content: /*
   * 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.activemq.artemis.utils.critical;
  
  /**
   * This is not abstract as it could be used through aggregations or extensions. This is only good for cases where you
   * call leave within the same thread as you called enter.
   */
  public class CriticalComponentImpl implements CriticalComponent {
  
     private final CriticalMeasure[] measures;
     private final CriticalAnalyzer analyzer;
  
     @Override
     public CriticalAnalyzer getCriticalAnalyzer() {
        return analyzer;
     }
  
     public CriticalComponentImpl(CriticalAnalyzer analyzer, int numberOfPaths) {
        if (analyzer == null) {
           analyzer = EmptyCriticalAnalyzer.getInstance();
        }
        this.analyzer = analyzer;
  
        if (analyzer.isMeasuring()) {
           measures = new CriticalMeasure[numberOfPaths];
           for (int i = 0; i < numberOfPaths; i++) {
              measures[i] = new CriticalMeasure(this, i);
           }
        } else {
           measures = null;
        }
     }
  
     @Override
     public CriticalCloseable measureCritical(int path) {
        if (!analyzer.isMeasuring()) {
           return CriticalMeasure.dummyCloseable;
        } else {
           return measures[path].measure();
        }
     }
  
     protected void enterCritical(int path) {
        if (analyzer.isMeasuring()) {
           measures[path].enterCritical();
        }
     }
  
     protected void leaveCritical(int path) {
        if (analyzer.isMeasuring()) {
           measures[path].leaveCritical();
        }
     }
  
  
     @Override
     public boolean checkExpiration(long timeout, boolean reset) {
        for (int i = 0; i < measures.length; i++) {
           if (measures[i].checkExpiration(timeout, reset)) {
              return true;
           }
        }
        return false;
     }
  
  }
  