org.elasticsearch.action.support.master.info.TransportClusterInfoAction Maven / Gradle / Ivy
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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.action.support.master.info;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.master.TransportMasterNodeReadAction;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.function.Supplier;
/**
*/
public abstract class TransportClusterInfoAction, Response extends ActionResponse>
extends TransportMasterNodeReadAction {
public TransportClusterInfoAction(Settings settings, String actionName, TransportService transportService,
ClusterService clusterService, ThreadPool threadPool, ActionFilters actionFilters,
IndexNameExpressionResolver indexNameExpressionResolver, Supplier request) {
super(settings, actionName, transportService, clusterService, threadPool, actionFilters, indexNameExpressionResolver, request);
}
@Override
protected String executor() {
// read operation, lightweight...
return ThreadPool.Names.SAME;
}
@Override
protected final void masterOperation(final Request request, final ClusterState state, final ActionListener listener) {
String[] concreteIndices = indexNameExpressionResolver.concreteIndexNames(state, request);
doMasterOperation(request, concreteIndices, state, listener);
}
protected abstract void doMasterOperation(Request request, String[] concreteIndices, ClusterState state, final ActionListener listener);
}