com.aol.cyclops.internal.monads

Class AnyMonads

java.lang.Object

com.aol.cyclops.internal.monads.AnyMonads

public class AnyMonads
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
AnyMonads()

Method Summary

Modifier and Type	Method and Description
<T1> AnyMValue<ListX<T1>>	sequence(java.util.Collection<? extends AnyM<T1>> seq) Convert a Collection of Monads to a Monad with a List
<T1> AnyMValue<ListX<T1>>	sequence(java.util.stream.Stream<? extends AnyM<T1>> seq) Convert a Stream of Monads to a Monad with a List
<T,R> AnyMValue<ListX<R>>	traverse(java.util.Collection<? extends AnyM<T>> seq, java.util.function.Function<? super T,? extends R> fn) Convert a Collection of Monads to a Monad with a List applying the supplied function in the process
<T,R> AnyMValue<ListX<R>>	traverse(java.util.stream.Stream<? extends AnyM<T>> seq, java.util.function.Function<? super T,? extends R> fn) Convert a Stream of Monads to a Monad with a List applying the supplied function in the process

Methods inherited from class java.lang.Object

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

Constructor Detail

AnyMonads

public AnyMonads()

Method Detail

traverse

public <T,R> AnyMValue<ListX<R>> traverse(java.util.Collection<? extends AnyM<T>> seq,
                                          java.util.function.Function<? super T,? extends R> fn)

Convert a Collection of Monads to a Monad with a List applying the supplied function in the process

  
       List<CompletableFuture<Integer>> futures = createFutures();
       AnyM<List<String>> futureList = AnyMonads.traverse(AsAnyMList.anyMList(futures), (Integer i) -> "hello" +i);
        
        

Parameters:

seq - Collection of Monads

fn - Function to apply

Returns:

Monad with a list

traverse

public <T,R> AnyMValue<ListX<R>> traverse(java.util.stream.Stream<? extends AnyM<T>> seq,
                                          java.util.function.Function<? super T,? extends R> fn)

Convert a Stream of Monads to a Monad with a List applying the supplied function in the process

 
       Stream<CompletableFuture<Integer>> futures = createFutures();
       AnyM<List<String>> futureList = AnyMonads.traverse(AsAnyMList.anyMList(futures), (Integer i) -> "hello" +i);
        
        

Parameters:

seq - Stream of Monads

fn - Function to apply

Returns:

Monad with a list

sequence

public <T1> AnyMValue<ListX<T1>> sequence(java.util.Collection<? extends AnyM<T1>> seq)

Convert a Collection of Monads to a Monad with a List

 
        List<CompletableFuture<Integer>> futures = createFutures();
        AnyM<List<Integer>> futureList = AnyMonads.sequence(AsAnyMList.anyMList(futures));
       //where AnyM wraps  CompletableFuture<List<Integer>>
      

Parameters:

seq - Collection of monads to convert

Returns:

Monad with a List

See Also:

for helper methods to convert a List of Monads / Collections to List of AnyM

sequence

public <T1> AnyMValue<ListX<T1>> sequence(java.util.stream.Stream<? extends AnyM<T1>> seq)

Convert a Stream of Monads to a Monad with a List

        Stream<CompletableFuture<Integer>> futures = createFutures();
        AnyM<List<Integer>> futureList = AnyMonads.sequence(AsAnyMList.anyMList(futures));
       //where AnyM wraps  CompletableFuture<List<Integer>>
      

Parameters:

seq - Stream of monads to convert

Returns:

Monad with a List

See Also:

for helper methods to convert a List of Monads / Collections to List of AnyM