org.demac.context
Interface ContextService

All Superinterfaces:

Service

All Known Implementing Classes:

ContextServiceImpl

public interface ContextService
extends Service

Interface for the Context Service.

Method Summary

void	addManagementSevice(ContextManagementService service)
void	addServiceObjectListener(ServiceObjectListener listener) Method to add a listener to the list of ServiceObjectListeners.
LocalDeviceContext	getLocalDeviceContext()
ContextManagementService	getManagementSevice(ContextManagementHandle handle)
RawDataService	getService(ServiceHandle handle)
RawDataService	getService(ServiceHandle handle, Criteria criteria)
void	initLocalContext(LocalDeviceContext localContext)
boolean	isServiceAvailable(ServiceHandle handle, java.lang.String type)
boolean	isServiceAvailable(ServiceHandle handle, java.lang.String type, Criteria criteria)
java.util.Iterator	localAvailibleServices()
void	lookupServiceObject(java.lang.String id, ServiceHandle handle, Criteria criteria) Method to look up Services in the local registry and in the vicinity.
int	removeLokalService(ServiceHandle serviceHandle)
void	removeManagementSevice(ContextManagementHandle serviceHandle)
void	removeServiceObjectListener(ServiceObjectListener listener) Method to remove a listener from the list of ServiceObjectListeners.

Methods inherited from interface org.demac.Service

isStarted, start, stop

Method Detail

isServiceAvailable

boolean isServiceAvailable(ServiceHandle handle,
                           java.lang.String type)
                           throws UnknownServiceException,
                                  ServiceNotReachableException

Throws:

UnknownServiceException

ServiceNotReachableException

isServiceAvailable

boolean isServiceAvailable(ServiceHandle handle,
                           java.lang.String type,
                           Criteria criteria)
                           throws UnknownServiceException,
                                  ServiceNotReachableForCriteriaException

Throws:

UnknownServiceException

ServiceNotReachableForCriteriaException

getService

RawDataService getService(ServiceHandle handle)
                          throws UnknownServiceException

Throws:

UnknownServiceException

getService

RawDataService getService(ServiceHandle handle,
                          Criteria criteria)
                          throws UnknownServiceException,
                                 ServiceNotReachableForCriteriaException

Throws:

UnknownServiceException

ServiceNotReachableForCriteriaException

initLocalContext

void initLocalContext(LocalDeviceContext localContext)

getLocalDeviceContext

LocalDeviceContext getLocalDeviceContext()

addManagementSevice

void addManagementSevice(ContextManagementService service)

getManagementSevice

ContextManagementService getManagementSevice(ContextManagementHandle handle)

removeManagementSevice

void removeManagementSevice(ContextManagementHandle serviceHandle)

localAvailibleServices

java.util.Iterator localAvailibleServices()

removeLokalService

int removeLokalService(ServiceHandle serviceHandle)

addServiceObjectListener

void addServiceObjectListener(ServiceObjectListener listener)

Method to add a listener to the list of ServiceObjectListeners.

Parameters:

listener - the listener to add.

removeServiceObjectListener

void removeServiceObjectListener(ServiceObjectListener listener)

Method to remove a listener from the list of ServiceObjectListeners.

Parameters:

listener - the listener to remove.

lookupServiceObject

void lookupServiceObject(java.lang.String id,
                         ServiceHandle handle,
                         Criteria criteria)
                         throws UnknownServiceException,
                                ServiceNotReachableForCriteriaException

Method to look up Services in the local registry and in the vicinity.

Parameters:

handle - org.demac.context.registry.ServiceHandle of the service that should be looked up.

criteria - org.demac.context.base.Criteria representing the non-functional properties that must be regarded.

Throws:

UnknownServiceException

ServiceNotReachableForCriteriaException