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t

play.api.mvc

ActionFunction

trait ActionFunction[-R[_], +P[_]] extends AnyRef

A builder for generic Actions that generalizes over the type of requests. An ActionFunction[R,P] may be chained onto an existing ActionBuilder[R] to produce a new ActionBuilder[P] using andThen. The critical (abstract) function is invokeBlock. Most users will want to use ActionBuilder instead.

R

the type of the request on which this is invoked (input)

P

the parameter type which blocks executed by this builder take (output)

Self Type
ActionFunction[R, P]
Source
Action.scala
Linear Supertypes
AnyRef, Any
Known Subclasses
ActionBuilder, IgnoringBody, ActionBuilderImpl, ActionFilter, ActionRefiner, ActionTransformer, DefaultActionBuilder, DefaultActionBuilderImpl, DefaultMessagesActionBuilderImpl, MessagesActionBuilder, MessagesActionBuilderImpl, AuthenticatedBuilder, CORSActionBuilder, CSPActionBuilder, CSPReportActionBuilder, DefaultCSPActionBuilder, DefaultCSPReportActionBuilder, Action
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Abstract Value Members

  1. abstract def executionContext: ExecutionContext

    Get the execution context to run the request in.

    Get the execution context to run the request in.

    returns

    The execution context

    Attributes
    protected
  2. abstract def invokeBlock[A](request: R[A], block: (P[A]) ⇒ Future[Result]): Future[Result]

    Invoke the block.

    Invoke the block. This is the main method that an ActionBuilder has to implement, at this stage it can wrap it in any other actions, modify the request object or potentially use a different class to represent the request.

    request

    The request

    block

    The block of code to invoke

    returns

    A future of the result

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##(): Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def andThen[Q[_]](other: ActionFunction[P, Q]): ActionFunction[R, Q]

    Compose this ActionFunction with another, with this one applied first.

    Compose this ActionFunction with another, with this one applied first.

    other

    ActionFunction with which to compose

    returns

    The new ActionFunction

  5. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  6. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... ) @native()
  7. def compose[B](other: ActionBuilder[R, B]): ActionBuilder[P, B]
  8. def compose[Q[_]](other: ActionFunction[Q, R]): ActionFunction[Q, P]

    Compose another ActionFunction with this one, with this one applied last.

    Compose another ActionFunction with this one, with this one applied last.

    other

    ActionFunction with which to compose

    returns

    The new ActionFunction

  9. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  10. def equals(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  11. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
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    Annotations
    @throws( classOf[java.lang.Throwable] )
  12. final def getClass(): Class[_]
    Definition Classes
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    Annotations
    @native()
  13. def hashCode(): Int
    Definition Classes
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    Annotations
    @native()
  14. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  15. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  16. final def notify(): Unit
    Definition Classes
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    Annotations
    @native()
  17. final def notifyAll(): Unit
    Definition Classes
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    Annotations
    @native()
  18. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
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  19. def toString(): String
    Definition Classes
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  20. final def wait(): Unit
    Definition Classes
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    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit
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    @throws( ... )
  22. final def wait(arg0: Long): Unit
    Definition Classes
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    @throws( ... ) @native()

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