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Graylog

There is a newer version: 6.0.6

/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see .
 */
package org.graylog2.indexer.counts;

import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.client.Client;
import org.graylog2.indexer.Deflector;

import javax.inject.Inject;
import javax.inject.Singleton;

@Singleton
public class Counts {
    private final Client c;
    private final Deflector deflector;

    @Inject
    public Counts(Client client, Deflector deflector) {
        this.c = client;
        this.deflector = deflector;
    }

    public long total() {
        final SearchRequest request = c.prepareSearch(deflector.getAllDeflectorIndexNames())
                .setSize(0)
                .request();
        return c.search(request).actionGet().getHits().totalHits();
    }
}