org.apache.rocketmq.broker.plugin.PullMessageResultHandler Maven / Gradle / Ivy

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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.rocketmq.broker.plugin;

import io.netty.channel.Channel;
import org.apache.rocketmq.remoting.protocol.RemotingCommand;
import org.apache.rocketmq.remoting.protocol.header.PullMessageRequestHeader;
import org.apache.rocketmq.remoting.protocol.heartbeat.SubscriptionData;
import org.apache.rocketmq.remoting.protocol.statictopic.TopicQueueMappingContext;
import org.apache.rocketmq.remoting.protocol.subscription.SubscriptionGroupConfig;
import org.apache.rocketmq.store.GetMessageResult;
import org.apache.rocketmq.store.MessageFilter;

public interface PullMessageResultHandler {

    /**
     * Handle result of get message from store.
     *
     * @param getMessageResult store result
     * @param request request
     * @param requestHeader request header
     * @param channel channel
     * @param subscriptionData sub data
     * @param subscriptionGroupConfig sub config
     * @param brokerAllowSuspend brokerAllowSuspend
     * @param messageFilter store message filter
     * @param response response
     * @return response or null
     */
    RemotingCommand handle(final GetMessageResult getMessageResult,
                           final RemotingCommand request,
                           final PullMessageRequestHeader requestHeader,
                           final Channel channel,
                           final SubscriptionData subscriptionData,
                           final SubscriptionGroupConfig subscriptionGroupConfig,
                           final boolean brokerAllowSuspend,
                           final MessageFilter messageFilter,
                           final RemotingCommand response,
                           final TopicQueueMappingContext mappingContext);
}