org.elasticsearch.action.admin.indices.mapping.get.TransportGetFieldMappingsAction 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
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 * under the License.
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package org.elasticsearch.action.admin.indices.mapping.get;

import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.HandledTransportAction;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.transport.TransportService;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReferenceArray;

import static java.util.Collections.emptyMap;
import static java.util.Collections.unmodifiableMap;

public class TransportGetFieldMappingsAction extends HandledTransportAction {

    private final ClusterService clusterService;
    private final TransportGetFieldMappingsIndexAction shardAction;
    private final IndexNameExpressionResolver indexNameExpressionResolver;

    @Inject
    public TransportGetFieldMappingsAction(TransportService transportService, ClusterService clusterService,
                                           TransportGetFieldMappingsIndexAction shardAction,
                                           ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
        super(GetFieldMappingsAction.NAME, transportService, actionFilters, GetFieldMappingsRequest::new);
        this.clusterService = clusterService;
        this.shardAction = shardAction;
        this.indexNameExpressionResolver = indexNameExpressionResolver;
    }

    @Override
    protected void doExecute(Task task, GetFieldMappingsRequest request, final ActionListener listener) {
        ClusterState clusterState = clusterService.state();
        String[] concreteIndices = indexNameExpressionResolver.concreteIndexNames(clusterState, request);
        final AtomicInteger indexCounter = new AtomicInteger();
        final AtomicInteger completionCounter = new AtomicInteger(concreteIndices.length);
        final AtomicReferenceArray