org.elasticsearch.action.admin.cluster.node.liveness.TransportLivenessAction Maven / Gradle / Ivy
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.admin.cluster.node.liveness;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportChannel;
import org.elasticsearch.transport.TransportRequestHandler;
import org.elasticsearch.transport.TransportService;
public final class TransportLivenessAction implements TransportRequestHandler {
private final ClusterService clusterService;
public static final String NAME = "cluster:monitor/nodes/liveness";
@Inject
public TransportLivenessAction(ClusterService clusterService, TransportService transportService) {
this.clusterService = clusterService;
transportService.registerRequestHandler(
NAME,
ThreadPool.Names.SAME,
false,
false /*can not trip circuit breaker*/,
LivenessRequest::new,
this
);
}
@Override
public void messageReceived(LivenessRequest request, TransportChannel channel, Task task) throws Exception {
channel.sendResponse(new LivenessResponse(clusterService.getClusterName(), clusterService.localNode()));
}
}