Interface DeviceEnablerQuerySession

All Superinterfaces:
AutoCloseable, Closeable, OsidSession, OsidSession
All Known Subinterfaces:
DeviceEnablerSearchSession
public interface DeviceEnablerQuerySession extends OsidSession

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

This session defines views that offer differing behaviors for searching.

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

Device constrainer enablers may have a query record indicated by their respective record types. The query record is accessed via the DeviceEnablerQuery.

  • Method Details

    • getSystemId

      Id getSystemId()
      Gets the System Id associated with this session.
      Returns:
      the System Id associated with this session
      Compliance:
      mandatory - This method must be implemented.

    • getSystem

      System getSystem() throws OperationFailedException, PermissionDeniedException
      Gets the System associated with this session.
      Returns:
      the system
      Throws:
      OperationFailedException - unable to complete request
      PermissionDeniedException - authorization failure
      Compliance:
      mandatory - This method must be implemented.

    • canSearchDeviceEnablers

      boolean canSearchDeviceEnablers()
      Tests if this user can perform DeviceEnabler 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.
      Returns:
      false if search methods are not authorized, true otherwise
      Compliance:
      mandatory - This method must be implemented.

    • useFederatedSystemView

      void useFederatedSystemView()
      Federates the view for methods in this session. A federated view will include device enablers in systems which are children of this broker in the system hierarchy.
      Compliance:
      mandatory - This method is must be implemented.

    • useIsolatedSystemView

      void useIsolatedSystemView()
      Isolates the view for methods in this session. An isolated view restricts lookups to this system only.
      Compliance:
      mandatory - This method is must be implemented.

    • getDeviceEnablerQuery

      DeviceEnablerQuery getDeviceEnablerQuery()
      Gets a device enabler query.
      Returns:
      the device enabler query
      Compliance:
      mandatory - This method must be implemented.

    • getDeviceEnablersByQuery

      DeviceEnablerList getDeviceEnablersByQuery(DeviceEnablerQuery deviceEnablerQuery) throws OperationFailedException, PermissionDeniedException
      Gets a list of DeviceEnablers matching the given search.
      Parameters:
      deviceEnablerQuery - the device constraienr enabler query
      Returns:
      the returned DeviceEnablerList
      Throws:
      NullArgumentException - deviceEnablerQuery is null
      OperationFailedException - unable to complete request
      PermissionDeniedException - authorization failure
      UnsupportedException - deviceEnablerQuery is not of this service
      Compliance:
      mandatory - This method must be implemented.