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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.profile;
import org.elasticsearch.common.util.Maps;
import java.util.Collections;
import java.util.Map;
import static java.util.Collections.emptyMap;
/**
* A record of timings for the various operations that may happen during query execution.
* A node's time may be composed of several internal attributes (rewriting, weighting,
* scoring, etc).
*/
public abstract class AbstractProfileBreakdown> {
/**
* The accumulated timings for this query node
*/
private final Timer[] timings;
private final T[] timingTypes;
/** Sole constructor. */
public AbstractProfileBreakdown(Class clazz) {
this.timingTypes = clazz.getEnumConstants();
timings = new Timer[timingTypes.length];
for (int i = 0; i < timings.length; ++i) {
timings[i] = new Timer();
}
}
public Timer getTimer(T timing) {
return timings[timing.ordinal()];
}
public void setTimer(T timing, Timer timer) {
timings[timing.ordinal()] = timer;
}
/**
* Build a timing count breakdown.
*/
public final Map toBreakdownMap() {
Map map = Maps.newMapWithExpectedSize(timings.length * 2);
for (T timingType : timingTypes) {
map.put(timingType.toString(), timings[timingType.ordinal()].getApproximateTiming());
map.put(timingType.toString() + "_count", timings[timingType.ordinal()].getCount());
}
return Collections.unmodifiableMap(map);
}
/**
* Fetch extra debugging information.
*/
protected Map toDebugMap() {
return emptyMap();
}
public final long toNodeTime() {
long total = 0;
for (T timingType : timingTypes) {
total += timings[timingType.ordinal()].getApproximateTiming();
}
return total;
}
}