Class

play.api.mvc.request

LazyCell

Related Doc: package request

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abstract class LazyCell[A] extends Cell[A]

A cell that evaluates its value on demand. Cell access is unsychronized for performance reasons. However the cell may be safely accessed from multiple threads provided its create method is idempotent.

Source
Cell.scala
Linear Supertypes
Cell[A], AnyRef, Any
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Inherited
  1. LazyCell
  2. Cell
  3. AnyRef
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Visibility
  1. Public
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Instance Constructors

  1. new LazyCell()

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Abstract Value Members

  1. abstract def create: A

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    Create a value.

    Create a value. This method is called when the lazy cell is first accessed. After it is first accessed the value will be cached. There is a chance this method will be called more than once if the cell is accessed from multiple threads.

    Attributes
    protected

  2. abstract def emptyMarker: A

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    A value of type A that indicates the cell hasn't been evaluated.

    A value of type A that indicates the cell hasn't been evaluated. Common values are null, None or 0. It's important the marker is not a valid value.

    Attributes
    protected

Concrete Value Members

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

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

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

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    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  5. def clone(): AnyRef

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

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

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    Definition Classes
    AnyRef

  7. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  8. def evaluated: Boolean

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    Whether or not the cell value has been evaluated yet.

    Whether or not the cell value has been evaluated yet. Sometimes it is useful to know this to avoid unnecessarily evaluating the cell value.

    Definition Classes
    LazyCell → Cell

  9. def finalize(): Unit

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

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

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    Definition Classes
    AnyRef → Any

  11. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  12. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

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

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    Definition Classes
    AnyRef

  14. final def notify(): Unit

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    Definition Classes
    AnyRef

  15. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

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

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    Definition Classes
    AnyRef

  17. def toString(): String

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    Definition Classes
    Cell → AnyRef → Any

  18. def value: A

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    The value in the cell.

    The value in the cell. Calling this method may force the value to be evaluated.

    Definition Classes
    LazyCell → Cell

  19. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

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

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Cell[A]

Inherited from AnyRef

Inherited from Any

Ungrouped