org.elasticsearch.cluster.action.index.MappingUpdatedAction Maven / Gradle / Ivy

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/*
 * Licensed to Elastic Search and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Elastic Search 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.elasticsearch.cluster.action.index;

import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ActionRequestValidationException;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.support.master.MasterNodeOperationRequest;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.metadata.MetaDataService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import org.elasticsearch.util.inject.Inject;
import org.elasticsearch.util.io.stream.StreamInput;
import org.elasticsearch.util.io.stream.StreamOutput;
import org.elasticsearch.util.settings.Settings;

import java.io.IOException;

/**
 * Called by shards in the cluster when their mapping was dynamically updated and it needs to be updated
 * in the cluster state meta data (and broadcast to all members).
 *
 * @author kimchy (Shay Banon)
 */
public class MappingUpdatedAction extends TransportMasterNodeOperationAction {

    private final MetaDataService metaDataService;

    @Inject public MappingUpdatedAction(Settings settings, TransportService transportService, ClusterService clusterService, ThreadPool threadPool,
                                        MetaDataService metaDataService) {
        super(settings, transportService, clusterService, threadPool);
        this.metaDataService = metaDataService;
    }

    @Override protected String transportAction() {
        return "cluster/mappingUpdated";
    }

    @Override protected MappingUpdatedRequest newRequest() {
        return new MappingUpdatedRequest();
    }

    @Override protected MappingUpdatedResponse newResponse() {
        return new MappingUpdatedResponse();
    }

    @Override protected MappingUpdatedResponse masterOperation(MappingUpdatedRequest request) throws ElasticSearchException {
        metaDataService.updateMapping(request.index(), request.type(), request.mappingSource());
        return new MappingUpdatedResponse();
    }

    public static class MappingUpdatedResponse implements ActionResponse {
        @Override public void readFrom(StreamInput in) throws IOException {
        }

        @Override public void writeTo(StreamOutput out) throws IOException {
        }
    }

    public static class MappingUpdatedRequest extends MasterNodeOperationRequest {

        private String index;

        private String type;

        private String mappingSource;

        MappingUpdatedRequest() {
        }

        public MappingUpdatedRequest(String index, String type, String mappingSource) {
            this.index = index;
            this.type = type;
            this.mappingSource = mappingSource;
        }

        public String index() {
            return index;
        }

        public String type() {
            return type;
        }

        public String mappingSource() {
            return mappingSource;
        }

        @Override public ActionRequestValidationException validate() {
            return null;
        }

        @Override public void readFrom(StreamInput in) throws IOException {
            super.readFrom(in);
            index = in.readUTF();
            type = in.readUTF();
            mappingSource = in.readUTF();
        }

        @Override public void writeTo(StreamOutput out) throws IOException {
            super.writeTo(out);
            out.writeUTF(index);
            out.writeUTF(type);
            out.writeUTF(mappingSource);
        }
    }
}