| /* |
| * 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<RTimerTree> children; |
| |
| public RTimerTree() { |
| children = new SimpleOrderedMap<>(); |
| } |
| |
| /** Recursively stop timer and sub timers */ |
| @Override |
| public double stop() { |
| double time = super.stop(); |
| |
| for( Map.Entry<String,RTimerTree> 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(); |
| } |
| |
| @SuppressWarnings({"rawtypes"}) |
| public NamedList asNamedList() { |
| NamedList<Object> m = new SimpleOrderedMap<>(); |
| m.add( "time", getTime() ); |
| if( children.size() > 0 ) { |
| for( Map.Entry<String, RTimerTree> entry : children ) { |
| m.add( entry.getKey(), entry.getValue().asNamedList() ); |
| } |
| } |
| return m; |
| } |
| |
| /** |
| * Manipulating this map may have undefined results. |
| */ |
| public SimpleOrderedMap<RTimerTree> getChildren() |
| { |
| return children; |
| } |
| } |