Package nl.talsmasoftware.context.functions

Class PredicateWithContext<T>

java.lang.Object

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

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

nl.talsmasoftware.context.functions.PredicateWithContext<T>

All Implemented Interfaces:

Predicate<T>

public class PredicateWithContext<T>
extends WrapperWithContext<T>
implements Predicate<T>

A wrapper for Predicate 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	PredicateWithContext(Supplier<ContextSnapshot> supplier, Predicate<T> delegate, Consumer<ContextSnapshot> consumer)
	PredicateWithContext(ContextSnapshot snapshot, Predicate<T> delegate)
	PredicateWithContext(ContextSnapshot snapshot, Predicate<T> delegate, Consumer<ContextSnapshot> consumer)

Method Summary

Modifier and Type	Method	Description
Predicate<T>	and(Predicate<? super T> other)
protected Optional<Consumer<ContextSnapshot>>	consumer()	Deprecated. The functional wrappers currently no longer use this method.
Predicate<T>	or(Predicate<? super T> other)
boolean	test(T t)

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

Methods inherited from interface java.util.function.Predicate

negate

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

PredicateWithContext

public PredicateWithContext(ContextSnapshot snapshot,
                            Predicate<T> delegate)

PredicateWithContext

public PredicateWithContext(ContextSnapshot snapshot,
                            Predicate<T> delegate,
                            Consumer<ContextSnapshot> consumer)

PredicateWithContext

protected PredicateWithContext(Supplier<ContextSnapshot> supplier,
                               Predicate<T> delegate,
                               Consumer<ContextSnapshot> consumer)

Method Detail

test

public boolean test(T t)

Specified by:

test in interface Predicate<T>

and

public Predicate<T> and(Predicate<? super T> other)

Specified by:

and in interface Predicate<T>

or

public Predicate<T> or(Predicate<? super T> other)

Specified by:

or in interface Predicate<T>

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.