org.glassfish.external.statistics.impl.BoundaryStatisticImpl Maven / Gradle / Ivy
/*
* Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.glassfish.external.statistics.impl;
import org.glassfish.external.statistics.BoundaryStatistic;
import java.util.Map;
import java.lang.reflect.*;
/**
* @author Sreenivas Munnangi
*/
public final class BoundaryStatisticImpl extends StatisticImpl
implements BoundaryStatistic, InvocationHandler {
private final long lowerBound;
private final long upperBound;
private final BoundaryStatistic bs =
(BoundaryStatistic) Proxy.newProxyInstance(
BoundaryStatistic.class.getClassLoader(),
new Class[] { BoundaryStatistic.class },
this);
public BoundaryStatisticImpl(long lower, long upper, String name,
String unit, String desc, long startTime,
long sampleTime) {
super(name, unit, desc, startTime, sampleTime);
upperBound = upper;
lowerBound = lower;
}
public synchronized BoundaryStatistic getStatistic() {
return bs;
}
public synchronized Map getStaticAsMap() {
Map m = super.getStaticAsMap();
m.put("lowerbound", getLowerBound());
m.put("upperbound", getUpperBound());
return m;
}
public synchronized long getLowerBound() {
return lowerBound;
}
public synchronized long getUpperBound() {
return upperBound;
}
@Override
public synchronized void reset() {
super.reset();
sampleTime = -1L;
}
// todo: equals implementation
public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
checkMethod(m);
Object result;
try {
result = m.invoke(this, args);
} catch (InvocationTargetException e) {
throw e.getTargetException();
} catch (Exception e) {
throw new RuntimeException("unexpected invocation exception: " +
e.getMessage());
}
return result;
}
}