com.aol.cyclops.comprehensions.comprehenders

Class MonadMonadComprehender

java.lang.Object

com.aol.cyclops.comprehensions.comprehenders.MonadMonadComprehender

All Implemented Interfaces:

Comprehender<Monad>

public class MonadMonadComprehender
extends java.lang.Object
implements Comprehender<Monad>

Constructor Summary

Constructors

Constructor and Description
MonadMonadComprehender()

Method Summary

Modifier and Type	Method and Description
Monad	empty()
java.lang.Object	filter(Monad t, java.util.function.Predicate p) Wrapper around filter
Monad	flatMap(Monad t, java.util.function.Function fn)
java.lang.Class	getTargetClass()
java.lang.Object	map(Monad t, java.util.function.Function fn) Wrapper around map
Monad	of(java.lang.Object o)
java.lang.Object	resolveForCrossTypeFlatMap(Comprehender comp, Monad apply) Answers the question how should this type behave when returned in a flatMap function by another type? For example - Optional uses comp.of(opt.get()) when a value is present and comp.empty() when no value is present.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.aol.cyclops.lambda.api.Comprehender

executeflatMap, instanceOfT, liftAndFlatMap, liftObject, priority, unwrapOtherMonadTypes

Constructor Detail

MonadMonadComprehender

public MonadMonadComprehender()

Method Detail

filter

public java.lang.Object filter(Monad t,
                               java.util.function.Predicate p)

Description copied from interface: Comprehender

Wrapper around filter

Specified by:

filter in interface Comprehender<Monad>

Parameters:

t - Monadic type being wrapped

p - JDK Predicate to wrap

Returns:

Result of call to

 t.filter ( i -> p.test(i)); 

map

public java.lang.Object map(Monad t,
                            java.util.function.Function fn)

Description copied from interface: Comprehender

Wrapper around map

Specified by:

map in interface Comprehender<Monad>

Parameters:

t - Monadic type being wrapped

fn - JDK Function to wrap

Returns:

Result of call to

 t.map( i -> fn.apply(i)); 

flatMap

public Monad flatMap(Monad t,
                     java.util.function.Function fn)

Specified by:

flatMap in interface Comprehender<Monad>

of

public Monad of(java.lang.Object o)

Specified by:

of in interface Comprehender<Monad>

empty

public Monad empty()

Specified by:

empty in interface Comprehender<Monad>

getTargetClass

public java.lang.Class getTargetClass()

Specified by:

getTargetClass in interface Comprehender<Monad>

resolveForCrossTypeFlatMap

public java.lang.Object resolveForCrossTypeFlatMap(Comprehender comp,
                                                   Monad apply)

Answers the question how should this type behave when returned in a flatMap function by another type? For example - Optional uses comp.of(opt.get()) when a value is present and comp.empty() when no value is present.

Specified by:

resolveForCrossTypeFlatMap in interface Comprehender<Monad>

Parameters:

comp -

apply -

Returns: