OSID - osid.journaling.Branch Service Interface Definition

Interface	osid.journaling.Branch
Implements	`osid.OsidObject`
Implements	`osid.Operable`
Description	A `Branch` is a new version chain from an existing version chain.
Method	getOriginJournalEntryId
Description	Gets the journal entry `Id` from which this branch was started.
Return	`osid.id.Id`		the journal entry `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getOriginJournalEntry
Description	Gets the journal entry from which this branch was started.
Return	`osid.journaling.JournalEntry`		the journal entry
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getLatestJournalEntryId
Description	Gets the latest journal entry `Id` in this branch.
Return	`osid.id.Id`		the journal entry `Id`
Compliance	`mandatory`		This method must be implemented.
Method	getLatestJournalEntry
Description	Gets the latest journal entry in this branch.
Return	`osid.journaling.JournalEntry`		the journal entry
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getBranchRecord
Description	Gets the branch record corresponding to the given `Pollstem` record `Type.` This method is used to retrieve an object implementing the requested record. The `branchRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(branchRecordType)` is `true` .
Parameters	`osid.type.Type`	`branchRecordType`	the branch record type
Return	`osid.journaling.records.BranchRecord`		the branch record
Errors	NULL_ARGUMENT		`branchRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(branchRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.