Package io.crate.executor.transport

Source Code of io.crate.executor.transport.DistributedResultRequestHandler

/*
* Licensed to CRATE Technology GmbH ("Crate") under one or more contributor
* license agreements.  See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.  Crate 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.
*
* However, if you have executed another commercial license agreement
* with Crate these terms will supersede the license and you may use the
* software solely pursuant to the terms of the relevant commercial agreement.
*/

package io.crate.executor.transport;

import io.crate.executor.transport.distributed.DistributedRequestContextManager;
import io.crate.executor.transport.distributed.DistributedResultRequest;
import io.crate.executor.transport.distributed.DistributedResultResponse;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.BaseTransportRequestHandler;
import org.elasticsearch.transport.TransportChannel;

public class DistributedResultRequestHandler extends BaseTransportRequestHandler<DistributedResultRequest> {

    private final DistributedRequestContextManager contextManager;

    public DistributedResultRequestHandler(DistributedRequestContextManager contextManager) {
        this.contextManager = contextManager;
    }

    @Override
    public DistributedResultRequest newInstance() {
        return new DistributedResultRequest(contextManager);
    }

    @Override
    public void messageReceived(DistributedResultRequest request, TransportChannel channel) throws Exception {
        try {
            contextManager.addToContext(request);
            channel.sendResponse(new DistributedResultResponse());
        } catch (Exception ex) {
            channel.sendResponse(ex);
        }
    }

    @Override
    public String executor() {
        return ThreadPool.Names.SEARCH;
    }
}
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