bftsmart.consensus

Class Round

java.lang.Object

bftsmart.consensus.Round

All Implemented Interfaces:

java.io.Serializable

public class Round
extends java.lang.Object
implements java.io.Serializable

This class stands for a round of an execution of a consensus

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
TOMMessage[]	deserializedPropValue
java.util.HashSet<PaxosMessage>	proof
byte[]	propValue
byte[]	propValueHash

Constructor Summary

Constructors

Constructor and Description
Round(ServerViewController controller, Execution parent, int number) Creates a new instance of Round for acceptors

Method Summary

Methods

Modifier and Type	Method and Description
void	addToProof(PaxosMessage pm)
void	clear() Clear all round info.
int	countAccept(byte[] value) Retrieves the amount of replicas from which this process accepted a specified value
int	countWrite(byte[] value) Retrieves the amount of replicas from which this process received a WRITE value
boolean	equals(java.lang.Object o)
byte[][]	getAccept() Retrieves all accepted values from all replicas
byte[]	getAccept(int acceptor) Retrieves the accepted value from the specified replica
Execution	getExecution() Retrieves this round's execution
int	getNumber() Retrieves this round's number
java.util.Set<PaxosMessage>	getProof()
byte[][]	getWrite() Retrieves all WRITE value from all replicas
byte[]	getWrite(int acceptor) Retrives the WRITE value from the specified replica
boolean	isAcceptSetted(int acceptor) Informs if there is a accepted value from a replica
boolean	isRemoved() Informs if this round was removed from its execution
boolean	isWriteSetted(int acceptor) Informs if there is a WRITE value from a replica
void	setAccept(int acceptor, byte[] value) Sets the accepted value from the specified replica
void	setRemoved() Set this round as removed from its execution
void	setWrite(int acceptor, byte[] value) Sets the WRITE value from the specified replica
java.lang.String	toString() Print round information.

Methods inherited from class java.lang.Object

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

Field Detail

propValue

public byte[] propValue

deserializedPropValue

public TOMMessage[] deserializedPropValue

propValueHash

public byte[] propValueHash

proof

public java.util.HashSet<PaxosMessage> proof

Constructor Detail

Round

public Round(ServerViewController controller,
     Execution parent,
     int number)

Creates a new instance of Round for acceptors

Parameters:

parent - Execution to which this round belongs

number - Number of the round

timeout - Timeout duration for this round

Method Detail

setRemoved

public void setRemoved()

Set this round as removed from its execution

isRemoved

public boolean isRemoved()

Informs if this round was removed from its execution

Returns:

True if it is removed, false otherwise

addToProof

public void addToProof(PaxosMessage pm)

getProof

public java.util.Set<PaxosMessage> getProof()

getNumber

public int getNumber()

Retrieves this round's number

Returns:

This round's number

getExecution

public Execution getExecution()

Retrieves this round's execution

Returns:

This round's execution

isWriteSetted

public boolean isWriteSetted(int acceptor)

Informs if there is a WRITE value from a replica

Parameters:

acceptor - The replica ID

Returns:

True if there is a WRITE value from a replica, false otherwise

isAcceptSetted

public boolean isAcceptSetted(int acceptor)

Informs if there is a accepted value from a replica

Parameters:

acceptor - The replica ID

Returns:

True if there is a accepted value from a replica, false otherwise

getWrite

public byte[] getWrite(int acceptor)

Retrives the WRITE value from the specified replica

Parameters:

acceptor - The replica ID

Returns:

The value from the specified replica

getWrite

public byte[][] getWrite()

Retrieves all WRITE value from all replicas

Returns:

The values from all replicas

setWrite

public void setWrite(int acceptor,
            byte[] value)

Sets the WRITE value from the specified replica

Parameters:

acceptor - The replica ID

value - The valuefrom the specified replica

getAccept

public byte[] getAccept(int acceptor)

Retrieves the accepted value from the specified replica

Parameters:

acceptor - The replica ID

Returns:

The value accepted from the specified replica

getAccept

public byte[][] getAccept()

Retrieves all accepted values from all replicas

Returns:

The values accepted from all replicas

setAccept

public void setAccept(int acceptor,
             byte[] value)

Sets the accepted value from the specified replica

Parameters:

acceptor - The replica ID

value - The value accepted from the specified replica

countWrite

public int countWrite(byte[] value)

Retrieves the amount of replicas from which this process received a WRITE value

Parameters:

value - The value in question

Returns:

Amount of replicas from which this process received the specified value

countAccept

public int countAccept(byte[] value)

Retrieves the amount of replicas from which this process accepted a specified value

Parameters:

value - The value in question

Returns:

Amount of replicas from which this process accepted the specified value

toString

public java.lang.String toString()

Print round information.

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

clear

public void clear()

Clear all round info.