grph

Class GrphAlgorithmCache<E>

java.lang.Object

grph.GrphAlgorithm<E>

grph.GrphAlgorithmCache<E>

Type Parameters:

E - the result type of the algorithm, which is the same as the result type of the underfyling algorithm

All Implemented Interfaces:

java.io.Serializable

public class GrphAlgorithmCache<E>
extends GrphAlgorithm<E>

A graph algorithm wrapper that cache the result computed by its underlying algorithm.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GrphAlgorithmCache(Grph graph, GrphAlgorithm<E> algo)

Method Summary

Modifier and Type	Method and Description
E	compute(Grph g)
long	getAvgTimeRequiredForComputing()
GrphAlgorithm<E>	getCachedAlgorithm() Returns the underlying algorithm.
E	getCachedValue()
long	getNumberOfTimesAComputationWasPerformed()
long	getNumberOfTimesTheCacheWasUsed()
java.lang.String	getSourceCode()
long	getTimeRequiredForComputingIfCacheWereNotUsed()
long	getTimeSpentComputing()
long	getTotalNumberOfCallsFor()
void	invalidateCachedValue()
boolean	isCachedValueValid()
boolean	isCacheEnabled()
void	setCachedValue(E v)
void	setCacheEnabled(boolean enabled)

Methods inherited from class grph.GrphAlgorithm

cacheResultForGraph

Methods inherited from class java.lang.Object

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

Constructor Detail

GrphAlgorithmCache

public GrphAlgorithmCache(Grph graph,
                          GrphAlgorithm<E> algo)

Method Detail

getCachedValue

public E getCachedValue()

getCachedAlgorithm

public GrphAlgorithm<E> getCachedAlgorithm()

Returns the underlying algorithm.

Returns:

the underlying algorithm

getSourceCode

public java.lang.String getSourceCode()

Overrides:

getSourceCode in class GrphAlgorithm<E>

invalidateCachedValue

public void invalidateCachedValue()

isCachedValueValid

public final boolean isCachedValueValid()

getTimeSpentComputing

public final long getTimeSpentComputing()

getNumberOfTimesTheCacheWasUsed

public final long getNumberOfTimesTheCacheWasUsed()

getAvgTimeRequiredForComputing

public final long getAvgTimeRequiredForComputing()

getTotalNumberOfCallsFor

public final long getTotalNumberOfCallsFor()

getTimeRequiredForComputingIfCacheWereNotUsed

public final long getTimeRequiredForComputingIfCacheWereNotUsed()

getNumberOfTimesAComputationWasPerformed

public final long getNumberOfTimesAComputationWasPerformed()

isCacheEnabled

public boolean isCacheEnabled()

setCacheEnabled

public void setCacheEnabled(boolean enabled)

compute

public E compute(Grph g)

Specified by:

compute in class GrphAlgorithm<E>

setCachedValue

public void setCachedValue(E v)