rice.p2p.glacier
Class FragmentKeyRange

java.lang.Object
  rice.p2p.glacier.FragmentKeyRange

All Implemented Interfaces:

java.io.Serializable, IdRange

public class FragmentKeyRange

extends java.lang.Object

implements IdRange

DESCRIBE THE CLASS

Version:

$Id: FragmentKeyRange.java 2693 2005-08-05 14:00:47Z jeffh $

Author:

ahae

See Also:

Serialized Form

Field Summary

protected IdRange

range The actual IdRange

Constructor Summary

protected

FragmentKeyRange(IdRange range) Constructor

Method Summary

boolean	containsId(Id key) test if a given key lies within this range
IdRange	diffRange(IdRange diff) diffs the given range with this range
boolean	equals(java.lang.Object o) Determines equality
Id	getCCWId() get counterclockwise edge of range
IdRange	getComplementRange() get the complement of this range
Id	getCWId() get clockwise edge of range
int	hashCode() Returns the hashCode
IdRange	intersectRange(IdRange intersect) intersects the given range with this range
boolean	isEmpty() returns whether or not this range is empty
IdRange	mergeRange(IdRange merge) merges the given range with this range
java.lang.String	toString() Prints out the string

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

range

protected IdRange range

The actual IdRange

Constructor Detail

FragmentKeyRange

protected FragmentKeyRange(IdRange range)

Constructor

Parameters:

ringId - DESCRIBE THE PARAMETER

range - DESCRIBE THE PARAMETER

Method Detail

getCCWId

public Id getCCWId()

get counterclockwise edge of range

Specified by:

getCCWId in interface IdRange

Returns:

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

getCWId

public Id getCWId()

get clockwise edge of range

Specified by:

getCWId in interface IdRange

Returns:

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

getComplementRange

public IdRange getComplementRange()

get the complement of this range

Specified by:

getComplementRange in interface IdRange

Returns:

This range's complement

isEmpty

public boolean isEmpty()

returns whether or not this range is empty

Specified by:

isEmpty in interface IdRange

Returns:

Whether or not this range is empty

containsId

public boolean containsId(Id key)

test if a given key lies within this range

Specified by:

containsId in interface IdRange

Parameters:

key - the key

Returns:

true if the key lies within this range, false otherwise

mergeRange

public IdRange mergeRange(IdRange merge)

merges the given range with this range

Specified by:

mergeRange in interface IdRange

Parameters:

merge - DESCRIBE THE PARAMETER

Returns:

The merge

diffRange

public IdRange diffRange(IdRange diff)

diffs the given range with this range

Specified by:

diffRange in interface IdRange

Parameters:

diff - DESCRIBE THE PARAMETER

Returns:

The merge

intersectRange

public IdRange intersectRange(IdRange intersect)

intersects the given range with this range

Specified by:

intersectRange in interface IdRange

Parameters:

intersect - DESCRIBE THE PARAMETER

Returns:

The merge

equals

public boolean equals(java.lang.Object o)

Determines equality

Overrides:

equals in class java.lang.Object

Parameters:

o - DESCRIBE THE PARAMETER

Returns:

Equals

hashCode

public int hashCode()

Returns the hashCode

Overrides:

hashCode in class java.lang.Object

Returns:

hashCode

toString

public java.lang.String toString()

Prints out the string

Overrides:

toString in class java.lang.Object

Returns:

A string