# Uses of Class
org.rexxla.bsf.engines.rexx.RexxCleanupRef

Packages that use RexxCleanupRef
Package
Description
org.rexxla.bsf.engines.rexx

- ## Uses of RexxCleanupRef in org.rexxla.bsf.engines.rexx

  Fields in org.rexxla.bsf.engines.rexx with type parameters of type RexxCleanupRef
  Modifier and Type
  Field
  Description
  `static final IdentityHashMap<RexxCleanupRef,Object>`
  RexxCleanupRef.`pinnedReferences`
  Learned that `PhantomReferences` must be refenced themselves otherwise they may never be put on the reference queue, so storing them in this `IdentityHashMap` until the reference is being put on the reference queue for processing, at which time the reference will be removed from the `IdentityHashMap`.