Package org.jclouds.compute.predicates.internal

Class RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid

java.lang.Object

org.jclouds.compute.predicates.internal.RefreshAndDoubleCheckOnFailUnlessStatusInvalid<Image.Status,Image>

org.jclouds.compute.predicates.internal.RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid

All Implemented Interfaces:

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

Direct Known Subclasses:

AtomicImageAvailable

@Singleton
public class RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid
extends RefreshAndDoubleCheckOnFailUnlessStatusInvalid<Image.Status,Image>

The point of RefreshAndDoubleCheckOnFailUnlessStateInvalid is to keep an atomic reference to a image, so as to eliminate a redundant ComputeService#getImage call after the predicate passes.

Field Summary

Fields inherited from class org.jclouds.compute.predicates.internal.RefreshAndDoubleCheckOnFailUnlessStatusInvalid

logger

Constructor Summary

Constructors

Constructor	Description
RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid(Image.Status intended, Set<Image.Status> invalids, GetImageStrategy client)
RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid(Image.Status intended, GetImageStrategy client)

Method Summary

Modifier and Type	Method	Description
protected Image	refreshOrNull(Image resource)

Methods inherited from class org.jclouds.compute.predicates.internal.RefreshAndDoubleCheckOnFailUnlessStatusInvalid

apply, checkStatus

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

Constructor Detail

RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid

@Inject
public RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid(Image.Status intended,
                                                           GetImageStrategy client)

RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid

public RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid(Image.Status intended,
                                                           Set<Image.Status> invalids,
                                                           GetImageStrategy client)

Method Detail

refreshOrNull

protected Image refreshOrNull(Image resource)

Specified by:

refreshOrNull in class RefreshAndDoubleCheckOnFailUnlessStatusInvalid<Image.Status,Image>