io.druid.query.QueryMetricUtil.java Source code

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Here is the source code for io.druid.query.QueryMetricUtil.java

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/*
 * Druid - a distributed column store.
 * Copyright (C) 2012, 2013, 2014  Metamarkets Group Inc.
 *
 * This program 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 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package io.druid.query;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import com.metamx.emitter.service.ServiceMetricEvent;
import org.joda.time.Interval;

/**
 */
public class QueryMetricUtil {
    public static <T> ServiceMetricEvent.Builder makeQueryTimeMetric(Query<T> query) {
        return new ServiceMetricEvent.Builder().setUser2(DataSourceUtil.getMetricName(query.getDataSource()))
                .setUser4(query.getType())
                .setUser5(Lists.transform(query.getIntervals(), new Function<Interval, String>() {
                    @Override
                    public String apply(Interval input) {
                        return input.toString();
                    }
                }).toArray(new String[query.getIntervals().size()])).setUser6(String.valueOf(query.hasFilters()))
                .setUser9(query.getDuration().toPeriod().toStandardMinutes().toString());
    }

    public static <T> ServiceMetricEvent.Builder makeRequestTimeMetric(final ObjectMapper jsonMapper,
            final Query<T> query, final String remoteAddr) throws JsonProcessingException {
        return makeQueryTimeMetric(query)
                .setUser3(jsonMapper
                        .writeValueAsString(query.getContext() == null ? ImmutableMap.of() : query.getContext()))
                .setUser7(remoteAddr).setUser8(query.getId());
    }
}