OptiGUI/opekope2.filter/OptionalFilter

OptionalFilter

public final class OptionalFilter<T extends Object, TResult extends Object> implements Filter<Optional<T>, TResult>, Iterable<Filter<T, TResult>>(source)

Basically a NullGuardFilter for Java users using Optional.

Parameters

T

The type the given filter accepts

TResult

The type filter returns

nullResult

The result when the input is not present

filter

The filter to evaluate

Constructors

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public OptionalFilter<T, TResult> OptionalFilter<T extends Any, TResult extends Any>(FilterResult<TResult> nullResult, Filter<T, TResult> filter)

Functions

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public FilterResult<? extends TResult> evaluate(Optional<T> value)

Evaluates the filter with the given value.

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public String toString()

Inherited functions

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public final String dump()

Formats a filter chain as a tree with ASCII characters, and returns the formatted string.

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public Unit forEach(Consumer<? super Filter<T, TResult>> p0)
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