org.apache.solr.util.RTimerTree Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.solr.util;
import java.util.Map;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.common.util.SimpleOrderedMap;
/** A recursive timer.
*
* RTimerTree's are started automatically when instantiated; sub-timers are also
* started automatically when created.
*/
public class RTimerTree extends RTimer {
protected SimpleOrderedMap children;
public RTimerTree() {
children = new SimpleOrderedMap<>();
}
/** Recursively stop timer and sub timers */
@Override
public double stop() {
double time = super.stop();
for( Map.Entry entry : children ) {
RTimer child = entry.getValue();
if(child.state == STARTED || child.state == PAUSED)
child.stop();
}
return time;
}
protected RTimerTree newTimer() {
return new RTimerTree();
}
/**
* Returns a subtimer given its name.
* If the subtimer did not exist a new subtimer will be started and returned,
* otherwise an existing subtimer will be returned as-is.
*/
public RTimerTree sub(String desc) {
RTimerTree child = children.get( desc );
if( child == null ) {
child = newTimer();
children.add(desc, child);
}
return child;
}
@Override
public String toString() {
return asNamedList().toString();
}
public NamedList asNamedList() {
NamedList