org.apache.zookeeper.server.quorum.flexible

Class QuorumMaj

java.lang.Object

org.apache.zookeeper.server.quorum.flexible.QuorumMaj

All Implemented Interfaces:

QuorumVerifier

public class QuorumMaj
extends Object
implements QuorumVerifier

This class implements a validator for majority quorums. The implementation is straightforward.

Constructor Summary

Constructors

Constructor and Description
QuorumMaj(int n) Defines a majority to avoid computing it every time.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	containsQuorum(HashSet<Long> set) Verifies if a set is a majority.
long	getWeight(long id) Returns weight of 1 by default.

Methods inherited from class java.lang.Object

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

Constructor Detail

QuorumMaj

public QuorumMaj(int n)

Defines a majority to avoid computing it every time.

Parameters:

n - number of servers

Method Detail

getWeight

public long getWeight(long id)

Returns weight of 1 by default.

Specified by:

getWeight in interface QuorumVerifier

Parameters:

id -

containsQuorum

public boolean containsQuorum(HashSet<Long> set)

Verifies if a set is a majority.

Specified by:

containsQuorum in interface QuorumVerifier