TransportRRAdminAction.java

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 * 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
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.elasticsearch.plugin.readonlyrest.es.rradmin;

import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.HandledTransportAction;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugin.readonlyrest.configuration.ReloadableSettings;
import org.elasticsearch.plugin.readonlyrest.configuration.SettingsContentProvider;
import org.elasticsearch.plugin.readonlyrest.es.ESClientSettingsContentProvider;
import org.elasticsearch.plugin.readonlyrest.es.ReloadableSettingsImpl;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;

public class TransportRRAdminAction extends HandledTransportAction<RRAdminRequest, RRAdminResponse> {

  private final SettingsContentProvider client;
  private final ReloadableSettings reloadableSettings;

  @Inject
  public TransportRRAdminAction(Settings settings, ThreadPool threadPool, TransportService transportService,
                                ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver,
                                NodeClient client, ReloadableSettingsImpl reloadableConfiguration) {
    super(settings, RRAdminAction.NAME, threadPool, transportService, actionFilters, indexNameExpressionResolver,
        RRAdminRequest::new);
    this.client = new ESClientSettingsContentProvider(client);
    this.reloadableSettings = reloadableConfiguration;
  }

  @Override
  protected void doExecute(RRAdminRequest request, ActionListener<RRAdminResponse> listener) {
    try {
      reloadableSettings.reload(client);
      listener.onResponse(new RRAdminResponse(null));
    } catch (Exception e) {
      listener.onResponse(new RRAdminResponse(e));
    }

  }
}