com.edorasware.one.app.migration

Interface AppMigration

public interface AppMigration

Interface for App migrations. App migrations are applied after the raw app information has been read from the input source and converted into AppContent.

Method Summary

Methods

Modifier and Type	Method and Description
AppContent	applyMigration(AppContent appContent) Apply the migrations to the given App content, returning the migrated App content.
com.google.common.base.Optional<AppFormatVersion>	getTargetAppVersion() Returns the target App version for this migration.

Method Detail

getTargetAppVersion

com.google.common.base.Optional<AppFormatVersion> getTargetAppVersion()

Returns the target App version for this migration. If the incoming App is already at this version or later then the migration won't be applied. If the target version is Optional.absent() then the migration will be invoked and has to perform its own checks.

Returns:

the target App version

applyMigration

AppContent applyMigration(AppContent appContent)

Apply the migrations to the given App content, returning the migrated App content.

Parameters:

appContent - the incoming app content

Returns:

the migrated app content