org.ten60.netkernel.layer1.meta
Class TimedExpiryDependencyMeta

java.lang.Object
  org.ten60.netkernel.layer1.meta.DependencyMeta
      org.ten60.netkernel.layer1.meta.TimedExpiryDependencyMeta

All Implemented Interfaces:

IURMeta, IHasDependencies

public class TimedExpiryDependencyMeta
extends DependencyMeta

A Dependency Meta (for cost) but with a specific expiry time - i.e. it ignores expiry of it's dependents

Field Summary

Fields inherited from class org.ten60.netkernel.layer1.meta.DependencyMeta

sDebugFlag, sEmpty

Constructor Summary

TimedExpiryDependencyMeta(java.lang.String aMimeType, long aExpiryTime, int aCreationCost)
Creates a new instance of TimedExpiryMeta

Method Summary

boolean	canIndependentlyExpire() return true if this meta can expire independently of its dependencies
IURMeta[]	getExpiryDependenciesRecursive() get recursive list of expiry dependencies
long	getPessimisticExpiryTime() recursively calculate the pessimistic expiry time
boolean	isExpired() recursive evaluation of isExpired by looking at dependencies
java.lang.String	toString()

Methods inherited from class org.ten60.netkernel.layer1.meta.DependencyMeta

getContextSensitivity, getCostDependenciesRecursive, getCreationCost, getDirectDependencies, getLocalCreationCost, getMimeType, getUsageCost, isIntermediate, setDebugString, setDependencies, setIntermediate, setMimeType

Methods inherited from class java.lang.Object

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

Constructor Detail

TimedExpiryDependencyMeta

public TimedExpiryDependencyMeta(java.lang.String aMimeType,
                                 long aExpiryTime,
                                 int aCreationCost)

Creates a new instance of TimedExpiryMeta

Method Detail

getPessimisticExpiryTime

public long getPessimisticExpiryTime()

Description copied from class: DependencyMeta

recursively calculate the pessimistic expiry time

Specified by:

getPessimisticExpiryTime in interface IURMeta

Overrides:

getPessimisticExpiryTime in class DependencyMeta

isExpired

public boolean isExpired()

Description copied from class: DependencyMeta

recursive evaluation of isExpired by looking at dependencies

Specified by:

isExpired in interface IURMeta

Overrides:

isExpired in class DependencyMeta

canIndependentlyExpire

public boolean canIndependentlyExpire()

Description copied from interface: IHasDependencies

return true if this meta can expire independently of its dependencies

Specified by:

canIndependentlyExpire in interface IHasDependencies

Overrides:

canIndependentlyExpire in class DependencyMeta

toString

public java.lang.String toString()

Overrides:

toString in class DependencyMeta

getExpiryDependenciesRecursive

public IURMeta[] getExpiryDependenciesRecursive()

Description copied from interface: IHasDependencies

get recursive list of expiry dependencies

Specified by:

getExpiryDependenciesRecursive in interface IHasDependencies

Overrides:

getExpiryDependenciesRecursive in class DependencyMeta