1 files changed, 92 insertions, 0 deletions
diff --git a/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/store/TransactionLog.java b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/store/TransactionLog.java
new file mode 100755
index 0000000000..e6a33e23d6
--- /dev/null
+++ b/trunk/qpid/java/broker/src/main/java/org/apache/qpid/server/store/TransactionLog.java
@@ -0,0 +1,92 @@
+/*
+ *
+ * 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.store;
+
+import org.apache.qpid.server.queue.AMQQueue;
+import org.apache.qpid.server.logging.LogSubject;
+import org.apache.qpid.AMQException;
+import org.apache.commons.configuration.Configuration;
+
+public interface TransactionLog
+{
+
+    public static interface Transaction
+    {
+        /**
+         * Places a message onto a specified queue, in a given transactional context.
+         *
+         * @param queue     The queue to place the message on.
+         * @param messageId The message to enqueue.
+         * @throws org.apache.qpid.AMQException If the operation fails for any reason.
+         */
+        void enqueueMessage(TransactionLogResource queue, Long messageId) throws AMQException;
+
+        /**
+         * Extracts a message from a specified queue, in a given transactional context.
+         *
+         * @param queue     The queue to place the message on.
+         * @param messageId The message to dequeue.
+         * @throws org.apache.qpid.AMQException If the operation fails for any reason, or if the specified message does not exist.
+         */
+        void dequeueMessage(TransactionLogResource queue, Long messageId) throws AMQException;
+
+
+        /**
+         * Commits all operations performed within a given transactional context.
+         *
+         * @throws org.apache.qpid.AMQException If the operation fails for any reason.
+         */
+        void commitTran() throws AMQException;
+
+        /**
+         * Commits all operations performed within a given transactional context.
+         *
+         * @throws org.apache.qpid.AMQException If the operation fails for any reason.
+         */
+        StoreFuture commitTranAsync() throws AMQException;
+
+        /**
+         * Abandons all operations performed within a given transactional context.
+         *
+         * @throws org.apache.qpid.AMQException If the operation fails for any reason.
+         */
+        void abortTran() throws AMQException;
+
+
+
+    }
+
+    public void configureTransactionLog(String name,
+                      TransactionLogRecoveryHandler recoveryHandler,
+                      Configuration storeConfiguration,
+                      LogSubject logSubject) throws Exception;
+
+    Transaction newTransaction();
+
+
+
+    public static interface StoreFuture
+    {
+        boolean isComplete();
+
+        void waitForCompletion();
+    }
+}