org.cip4.jdflib.util.thread

Class TimeSweeper

java.lang.Object

org.cip4.jdflib.util.thread.TimeSweeper

All Implemented Interfaces:

Sweeper

public class TimeSweeper
extends Object
implements Sweeper

class that sweeps at a regular interval - useful in case multiple sweepers with differing timing requirements are run

Author:

rainer prosi

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	log
protected long	nSweep
protected Runnable	runner
protected long	t0

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TimeSweeper(int interval)
	TimeSweeper(int interval, Runnable runner)

Method Summary

Methods

Modifier and Type	Method and Description
Class<?>	getRunnerClass() get the subclass or class of the runner
boolean	needSweep() if true we want to sweep
protected void	setFirstInterval(int interval)
protected void	setInterval(int interval)
boolean	sweep() default is nop or runner.run
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

log

protected org.apache.commons.logging.Log log

t0

protected long t0

nSweep

protected long nSweep

runner

protected Runnable runner

Constructor Detail

TimeSweeper

protected TimeSweeper(int interval)

Parameters:

interval - the time interval in seconds

TimeSweeper

public TimeSweeper(int interval,
           Runnable runner)

Parameters:

interval - the time interval in seconds

runner - the runnable to run

Method Detail

setInterval

protected void setInterval(int interval)

Parameters:

interval - in seconds

setFirstInterval

protected void setFirstInterval(int interval)

Parameters:

interval - in seconds

getRunnerClass

public Class<?> getRunnerClass()

get the subclass or class of the runner

Returns:

needSweep

public boolean needSweep()

if true we want to sweep

Specified by:

needSweep in interface Sweeper

Returns:

See Also:

Sweeper.needSweep()

sweep

public boolean sweep()

default is nop or runner.run

Specified by:

sweep in interface Sweeper

Returns:

true if all went well

See Also:

Sweeper.sweep()

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()