concept.structure
Class ScheduleRestriction

public class ScheduleRestriction

destroy

public void destroy()

A destruction method that severs all the links from this restriction.

setBeginningAndEnd

public boolean setBeginningAndEnd(long begin,
                                  long end)

This is the only method that is allowed access to the ending and beginning attributes of a restriction. This method makes sure that no ending of a restriction takes place before the beginning of the same restriction. If the parameters are in the wrong order, no changes will be made to the attributes and the method returns false.

Parameters:

begin - long the proposed beginning

end - long the proposed ending

Returns:

boolean whether the setting was successful

compare

public int compare(concept.structure.ScheduleRestriction crestriction)

Compares this ScheduleRestriction with another one, based on their starting and ending times.

Parameters:

crestriction - ScheduleRestriction The ScheduleRestriction to be compared

Returns:

int 0 if either of the two restrictions were of 0 duration, -1 if the restrictions collide 1 if there is no collision and both restrictions were of positive duration

compare

public int compare(long begin,
                   long end)

Compares this ScheduleRestriction with a given time period

Parameters:

begin - long given start for the time period

end - long given end for the time period

Returns:

int 0 if if given times or restrictions times were of 0 duration -1 if there is a collision 1 if there is no collision