com.sun.btrace.aggregation.Maximum Maven / Gradle / Ivy
/*
* Copyright 2008-2010 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package com.sun.btrace.aggregation;
/**
* Aggregation function for computing the maximum value.
*
*
* @author Christian Glencross
*/
class Maximum implements AggregationValue {
long max = Long.MIN_VALUE;
@Override
public synchronized void clear() {
max = Integer.MIN_VALUE;
}
@Override
public synchronized void add(long value) {
if (value > max) {
max = value;
}
}
public synchronized long getValue() {
return max;
}
public Object getData() {
return Long.valueOf(getValue());
}
}