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Graylog

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/**
 * 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.results;

import com.google.common.collect.Maps;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.search.aggregations.bucket.histogram.Histogram;
import org.graylog2.indexer.searches.Searches;
import org.joda.time.DateTime;

import java.util.Map;

public class DateHistogramResult extends HistogramResult {
    private final Histogram result;
    private final Searches.DateHistogramInterval interval;

    public DateHistogramResult(Histogram result, String originalQuery, BytesReference builtQuery, Searches.DateHistogramInterval interval, TimeValue took) {
        super(originalQuery, builtQuery, took);

        this.result = result;
        this.interval = interval;
    }

    @Override
    public Searches.DateHistogramInterval getInterval() {
        return interval;
    }

    @Override
    public Map getResults() {
        Map results = Maps.newTreeMap();

        for (Histogram.Bucket bucket : result.getBuckets()) {
            final DateTime keyAsDate = (DateTime) bucket.getKey();
            results.put(keyAsDate.getMillis() / 1000L, bucket.getDocCount());
        }

        return results;
    }
}