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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.action.IndicesRequest;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MetaDataMappingService;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.*;
import java.io.IOException;
/**
*
*/
public class NodeMappingRefreshAction extends AbstractComponent {
public static final String ACTION_NAME = "internal:cluster/node/mapping/refresh";
private final TransportService transportService;
private final MetaDataMappingService metaDataMappingService;
@Inject
public NodeMappingRefreshAction(Settings settings, TransportService transportService, MetaDataMappingService metaDataMappingService) {
super(settings);
this.transportService = transportService;
this.metaDataMappingService = metaDataMappingService;
transportService.registerRequestHandler(ACTION_NAME, NodeMappingRefreshRequest::new, ThreadPool.Names.SAME, new NodeMappingRefreshTransportHandler());
}
public void nodeMappingRefresh(final ClusterState state, final NodeMappingRefreshRequest request) {
final DiscoveryNodes nodes = state.nodes();
if (nodes.masterNode() == null) {
logger.warn("can't send mapping refresh for [{}], no master known.", request.index());
return;
}
transportService.sendRequest(nodes.masterNode(), ACTION_NAME, request, EmptyTransportResponseHandler.INSTANCE_SAME);
}
private class NodeMappingRefreshTransportHandler implements TransportRequestHandler<NodeMappingRefreshRequest> {
@Override
public void messageReceived(NodeMappingRefreshRequest request, TransportChannel channel) throws Exception {
metaDataMappingService.refreshMapping(request.index(), request.indexUUID());
channel.sendResponse(TransportResponse.Empty.INSTANCE);
}
}
public static class NodeMappingRefreshRequest extends TransportRequest implements IndicesRequest {
private String index;
private String indexUUID = IndexMetaData.INDEX_UUID_NA_VALUE;
private String nodeId;
public NodeMappingRefreshRequest() {
}
public NodeMappingRefreshRequest(String index, String indexUUID, String nodeId) {
this.index = index;
this.indexUUID = indexUUID;
this.nodeId = nodeId;
}
@Override
public String[] indices() {
return new String[]{index};
}
@Override
public IndicesOptions indicesOptions() {
return IndicesOptions.strictSingleIndexNoExpandForbidClosed();
}
public String index() {
return index;
}
public String indexUUID() {
return indexUUID;
}
public String nodeId() {
return nodeId;
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
out.writeString(index);
out.writeString(nodeId);
out.writeString(indexUUID);
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
index = in.readString();
nodeId = in.readString();
indexUUID = in.readString();
}
}
}
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