scala.ref

WeakReference

class WeakReference[+T <: AnyRef] extends ReferenceWrapper[T]

A wrapper class for java.lang.ref.WeakReference The new functionality is (1) results are Option values, instead of using null. (2) There is an extractor that maps the weak reference itself into an option.

Linear Supertypes
ReferenceWrapper[T], Proxy, Reference[T], () ⇒ T, AnyRef, Any
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Inherited
  1. WeakReference
  2. ReferenceWrapper
  3. Proxy
  4. Reference
  5. Function0
  6. AnyRef
  7. Any
Implicitly
  1. by any2stringadd
  2. by StringFormat
  3. by Ensuring
  4. by ArrowAssoc
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Visibility
  1. Public
  2. All

Instance Constructors

  1. new WeakReference(value: T)

  2. new WeakReference(value: T, queue: ReferenceQueue[T])

Value Members

  1. final def !=(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

    Definition Classes
    AnyRef → Any

  3. def +(other: String): String

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to any2stringadd[WeakReference[T]] performed by method any2stringadd in scala.Predef.
    Definition Classes
    any2stringadd

  4. def ->[B](y: B): (WeakReference[T], B)

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to ArrowAssoc[WeakReference[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc
    Annotations
    @inline()

  5. final def ==(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  6. def apply(): T

    return the underlying value

    return the underlying value

    returns

    the result of function application.

    Definition Classes
    ReferenceWrapper → Reference → Function0

  7. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  8. def clear(): Unit

    Definition Classes
    ReferenceWrapper → Reference

  9. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  10. def enqueue(): Boolean

    Definition Classes
    ReferenceWrapper → Reference

  11. def ensuring(cond: (WeakReference[T]) ⇒ Boolean, msg: ⇒ Any): WeakReference[T]

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to Ensuring[WeakReference[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  12. def ensuring(cond: (WeakReference[T]) ⇒ Boolean): WeakReference[T]

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to Ensuring[WeakReference[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  13. def ensuring(cond: Boolean, msg: ⇒ Any): WeakReference[T]

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to Ensuring[WeakReference[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  14. def ensuring(cond: Boolean): WeakReference[T]

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to Ensuring[WeakReference[T]] performed by method Ensuring in scala.Predef.
    Definition Classes
    Ensuring

  15. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  16. def equals(that: Any): Boolean

    Definition Classes
    Proxy → Any

  17. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  18. def formatted(fmtstr: String): String

    Returns string formatted according to given format string.

    Returns string formatted according to given format string. Format strings are as for String.format (@see java.lang.String.format).

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to StringFormat[WeakReference[T]] performed by method StringFormat in scala.Predef.
    Definition Classes
    StringFormat
    Annotations
    @inline()

  19. def get: Option[T]

    return Some underlying if it hasn't been collected, otherwise None

    return Some underlying if it hasn't been collected, otherwise None

    Definition Classes
    ReferenceWrapper → Reference

  20. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  21. def hashCode(): Int

    Definition Classes
    Proxy → Any

  22. def isEnqueued(): Boolean

    Definition Classes
    ReferenceWrapper → Reference

  23. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  24. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  25. final def notify(): Unit

    Definition Classes
    AnyRef

  26. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  27. def self: java.lang.ref.Reference[_ <: T]

    Definition Classes
    ReferenceWrapper → Proxy

  28. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  29. def toString(): String

    Definition Classes
    Proxy → Any

  30. val underlying: java.lang.ref.WeakReference[_ <: T]

    Definition Classes
    WeakReference → ReferenceWrapper

  31. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  32. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  33. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  34. def →[B](y: B): (WeakReference[T], B)

    Implicit information
    This member is added by an implicit conversion from WeakReference[T] to ArrowAssoc[WeakReference[T]] performed by method ArrowAssoc in scala.Predef.
    Definition Classes
    ArrowAssoc

Inherited from ReferenceWrapper[T]

Inherited from Proxy

Inherited from Reference[T]

Inherited from () ⇒ T

Inherited from AnyRef

Inherited from Any

Inherited by implicit conversion any2stringadd from WeakReference[T] to any2stringadd[WeakReference[T]]

Inherited by implicit conversion StringFormat from WeakReference[T] to StringFormat[WeakReference[T]]

Inherited by implicit conversion Ensuring from WeakReference[T] to Ensuring[WeakReference[T]]

Inherited by implicit conversion ArrowAssoc from WeakReference[T] to ArrowAssoc[WeakReference[T]]

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