Package nl.talsmasoftware.context.functions

Class FunctionWithContext<IN,OUT>

java.lang.Object

nl.talsmasoftware.context.delegation.Wrapper<T>

nl.talsmasoftware.context.delegation.WrapperWithContext<T>

nl.talsmasoftware.context.functions.FunctionWithContext<IN,OUT>

All Implemented Interfaces:

Function<IN,OUT>

Direct Known Subclasses:

UnaryOperatorWithContext

public class FunctionWithContext<IN,OUT>
extends WrapperWithContext<T>
implements Function<IN,OUT>

A wrapper for Function that reactivates a context snapshot before calling a delegate.

Author:

Sjoerd Talsma

Field Summary

Fields

Modifier and Type	Field	Description
protected Consumer<ContextSnapshot>	contextSnapshotConsumer	The context snapshot consumer to provide a new snapshot to after the function is completed, may be null.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FunctionWithContext(Supplier<ContextSnapshot> supplier, Function<IN,OUT> delegate, Consumer<ContextSnapshot> consumer)
	FunctionWithContext(ContextSnapshot snapshot, Function<IN,OUT> delegate)
	FunctionWithContext(ContextSnapshot snapshot, Function<IN,OUT> delegate, Consumer<ContextSnapshot> consumer)

Method Summary

Modifier and Type	Method	Description
<V> Function<IN,V>	andThen(Function<? super OUT,? extends V> after)
OUT	apply(IN in)
<V> Function<V,OUT>	compose(Function<? super V,? extends IN> before)
protected Optional<Consumer<ContextSnapshot>>	consumer()	Deprecated. The functional wrappers currently no longer use this method.

Methods inherited from class nl.talsmasoftware.context.delegation.WrapperWithContext

equals, hashCode, snapshot, toString

Methods inherited from class nl.talsmasoftware.context.delegation.Wrapper

delegate, nonNullDelegate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

contextSnapshotConsumer

protected final Consumer<ContextSnapshot> contextSnapshotConsumer

The context snapshot consumer to provide a new snapshot to after the function is completed, may be null.

Constructor Detail

FunctionWithContext

public FunctionWithContext(ContextSnapshot snapshot,
                           Function<IN,OUT> delegate)

FunctionWithContext

public FunctionWithContext(ContextSnapshot snapshot,
                           Function<IN,OUT> delegate,
                           Consumer<ContextSnapshot> consumer)

FunctionWithContext

protected FunctionWithContext(Supplier<ContextSnapshot> supplier,
                              Function<IN,OUT> delegate,
                              Consumer<ContextSnapshot> consumer)

Method Detail

apply

public OUT apply(IN in)

Specified by:

apply in interface Function<IN,OUT>

compose

public <V> Function<V,OUT> compose(Function<? super V,? extends IN> before)

Specified by:

compose in interface Function<IN,OUT>

andThen

public <V> Function<IN,V> andThen(Function<? super OUT,? extends V> after)

Specified by:

andThen in interface Function<IN,OUT>

consumer

@Deprecated
protected Optional<Consumer<ContextSnapshot>> consumer()

Deprecated.

The functional wrappers currently no longer use this method.

Returns:

An optional post-action consumer to receive a new context snapshot taken after the action.