package javax.tv.service.guide;


public interface ProgramSchedule {

	public javax.tv.service.SIRequest retrieveCurrentProgramEvent(javax.tv.service.SIRequestor requestor);


	public javax.tv.service.SIRequest retrieveFutureProgramEvent(java.util.Date time, javax.tv.service.SIRequestor requestor) throws javax.tv.service.SIException;


	public javax.tv.service.SIRequest retrieveFutureProgramEvents(java.util.Date begin, java.util.Date end, javax.tv.service.SIRequestor requestor) throws javax.tv.service.SIException;


	public javax.tv.service.SIRequest retrieveNextProgramEvent( ProgramEvent event, javax.tv.service.SIRequestor requestor) throws javax.tv.service.SIException;


	public javax.tv.service.SIRequest retrieveProgramEvent(javax.tv.locator.Locator locator, javax.tv.service.SIRequestor requestor) throws javax.tv.locator.InvalidLocatorException, java.lang.SecurityException;


	public void addListener( ProgramScheduleListener listener);


	public void removeListener( ProgramScheduleListener listener);


	public javax.tv.locator.Locator getServiceLocator();

}