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>>

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

RefreshImageAndDoubleCheckOnFailUnlessStatusInvalid(Image.Status intended, GetImageStrategy client)

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

Method Summary

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

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>