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JPPF, the open source grid computing solution
/*
* JPPF.
* Copyright (C) 2005-2015 JPPF Team.
* http://www.jppf.org
*
* Licensed 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.jppf.execute;
import java.io.Serializable;
/**
* Instances of this class hold statistics about the execution of a tasks bundle.
* @author Laurent Cohen
* @exclude
*/
public class ExecutionInfo implements Serializable
{
/**
* Explicit serialVersionUID.
*/
private static final long serialVersionUID = 1L;
/**
* Total cpu time used by the tasks.
*/
public long cpuTime;
/**
* Total user time used by the tasks.
*/
public long userTime;
/**
* Default no-arg constructor.
*/
public ExecutionInfo()
{
this(0L, 0L);
}
/**
* Default no-args constructor.
* @param cpuTime total cpu time used by the tasks.
* @param userTime total user time used by the tasks.
*/
public ExecutionInfo(final long cpuTime, final long userTime)
{
this.cpuTime = cpuTime;
this.userTime = userTime;
}
/**
* Add the times of another instance to this one.
* @param other the other execution info object from which to add the values.
* @return this execution info.
*/
public ExecutionInfo add(final ExecutionInfo other)
{
cpuTime += other.cpuTime;
userTime += other.userTime;
return this;
}
/**
* Subtract the times of another instance from this one.
* @param other the other execution info object from which to subtract the values.
* @return this execution info.
*/
public ExecutionInfo subtract(final ExecutionInfo other)
{
cpuTime -= other.cpuTime;
userTime -= other.userTime;
return this;
}
}
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