net.sourceforge.nite.gui.textviewer
Class TimeIntervalMapper

java.lang.Object
  net.sourceforge.nite.gui.textviewer.TimeIntervalMapper

public class TimeIntervalMapper
extends java.lang.Object

Class for efficiently selecting objects which overlap particular points on a timeline. Jonathan added span handling 16/9/04.

Author:

judy

Constructor Summary

TimeIntervalMapper()
Construct an empty TimeIntervalMapper.

Method Summary

void	addObject(java.lang.Object o, double startTime, double endTime) Method addObject.
void	dumpBuckets() Utility method to dump the internal "bucket" data structures used by this TimeIntervalMapper.
java.util.Set	getObjectsForTime(double time) Get the set of timed objects which overlap the specified time.
TimeIntervalIterator	getTimeIntervalIterator() Get a TimeIntervalIterator object which allows efficient iteration across the contents of this TimeIntervalMapper.
void	removeObject(java.lang.Object o, double startTime, double endTime) Remove the specified object from the buckets

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimeIntervalMapper

public TimeIntervalMapper()

Construct an empty TimeIntervalMapper.

Method Detail

removeObject

public void removeObject(java.lang.Object o,
                         double startTime,
                         double endTime)

Remove the specified object from the buckets

Parameters:

o -

startTime -

endTime -

addObject

public void addObject(java.lang.Object o,
                      double startTime,
                      double endTime)

Method addObject.

Parameters:

o - The object to add.

startTime - The start time of the object.

endTime - The end time of the object.

getObjectsForTime

public java.util.Set getObjectsForTime(double time)

Get the set of timed objects which overlap the specified time.

Parameters:

time - The time at which objects should be found.

Returns:

A Set of matching objects, or an empty set for no matches.

getTimeIntervalIterator

public TimeIntervalIterator getTimeIntervalIterator()

Get a TimeIntervalIterator object which allows efficient iteration across the contents of this TimeIntervalMapper.

Returns:

TimeIntervalIterator

dumpBuckets

public void dumpBuckets()

Utility method to dump the internal "bucket" data structures used by this TimeIntervalMapper.