com.atlassian.greenhopper.service
Interface ServiceOutcome<T>

All Superinterfaces:

com.atlassian.fugue.Effect.Applicant<T>

All Known Implementing Classes:

ServiceOutcomeImpl

public interface ServiceOutcome<T>
extends com.atlassian.fugue.Effect.Applicant<T>

A service result that has an value.

Method Summary

<A> ServiceOutcome<A>	flatMap(com.google.common.base.Function<T,ServiceOutcome<A>> func)
ErrorCollection	getErrors()
T	getValue() Returns the value that was returned by the service, or null.
boolean	isValid()
<A> ServiceOutcome<A>	map(com.google.common.base.Function<T,A> func)

Methods inherited from interface com.atlassian.fugue.Effect.Applicant

foreach

Method Detail

isValid

boolean isValid()

Returns:

true if there are no errors, false otherwise.

getErrors

ErrorCollection getErrors()

Returns:

an ErrorCollection that contains any errors that may have happened as a result of the validations.

getValue

T getValue()

Returns the value that was returned by the service, or null.

Returns:

the value returned by the service, or null

map

<A> ServiceOutcome<A> map(com.google.common.base.Function<T,A> func)

Type Parameters:

A - the type of the ServiceOutcome

Parameters:

func - a function which takes a instance of type T and returns an instance of type A

Returns:

a new service outcome based on the output of func

flatMap

<A> ServiceOutcome<A> flatMap(com.google.common.base.Function<T,ServiceOutcome<A>> func)

Type Parameters:

A - the type of the ServiceOutcome

Parameters:

func - a function which takes a instance of type T and returns a ServiceOutcome of type A

Returns:

a new service outcome based on the output of func