OSID - osid.installation.InstallationManagementSession Service Interface Definition

Interface	osid.installation.InstallationManagementSession
Implements	`osid.OsidSession`
Description	This session defines methods to manage installations.
Method	getSiteId
Description	Gets the `Site` `Id` associated with this session.
Return	`osid.id.Id`		the `Site Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getSite
Description	Gets the `Site` associated with this session.
Return	`osid.installation.Site`		the `Site` associated with this session
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canManageInstallations
Description	Tests if this user can manage installations 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 application that may opt not to offer management operations to unauthorized users.
Return	`boolean`		`false` if `Package` installation is not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	installPackage
Description	Installs a package at a default site.
Parameters	`osid.id.Id`	`packageId`	an `Id` of a `Package`
Return	`osid.installation.Installation`		the resulting `Installation`
Errors	ALREADY_EXISTS		package is already installed
	NOT_FOUND		`packageId` is not found
	NULL_ARGUMENT		`packageId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	removeInstallation
Description	Removes an installation.
Parameters	`osid.id.Id`	`installationId`	an `Id` of an `Installation`
Errors	NOT_FOUND		`installationId` is not found
	NULL_ARGUMENT		`installationId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	removeInstallations
Description	Removes all installations at the site.
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.