de.kumpe.hadooptimizer.impl
Class ComputingTimeLimitHalter<I>

java.lang.Object
  de.kumpe.hadooptimizer.impl.ComputingTimeLimitHalter<I>

Type Parameters:

I - the individuals' type

All Implemented Interfaces:

Halter<I>, Stoppable, Serializable

public final class ComputingTimeLimitHalter<I>
extends Object
implements Halter<I>, Stoppable

A Halter which halts after a given amount computation time.

Author:

Christian Kumpe

See Also:

Serialized Form

Constructor Summary

ComputingTimeLimitHalter(long limit)
Creates a new ComputingTimeLimitHalter halting after the specified number of nanoseconds.

Method Summary

boolean	halt(Collection<EvaluationResult<I>> evaluationResults) Decides whether to stop or continue the evolution cycle.
void	stop() Is called once to tell the Halter the stop the evoltion cycle at the end of the current iteration.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ComputingTimeLimitHalter

public ComputingTimeLimitHalter(long limit)

Creates a new ComputingTimeLimitHalter halting after the specified number of nanoseconds.

Parameters:

limit - the allowed computation time in nanoseconds

Method Detail

halt

public boolean halt(Collection<EvaluationResult<I>> evaluationResults)

Description copied from interface: Halter

Decides whether to stop or continue the evolution cycle.

Specified by:

halt in interface Halter<I>

Parameters:

evaluationResults - the EvaluationResults of the parents for the next generation

Returns:

true to stop the evolution cycle, false to continue

stop

public void stop()

Description copied from interface: Stoppable

Is called once to tell the Halter the stop the evoltion cycle at the end of the current iteration.

Specified by:

stop in interface Stoppable

toString

public String toString()

Overrides:

toString in class Object