OSID - osid.resource.ResourceAgentAssignmentSession Service Interface Definition

Interface	osid.resource.ResourceAgentAssignmentSession
Implements	`osid.OsidSession`
Description	This session provides methods to re-assign `Resource` to `Agents.` A `Resource` may be associated with multiple `Agents.` An `Agent` may map to only one `Resource.`
Method	getBinId
Description	Gets the `Bin` `Id` associated with this session.
Return	`osid.id.Id`		the `Bin Id` associated with this session
Compliance	`mandatory`		This method must be implemented.
Method	getBin
Description	Gets the `Bin` associated with this session.
Return	`osid.resource.Bin`		the `Bin` associated with this session
Errors	OPERATION_FAILED		unable to complete request
Errors	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	canAssignAgents
Description	Tests if this user can alter resource/agent mappings. A return of true does not guarantee successful authorization. A return of false indicates that it is known mapping 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 assignment operations to unauthorized users.
Return	`boolean`		`false` if mapping is not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	canAssignAgentsToResource
Description	Tests if this user can alter resource/agent mappings. A return of true does not guarantee successful authorization. A return of false indicates that it is known location 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 assignment operations to unauthorized users.
Parameters	`osid.id.Id`	`resourceId`	the `Id` of the `Resource`
Return	`boolean`		`false` if mapping is not authorized, `true` otherwise
Errors	NULL_ARGUMENT		`resourceId` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	assignAgentToResource
Description	Adds an existing `Agent` to a `Resource.`
Parameters	`osid.id.Id`	`agentId`	the `Id` of the `Agent`
Parameters	`osid.id.Id`	`resourceId`	the `Id` of the `Resource`
Errors	ALREADY_EXISTS		`agentId` is already assigned to `resourceId`
	NOT_FOUND		`agentId` or `resourceId` not found
	NULL_ARGUMENT		`agentId` or `resourceId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	unassignAgentFromResource
Description	Removes an `Agent` from a `Resource.`
Parameters	`osid.id.Id`	`agentId`	the `Id` of the `Agent`
Parameters	`osid.id.Id`	`resourceId`	the `Id` of the `Resource`
Errors	NOT_FOUND		`agentId` or `resourceId` not found or `agentId` not assigned to `resourceId`
	NULL_ARGUMENT		`agentId` or `resourceId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.