OSID - osid.configuration.ConfigurationHierarchyDesignSession Service Interface Definition

Interface	osid.configuration.ConfigurationHierarchyDesignSession
Implements	`osid.OsidSession`
Used By	`osid.configuration.ConfigurationManager`
Used By	`osid.configuration.ConfigurationProxyManager`
Description	This session defines methods for managing a hierarchy of `Configuration` objects. Each node in the hierarchy is a unique `Configuration`.
Method	getConfigurationHierarchyId
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	getConfigurationHierarchy
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	canModifyConfigurationHierarchy
Description	Tests if this user can change the hierarchy. A return of true does not guarantee successful authorization. A return of false indicates that it is known performing any update will result in a `PERMISSION_DENIED`. This is intended as a hint to an application that may opt not to offer these operations to an unauthorized user.
Return	`boolean`		`false` if changing this hierarchy is not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	addRootConfiguration
Description	Adds a root configuration.
Parameters	`osid.id.Id`	`configurationId`	the `Id` of a configuration
Errors	ALREADY_EXISTS		`configurationId` is already in hierarchy
	NOT_FOUND		`configurationId` not found
	NULL_ARGUMENT		`configurationId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	removeRootConfiguration
Description	Removes a root configuration.
Parameters	`osid.id.Id`	`configurationId`	the `Id` of a configuration
Errors	NOT_FOUND		`configurationId` not a root
	NULL_ARGUMENT		`configurationId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	addChildConfiguration
Description	Adds a child to a configuration.
Parameters	`osid.id.Id`	`configurationId`	the `Id` of a configuration
Parameters	`osid.id.Id`	`childId`	the `Id` of the new child
Errors	ALREADY_EXISTS		`configurationId` is already a parent of `childId`
	NOT_FOUND		`configurationId` or `childId` not found
	NULL_ARGUMENT		`configurationId` or `childId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	removeChildConfiguration
Description	Removes a child from a configuration.
Parameters	`osid.id.Id`	`configurationId`	the `Id` of a configuration
Parameters	`osid.id.Id`	`childId`	the `Id` of the new child
Errors	NOT_FOUND		`configurationId` not a parent of `childId`
	NULL_ARGUMENT		`configurationId` or `childId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	removeChildConfigurations
Description	Removes all children from a configuration.
Parameters	`osid.id.Id`	`configurationId`	the `Id` of a configuration
Errors	NOT_FOUND		`configurationId` is not in hierarchy
	NULL_ARGUMENT		`configurationId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.