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OSID Specifications
control package
Version 3.0.0
Release Candidate Preview
Interfaceosid.control.DeviceQuerySession
Implementsosid.OsidSession
Description

This session provides methods for searching among Device objects. The search query is constructed using the DeviceQuery.

This session defines views that offer differing behaviors for searching.

  • federated system view: searches include devices in systems of which this system is an ancestor in the system hierarchy
  • isolated system view: searches are restricted to devices in this system

Devices may have a query record indicated by their respective record types. The query record is accessed via the DeviceQuery.

MethodgetSystemId
Description

Gets the System Id associated with this session.

Returnosid.id.Idthe System Id associated with this session
CompliancemandatoryThis method must be implemented.
MethodgetSystem
Description

Gets the System associated with this session.

Returnosid.control.Systemthe system
ErrorsOPERATION_FAILEDunable to complete request
PERMISSION_DENIEDauthorization failure
CompliancemandatoryThis method must be implemented.
MethodcanSearchDevices
Description

Tests if this user can perform Device lookups. 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 not offer lookup operations to unauthorized users.

Returnboolean false if search methods are not authorized, true otherwise
CompliancemandatoryThis method must be implemented.
MethoduseFederatedSystemView
Description

Federates the view for methods in this session. A federated view will include devices in systems which are children of this system in the system hierarchy.

CompliancemandatoryThis method is must be implemented.
MethoduseIsolatedSystemView
Description

Isolates the view for methods in this session. An isolated view restricts searches to this system only.

CompliancemandatoryThis method is must be implemented.
MethodgetDeviceQuery
Description

Gets a device query.

Returnosid.control.DeviceQuerythe device query
CompliancemandatoryThis method must be implemented.
MethodgetDevicesByQuery
Description

Gets a list of Devices matching the given device query,

Parametersosid.control.DeviceQuerydeviceQuerythe device query
Returnosid.control.DeviceListthe returned DeviceList
ErrorsNULL_ARGUMENT deviceQuery is null
OPERATION_FAILEDunable to complete request
PERMISSION_DENIEDauthorization failure
UNSUPPORTED deviceQuery is not of this service
CompliancemandatoryThis method must be implemented.