1 files changed, 135 insertions, 0 deletions
diff --git a/qpid/java/broker-core/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java b/qpid/java/broker-core/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java
new file mode 100644
index 0000000000..0221f3d509
--- /dev/null
+++ b/qpid/java/broker-core/src/test/java/org/apache/qpid/server/txn/MockStoreTransaction.java
@@ -0,0 +1,135 @@
+/*
+ *
+ * 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.lang.NotImplementedException;
+import org.apache.qpid.AMQStoreException;
+import org.apache.qpid.server.message.EnqueableMessage;
+import org.apache.qpid.server.store.MessageStore;
+import org.apache.qpid.server.store.NullMessageStore;
+import org.apache.qpid.server.store.StoreFuture;
+import org.apache.qpid.server.store.Transaction;
+import org.apache.qpid.server.store.TransactionLogResource;
+
+/**
+ * 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;
+    }
+
+    public void enqueueMessage(TransactionLogResource queue, EnqueableMessage message) throws AMQStoreException
+    {
+        if (_throwExceptionOnQueueOp)
+        {
+            
+            throw new AMQStoreException("Mocked exception");
+        }
+        
+        _numberOfEnqueuedMessages++;
+    }
+
+    public int getNumberOfDequeuedMessages()
+    {
+        return _numberOfDequeuedMessages;
+    }
+
+    public int getNumberOfEnqueuedMessages()
+    {
+        return _numberOfEnqueuedMessages;
+    }
+
+    public void dequeueMessage(TransactionLogResource queue, EnqueableMessage message) throws AMQStoreException
+    {
+        if (_throwExceptionOnQueueOp)
+        {
+            throw new AMQStoreException("Mocked exception");
+        }
+        
+        _numberOfDequeuedMessages++;
+    }
+
+    public void commitTran() throws AMQStoreException
+    {
+        _state = TransactionState.COMMITTED;
+    }
+
+    public StoreFuture commitTranAsync() throws AMQStoreException
+    {
+        throw new NotImplementedException();
+    }
+
+    public void abortTran() throws AMQStoreException
+    {
+        _state = TransactionState.ABORTED;
+    }
+
+    public void removeXid(long format, byte[] globalId, byte[] branchId)
+    {
+    }
+
+    public void recordXid(long format, byte[] globalId, byte[] branchId, Record[] enqueues, Record[] dequeues)
+    {
+    }
+
+    public static MessageStore createTestTransactionLog(final MockStoreTransaction storeTransaction)
+    {
+        return new NullMessageStore()
+        {
+            @Override
+            public Transaction newTransaction()
+            {
+                storeTransaction.setState(TransactionState.STARTED);
+                return storeTransaction;
+            }
+
+            @Override
+            public String getStoreType()
+            {
+                return "TEST";
+            }
+       };
+    }
+}
+\ No newline at end of file