Package org.jclouds.compute.predicates.internal

Class TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse<S extends Enum<S>,C extends ComputeMetadataIncludingStatus<S>>

java.lang.Object

org.jclouds.compute.predicates.internal.TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse<S,C>

All Implemented Interfaces:

com.google.common.base.Predicate<AtomicReference<C>>, Predicate<AtomicReference<C>>

Direct Known Subclasses:

AtomicImageDeleted, AtomicNodeTerminated

public abstract class TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse<S extends Enum<S>,C extends ComputeMetadataIncludingStatus<S>>
extends Object
implements com.google.common.base.Predicate<AtomicReference<C>>

Field Summary

Fields

Modifier and Type	Field	Description
protected S	deletedStatus
protected Logger	logger

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse(S deletedStatus)

Method Summary

Modifier and Type	Method	Description
boolean	apply(AtomicReference<C> atomicResource)
boolean	checkStatus(C resource)
protected abstract C	refreshOrNull(C resource)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Predicate

equals, test

Methods inherited from interface java.util.function.Predicate

and, negate, or

Field Detail

deletedStatus

protected final S extends Enum<S> deletedStatus

logger

protected Logger logger

Constructor Detail

TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse

protected TrueIfNullOrDeletedRefreshAndDoubleCheckOnFalse(S deletedStatus)

Method Detail

apply

public boolean apply(AtomicReference<C> atomicResource)

Specified by:

apply in interface com.google.common.base.Predicate<S extends Enum<S>>

checkStatus

public boolean checkStatus(C resource)

refreshOrNull

protected abstract C refreshOrNull(C resource)