OSID - osid.learning.ObjectiveBankHierarchySession Service Interface Definition

Interface	osid.learning.ObjectiveBankHierarchySession
Implements	`osid.OsidSession`
Used By	`osid.learning.LearningManager`
Used By	`osid.learning.LearningProxyManager`
Description	This session defines methods for traversing a hierarchy of `ObjectiveBanks`. Each node in the hierarchy is a unique `ObjectiveBank`. The hierarchy may be traversed recursively to establish the tree structure through `getParentObjectiveBanks()` and `getChildObjectiveBanks()`. To relate these `Ids` to another OSID, `getObjectiveBankNodes()` can be used for retrievals that can be used for bulk lookups in other OSIDs. Any `ObjectiveBank` available in the ObjectiveBanking OSID is known to this hierarchy but does not appear in the hierarchy traversal until added as a root node or a child of another node. A user may not be authorized to traverse the entire hierarchy. Parts of the hierarchy may be made invisible through omission from the returns of `getParentObjectiveBanks()` or `getChildObjectiveBanks()` in lieu of a `PERMISSION_DENIED` error that may disrupt the traversal through authorized pathways. This session defines views that offer differing behaviors when retrieving multiple objects. comparative view: objective bank elements may be silently omitted or re-ordered plenary view: provides a complete set or is an error condition
Method	getObjectiveBankHierarchyId
Description	Gets the hierarchy `Id` associated with this session.
Return	`osid.id.Id`		the hierarchy `Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getObjectiveBankHierarchy
Description	Gets the hierarchy associated with this session.
Return	`osid.hierarchy.Hierarchy`		the hierarchy associated with this session
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canAccessObjectiveBankHierarchy
Description	Tests if this user can perform hierarchy queries. A return of true does not guarantee successful authorization. A return of false indicates that it is known all methods in this session will result in a `PERMISSION_DENIED`. This is intended as a hint to an an application that may not offer traversal functions to unauthorized users.
Return	`boolean`		`false` if hierarchy traversal methods are not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	useComparativeObjectiveBankView
Description	The returns from the objective bank methods may omit or translate elements based on this session, such as authorization, and not result in an error. This view is used when greater interoperability is desired at the expense of precision.
Compliance	`mandatory`		This method is must be implemented.
Method	usePlenaryObjectiveBankView
Description	A complete view of the `Hierarchy` returns is desired. Methods will return what is requested or result in an error. This view is used when greater precision is desired at the expense of interoperability.
Compliance	`mandatory`		This method is must be implemented.
Method	getRootObjectiveBankIds
Description	Gets the root objective bank `Ids` in this hierarchy.
Return	`osid.id.IdList`		the root objective bank `Ids`
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	getRootObjectiveBanks
Description	Gets the root objective banks in this objective bank hierarchy.
Return	`osid.learning.ObjectiveBankList`		the root objective banks
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method is must be implemented.
Method	hasParentObjectiveBanks
Description	Tests if the `ObjectiveBank` has any parents.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if the objective bank has parents, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	isParentOfObjectiveBank
Description	Tests if an `Id` is a direct parent of an objective bank.
Parameters	`osid.id.Id`	`id`	an `Id`
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if this `id` is a parent of `objectiveBankId`, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`id` or `objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Provider Notes	If `id` not found return `false`.
Method	getParentObjectiveBankIds
Description	Gets the parent `Ids` of the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`osid.id.IdList`		the parent `Ids` of the objective bank
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	getParentObjectiveBanks
Description	Gets the parents of the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`osid.learning.ObjectiveBankList`		the parents of the objective bank
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	isAncestorOfObjectiveBank
Description	Tests if an `Id` is an ancestor of an objective bank.
Parameters	`osid.id.Id`	`id`	an `Id`
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if this `id` is an ancestor of `objectiveBankId`, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`id` or `objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Provider Notes	If `id` not found return `false`.
Method	hasChildObjectiveBanks
Description	Tests if an objective bank has any children.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if the `objectiveBankId` has children, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	isChildOfObjectiveBank
Description	Tests if an objective bank is a direct child of another.
Parameters	`osid.id.Id`	`id`	an `Id`
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if the `id` is a child of `objectiveBankId`, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`id` or `objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Provider Notes	If `id` not found return `false`.
Method	getChildObjectiveBankIds
Description	Gets the child `Ids` of the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` to query
Return	`osid.id.IdList`		the children of the objective bank
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	getChildObjectiveBanks
Description	Gets the children of the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` to query
Return	`osid.learning.ObjectiveBankList`		the children of the objective bank
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	isDescendantOfObjectiveBank
Description	Tests if an `Id` is a descendant of an objective bank.
Parameters	`osid.id.Id`	`id`	an `Id`
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` of an objective bank
Return	`boolean`		`true` if the `id` is a descendant of the `objectiveBankId`, `false` otherwise
Errors	NOT_FOUND		`objectiveBankId` is not found
	NULL_ARGUMENT		`id` or `objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Provider Notes	If `id` is not found return `false`.
Method	getObjectiveBankNodeIds
Description	Gets a portion of the hierarchy for the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` to query
	`cardinal`	`ancestorLevels`	the maximum number of ancestor levels to include. A value of 0 returns no parents in the node.
	`cardinal`	`descendantLevels`	the maximum number of descendant levels to include. A value of 0 returns no children in the node.
	`boolean`	`includeSiblings`	`true` to include the siblings of the given node, `false` to omit the siblings
Return	`osid.hierarchy.Node`		a catalog node
Errors	NOT_FOUND		`objectiveBankId` not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	getObjectiveBankNodes
Description	Gets a portion of the hierarchy for the given objective bank.
Parameters	`osid.id.Id`	`objectiveBankId`	the `Id` to query
	`cardinal`	`ancestorLevels`	the maximum number of ancestor levels to include. A value of 0 returns no parents in the node.
	`cardinal`	`descendantLevels`	the maximum number of descendant levels to include. A value of 0 returns no children in the node.
	`boolean`	`includeSiblings`	`true` to include the siblings of the given node, `false` to omit the siblings
Return	`osid.learning.ObjectiveBankNode`		an objective bank node
Errors	NOT_FOUND		`objectiveBankId` not found
	NULL_ARGUMENT		`objectiveBankId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.