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/*
 *
 * 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.logging.LogSubject;
import org.apache.qpid.AMQStoreException;
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 AMQStoreException If the operation fails for any reason.
         */
        void enqueueMessage(TransactionLogResource queue, Long messageId) throws AMQStoreException;

        /**
         * 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 AMQStoreException If the operation fails for any reason, or if the specified message does not exist.
         */
        void dequeueMessage(TransactionLogResource queue, Long messageId) throws AMQStoreException;


        /**
         * Commits all operations performed within a given transactional context.
         *
         * @throws AMQStoreException If the operation fails for any reason.
         */
        void commitTran() throws AMQStoreException;

        /**
         * Commits all operations performed within a given transactional context.
         *
         * @throws AMQStoreException If the operation fails for any reason.
         */
        StoreFuture commitTranAsync() throws AMQStoreException;

        /**
         * Abandons all operations performed within a given transactional context.
         *
         * @throws AMQStoreException If the operation fails for any reason.
         */
        void abortTran() throws AMQStoreException;



    }

    public void configureTransactionLog(String name,
                      TransactionLogRecoveryHandler recoveryHandler,
                      Configuration storeConfiguration,
                      LogSubject logSubject) throws Exception;

    Transaction newTransaction();



    public static interface StoreFuture
    {
        boolean isComplete();

        void waitForCompletion();
    }
}