com.atlassian.jira.project.version

Class VersionCollectionManipulators

java.lang.Object

com.atlassian.jira.project.version.VersionCollectionManipulators

@ParametersAreNonnullByDefault
public class VersionCollectionManipulators
extends Object

Constructor Summary

Constructors

Constructor and Description
VersionCollectionManipulators()

Method Summary

Modifier and Type	Method and Description
static <T,T2> void	updateValueIfChangedAfterTranformation(T originalValue, Function<T,T2> transformer, java.util.function.Consumer<T2> valueConsumer) Transforms given value with given function.
static Function<Collection<Version>,Collection<Version>>	versionRemover(Version versionToRemove) Gets a function than in given version collection removes all occurences of versionToRemove
static Function<Collection<Version>,Collection<Version>>	versionReplacer(Version versionToRemove, Version versionToSwap) Gets a function than in given version collection replaces all occurences of versionToRemove with version ToSwap

Methods inherited from class java.lang.Object

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

Constructor Detail

VersionCollectionManipulators

public VersionCollectionManipulators()

Method Detail

versionReplacer

public static Function<Collection<Version>,Collection<Version>> versionReplacer(Version versionToRemove,
                                                                                Version versionToSwap)

Gets a function than in given version collection replaces all occurences of versionToRemove with version ToSwap

Parameters:

versionToRemove - The version to remove.

versionToSwap - The version being swapped in. May be null (in which case nothing gets swapped in).

versionRemover

public static Function<Collection<Version>,Collection<Version>> versionRemover(Version versionToRemove)

Gets a function than in given version collection removes all occurences of versionToRemove

Parameters:

versionToRemove - The version to remove.

updateValueIfChangedAfterTranformation

public static <T,T2> void updateValueIfChangedAfterTranformation(T originalValue,
                                                                 Function<T,T2> transformer,
                                                                 java.util.function.Consumer<T2> valueConsumer)

Transforms given value with given function. If value is changed (nullability changed or transformed value no longer Object.equals(Object) original value) after transformation it's passed to a given consumer.

Type Parameters:

T - original value type

T2 - value type after transformation

Parameters:

originalValue - original value

transformer - value transformation

valueConsumer - object that accepts changed value