Package org.dmfs.jems2.predicate

Class Having<Original,Derived>

java.lang.Object

org.dmfs.jems2.predicate.Having<Original,Derived>

All Implemented Interfaces:

Predicate<Original>

public final class Having<Original,Derived>
extends Object
implements Predicate<Original>

A Predicate which delegates the test to another Predicate testing a value derived from the original testee.

Example: Filter any Strings which are not 5 characters long.

 new Sieved<>(new Having<>(String::length, new Equals<>(5)), strings);
 

Constructor Summary

Constructors

Constructor	Description
Having(Function<? super Original,? extends Derived> conversion, Derived delegate)
Having(Function<? super Original,? extends Derived> conversion, Predicate<? super Derived> delegate)

Method Summary

Modifier and Type	Method	Description
boolean	satisfiedBy(Original testedInstance)	Returns whether the given instance satisfies this predicate.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Having

public Having(Function<? super Original,? extends Derived> conversion,
 Derived delegate)

Having

public Having(Function<? super Original,? extends Derived> conversion,
 Predicate<? super Derived> delegate)

Method Details

satisfiedBy

public boolean satisfiedBy(Original testedInstance)

Description copied from interface: Predicate

Returns whether the given instance satisfies this predicate.

Specified by:

satisfiedBy in interface Predicate<Original>