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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.protocols

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Class Diagram

Java Document (Java Doc)

java.lang .Object

org.jgroups.protocols .VectorTime

VectorTime
public class VectorTime (Code)
	Vector timestamp used in CAUSAL order protocol stack author: Vladimir Blagojevic vladimir@cs.yorku.ca version: $Revision: 1.6 $

Constructor Summary
public	VectorTime(Address owner)

Method Summary
public Collection	getMembers()
public int	getOwnerIndex()
public TransportedVectorTime	getTransportedVectorTime() Returns a minimal lightweight representation of this Vector Time suitable for network transport.
public int[]	getValues()
public Collection	getVectorValues()
public void	increment()
public int	indexOf(Address member)
public boolean	isCausallyNext(TransportedVectorTime other)
public void	max(TransportedVectorTime other) Maxes this VectorTime with the specified TransportedVectorTime.
public void	merge(Vector newMembers)
public void	reset()
public String	toString()

Constructor Detail

VectorTime
public VectorTime(Address owner)(Code)
	Constructs VectorTime given an adress of a owning group member Parameters: owner - Address of the owner group member

Method Detail

getMembers
public Collection getMembers()(Code)
	Returns Collection containing addresses of other group members from this Vector clock Addresses of other group members

getOwnerIndex
public int getOwnerIndex()(Code)
	Returns owner index in this VectorTime clock index of the owner of this VectorTime or -1 if not found

getTransportedVectorTime
public TransportedVectorTime getTransportedVectorTime()(Code)
	Returns a minimal lightweight representation of this Vector Time suitable for network transport. lightweight representation of this VectorTime in theform of TransportedVectorTime object

getValues
public int[] getValues()(Code)
	Returns Vector clock values of this Vector clock values of the Vector clock as an array

getVectorValues
public Collection getVectorValues()(Code)
	Returns Vector clock values of this Vector clock values of the Vector clock

increment
public void increment()(Code)
	Incerements owners current vector value by 1

indexOf
public int indexOf(Address member)(Code)
	Returns index of the given member represented by it's Address Parameters: member - group member represented by this Address index of the group member or -1 if not found

isCausallyNext
public boolean isCausallyNext(TransportedVectorTime other)(Code)
	Determines if the vector clock represented by TransportedVectorTime is causally next to this VectorTime Parameters: other - TransportedVectorTime representation of vector clock true if the given TransportedVectorTime is the next causal to this VectorTime

max

public void max(TransportedVectorTime other)(Code)

Maxes this VectorTime with the specified TransportedVectorTime. Updates this VectorTime as follows:

for every k:1...n VT(pj)[k] == max(VT(mi)[k],VT(pj)[k])

Parameters:
other - TransportedVectorTime that is max-ed with this VectorTime

merge
public void merge(Vector newMembers)(Code)
	Merges this VectorTime with new members of the group VectorTime can possibly either grow or shrink Parameters: newMembers - members of this group

reset
public void reset()(Code)
	Resets all the values in this vector clock to 0

toString
public String toString()(Code)
	return String representation of the VectorTime String representation of this VectorTime object

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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