/*
* 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.usergrid.persistence.qakka.distributed;
import org.apache.usergrid.persistence.qakka.serialization.queuemessages.DatabaseQueueMessage;
import java.util.Collection;
import java.util.UUID;
/**
* Interface to distributed part of Qakka queue implementation.
*/
public interface DistributedQueueService {
enum Status { SUCCESS, ERROR, BAD_REQUEST, NOT_INFLIGHT };
void init();
void refresh();
void shutdown();
void refreshQueue(String queueName);
void processTimeouts();
Status sendMessageToRegion(
String queueName,
String sourceRegion,
String destRegion,
UUID messageId,
Long deliveryTime,
Long expirationTime);
Collection<DatabaseQueueMessage> getNextMessages(String queueName, int numMessages);
Status ackMessage(String queueName, UUID messageId);
Status requeueMessage(String queueName, UUID messageId);
}