Package com.atlassian.jira.health

Class PreviousVersionHashService

java.lang.Object

com.atlassian.jira.health.PreviousVersionHashService

@ParametersAreNonnullByDefault
public class PreviousVersionHashService
extends Object

Provides the 'baseline' (i.e. unmodified) hashes of files in the version we are upgrading *from*

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	PreviousVersionHashService.HashProvider

Constructor Summary

Constructors

Constructor	Description
PreviousVersionHashService(ModificationMigrationLocationService locationService)

Method Summary

Modifier and Type	Method	Description
static PreviousVersionHashService	getInstance()
<T> T	withHashProvider(Function<PreviousVersionHashService.HashProvider,T> f)	Carry out some operations with access to the baseline hashes.

Methods inherited from class java.lang.Object

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

Constructor Details

PreviousVersionHashService

public PreviousVersionHashService(ModificationMigrationLocationService locationService)

Method Details

getInstance

public static PreviousVersionHashService getInstance()

withHashProvider

public <T> T withHashProvider(Function<PreviousVersionHashService.HashProvider,T> f)

Carry out some operations with access to the baseline hashes. This allows the hashes to be loaded and then used in a scope without keeping them in memory after they are no longer needed.

Parameters:

f - the function to perform

Returns:

the value producd by the function