@
+/*
+ *
+ * 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.server.txn;
+
+import org.apache.commons.configuration.Configuration;
+import org.apache.commons.lang.NotImplementedException;
+import org.apache.qpid.AMQStoreException;
+import org.apache.qpid.server.logging.LogSubject;
+import org.apache.qpid.server.store.TransactionLog;
+import org.apache.qpid.server.store.TransactionLogRecoveryHandler;
+import org.apache.qpid.server.store.TransactionLogResource;
+import org.apache.qpid.server.store.TransactionLog.StoreFuture;
+import org.apache.qpid.server.store.TransactionLog.Transaction;
+
+/**
+ * Mock implementation of a (Store) Transaction allow its state to be observed.
+ * Also provide a factory method to produce TestTransactionLog objects suitable
+ * for unit test use.
+ * 
+ */
+class MockStoreTransaction implements Transaction
+{
+    enum TransactionState {NOT_STARTED, STARTED, COMMITTED, ABORTED};
+
+    private TransactionState _state = TransactionState.NOT_STARTED;
+    
+    private int _numberOfEnqueuedMessages = 0;
+    private int _numberOfDequeuedMessages = 0;
+    private boolean _throwExceptionOnQueueOp;
+
+    public MockStoreTransaction(boolean throwExceptionOnQueueOp)
+    {
+        _throwExceptionOnQueueOp = throwExceptionOnQueueOp;
+    }
+
+    public void setState(TransactionState state)
+    {
+        _state = state; 
+    }
+
+    public TransactionState getState()
+    {
+        return _state;
+    }
+
+    @Override
+    public void enqueueMessage(TransactionLogResource queue, Long messageId) throws AMQStoreException
+    {
+        if (_throwExceptionOnQueueOp)
+        {
+            
+            throw new AMQStoreException("Mocked exception");
+        }
+        
+        _numberOfEnqueuedMessages++;
+    }
+
+    public int getNumberOfDequeuedMessages()
+    {
+        return _numberOfDequeuedMessages;
+    }
+
+    public int getNumberOfEnqueuedMessages()
+    {
+        return _numberOfEnqueuedMessages;
+    }
+
+
+    @Override
+    public void dequeueMessage(TransactionLogResource queue, Long messageId) throws AMQStoreException
+    {
+        if (_throwExceptionOnQueueOp)
+        {
+            throw new AMQStoreException("Mocked exception");
+        }
+        
+        _numberOfDequeuedMessages++;
+    }
+
+    @Override
+    public void commitTran() throws AMQStoreException
+    {
+        _state = TransactionState.COMMITTED;
+    }
+
+    @Override
+    public StoreFuture commitTranAsync() throws AMQStoreException
+    {
+        throw new NotImplementedException();
+    }
+
+    @Override
+    public void abortTran() throws AMQStoreException
+    {
+        _state = TransactionState.ABORTED;
+    }
+
+    public static TransactionLog createTestTransactionLog(final MockStoreTransaction storeTransaction)
+    {
+        return new TransactionLog()
+        {
+    
+            @Override
+            public void configureTransactionLog(String name, TransactionLogRecoveryHandler recoveryHandler,
+                    Configuration storeConfiguration, LogSubject logSubject) throws Exception
+            {
+            }
+    
+            @Override
+            public Transaction newTransaction()
+            {
+                storeTransaction.setState(TransactionState.STARTED);
+                return storeTransaction;
+            }
+            
+        };
+    }
+}
\ No newline at end of file
-- 
cgit v1.2.1