| /* |
| * |
| * 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.message.EnqueableMessage; |
| import org.apache.qpid.server.store.MessageStore; |
| import org.apache.qpid.server.store.MessageStore.StoreFuture; |
| import org.apache.qpid.server.store.MessageStore.Transaction; |
| import org.apache.qpid.server.store.MessageStoreRecoveryHandler; |
| import org.apache.qpid.server.store.StorableMessageMetaData; |
| import org.apache.qpid.server.store.StoredMessage; |
| import org.apache.qpid.server.store.TransactionLogRecoveryHandler; |
| 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 MessageStore() |
| { |
| public void configureMessageStore(final String name, |
| final MessageStoreRecoveryHandler recoveryHandler, |
| final Configuration config, |
| final LogSubject logSubject) throws Exception |
| { |
| //TODO. |
| } |
| |
| public void close() throws Exception |
| { |
| //TODO. |
| } |
| |
| public <T extends StorableMessageMetaData> StoredMessage<T> addMessage(final T metaData) |
| { |
| return null; //TODO. |
| } |
| |
| public boolean isPersistent() |
| { |
| return false; //TODO. |
| } |
| |
| public void configureTransactionLog(String name, TransactionLogRecoveryHandler recoveryHandler, |
| Configuration storeConfiguration, LogSubject logSubject) throws Exception |
| { |
| } |
| |
| public Transaction newTransaction() |
| { |
| storeTransaction.setState(TransactionState.STARTED); |
| return storeTransaction; |
| } |
| |
| }; |
| } |
| } |