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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.dashboards.widgets;
import com.codahale.metrics.MetricRegistry;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Maps;
import org.graylog2.indexer.results.CountResult;
import org.graylog2.indexer.searches.Searches;
import org.graylog2.indexer.searches.timeranges.AbsoluteRange;
import org.graylog2.indexer.searches.timeranges.RelativeRange;
import org.graylog2.indexer.searches.timeranges.TimeRange;
import org.joda.time.DateTime;
import org.joda.time.Seconds;
import java.util.Map;
public class SearchResultCountWidget extends DashboardWidget {
protected final Searches searches;
protected final String query;
protected final TimeRange timeRange;
protected final Boolean trend;
protected final Boolean lowerIsBetter;
public SearchResultCountWidget(MetricRegistry metricRegistry, Searches searches, String id, String description, int cacheTime, Map config, String query, TimeRange timeRange, String creatorUserId) {
this(metricRegistry, Type.SEARCH_RESULT_COUNT, searches, id, description, cacheTime, config, query, timeRange, creatorUserId);
}
protected SearchResultCountWidget(MetricRegistry metricRegistry, Type type, Searches searches, String id, String description, int cacheTime, Map config, String query, TimeRange timeRange, String creatorUserId) {
super(metricRegistry, type, id, description, cacheTime, config, creatorUserId);
this.searches = searches;
this.query = query;
this.timeRange = timeRange;
this.trend = config.get("trend") != null && Boolean.parseBoolean(String.valueOf(config.get("trend")));
this.lowerIsBetter = config.get("lower_is_better") != null && Boolean.parseBoolean(String.valueOf(config.get("lower_is_better")));
}
protected Searches getSearches() {
return searches;
}
public TimeRange getTimeRange() {
return timeRange;
}
@Override
public Map getPersistedConfig() {
return ImmutableMap.builder()
.put("query", query)
.put("timerange", timeRange.getPersistedConfig())
.put("trend", trend)
.put("lower_is_better", lowerIsBetter)
.build();
}
@Override
protected ComputationResult compute() {
return computeInternal(null);
}
protected ComputationResult computeInternal(String filter) {
CountResult cr = searches.count(query, timeRange, filter);
if (trend && timeRange instanceof RelativeRange) {
DateTime toPrevious = timeRange.getFrom();
DateTime fromPrevious = toPrevious.minus(Seconds.seconds(((RelativeRange) timeRange).getRange()));
TimeRange previousTimeRange = new AbsoluteRange(fromPrevious, toPrevious);
CountResult previousCr = searches.count(query, previousTimeRange);
Map results = Maps.newHashMap();
results.put("now", cr.getCount());
results.put("previous", previousCr.getCount());
long tookMs = cr.getTookMs() + previousCr.getTookMs();
return new ComputationResult(results, tookMs);
} else {
return new ComputationResult(cr.getCount(), cr.getTookMs());
}
}
}