rice.p2p.commonapi
Interface IdRange

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

FragmentKeyRange, GCIdRange, IdRange, MultiringIdRange, VersionKeyRange

public interface IdRange

extends java.io.Serializable

Version:

$Id: IdRange.java 2302 2005-03-11 00:58:26Z jeffh $

Author:

Alan Mislove, Peter Druschel

Method Summary

boolean	containsId(Id key) test if a given key lies within this range
IdRange	diffRange(IdRange range) diffs the given range with this range
Id	getCCWId() get counterclockwise edge of range
IdRange	getComplementRange() get the complement of this range
Id	getCWId() get clockwise edge of range
IdRange	intersectRange(IdRange range) intersects the given range with this range
boolean	isEmpty() returns whether or not this range is empty
IdRange	mergeRange(IdRange range) merges the given range with this range

Method Detail

containsId

boolean containsId(Id key)

test if a given key lies within this range

Parameters:

key - the key

Returns:

true if the key lies within this range, false otherwise

getCCWId

Id getCCWId()

get counterclockwise edge of range

Returns:

the id at the counterclockwise edge of the range (inclusive)

getCWId

Id getCWId()

get clockwise edge of range

Returns:

the id at the clockwise edge of the range (exclusive)

getComplementRange

IdRange getComplementRange()

get the complement of this range

Returns:

This range's complement

mergeRange

IdRange mergeRange(IdRange range)

merges the given range with this range

Returns:

The merge

diffRange

IdRange diffRange(IdRange range)

diffs the given range with this range

Returns:

The merge

intersectRange

IdRange intersectRange(IdRange range)

intersects the given range with this range

Returns:

The merge

isEmpty

boolean isEmpty()

returns whether or not this range is empty

Returns:

Whether or not this range is empty