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This OSGi bundle wraps ${pkgArtifactId} ${pkgVersion} jar file.
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* 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
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.suggest.stats;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.metrics.CounterMetric;
import org.elasticsearch.common.metrics.MeanMetric;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.settings.IndexSettings;
import org.elasticsearch.index.shard.AbstractIndexShardComponent;
import org.elasticsearch.index.shard.ShardId;
import java.util.concurrent.TimeUnit;
/**
*
*/
public class ShardSuggestService extends AbstractIndexShardComponent {
private final MeanMetric suggestMetric = new MeanMetric();
private final CounterMetric currentMetric = new CounterMetric();
@Inject
public ShardSuggestService(ShardId shardId, @IndexSettings Settings indexSettings) {
super(shardId, indexSettings);
}
/**
* Called before suggest
*/
public void preSuggest() {
currentMetric.inc();
}
/**
* Called after suggest
* @param tookInNanos time of suggest used in nanos
*/
public void postSuggest(long tookInNanos) {
currentMetric.dec();
suggestMetric.inc(tookInNanos);
}
/**
* @return The current stats
*/
public SuggestStats stats() {
return new SuggestStats(suggestMetric.count(), TimeUnit.NANOSECONDS.toMillis(suggestMetric.sum()), currentMetric.count());
}
}