org.apache.activemq.artemis.utils.critical.CriticalComponentImpl 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.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 void enterCritical(int path) {
if (analyzer.isMeasuring()) {
measures[path].enterCritical();
}
}
@Override
public void leaveCritical(int path) {
if (analyzer.isMeasuring()) {
measures[path].leaveCritical();
}
}
@Override
public boolean isExpired(long timeout) {
for (int i = 0; i < measures.length; i++) {
if (measures[i].isExpired(timeout)) {
return true;
}
}
return false;
}
}