org.apache.zookeeper.server.quorum.flexible

Interface QuorumVerifier

All Known Implementing Classes:

QuorumHierarchical, QuorumMaj, QuorumOracleMaj

public interface QuorumVerifier

All quorum validators have to implement a method called containsQuorum, which verifies if a HashSet of server identifiers constitutes a quorum.

Method Summary

Modifier and Type	Method and Description
default boolean	askOracle()
boolean	containsQuorum(Set<Long> set)
boolean	equals(Object o)
Map<Long,QuorumPeer.QuorumServer>	getAllMembers()
default boolean	getNeedOracle()
Map<Long,QuorumPeer.QuorumServer>	getObservingMembers()
default String	getOraclePath()
long	getVersion()
Map<Long,QuorumPeer.QuorumServer>	getVotingMembers()
long	getWeight(long id)
default boolean	overrideQuorumDecision(List<LearnerHandler> forwardingFollowers)
default boolean	revalidateOutstandingProp(Leader self, ArrayList<Leader.Proposal> outstandingProposal, long lastCommitted)
default boolean	revalidateVoteset(SyncedLearnerTracker voteSet, boolean timeout)
void	setVersion(long ver)
String	toString()
default boolean	updateNeedOracle(List<LearnerHandler> forwardingFollowers)

Method Detail

getWeight

long getWeight(long id)

containsQuorum

boolean containsQuorum(Set<Long> set)

getVersion

long getVersion()

setVersion

void setVersion(long ver)

getAllMembers

Map<Long,QuorumPeer.QuorumServer> getAllMembers()

getVotingMembers

Map<Long,QuorumPeer.QuorumServer> getVotingMembers()

getObservingMembers

Map<Long,QuorumPeer.QuorumServer> getObservingMembers()

equals

boolean equals(Object o)

Overrides:

equals in class Object

updateNeedOracle

default boolean updateNeedOracle(List<LearnerHandler> forwardingFollowers)

getNeedOracle

default boolean getNeedOracle()

askOracle

default boolean askOracle()

overrideQuorumDecision

default boolean overrideQuorumDecision(List<LearnerHandler> forwardingFollowers)

revalidateOutstandingProp

default boolean revalidateOutstandingProp(Leader self,
                                          ArrayList<Leader.Proposal> outstandingProposal,
                                          long lastCommitted)

revalidateVoteset

default boolean revalidateVoteset(SyncedLearnerTracker voteSet,
                                  boolean timeout)

getOraclePath

default String getOraclePath()

toString

String toString()

Overrides:

toString in class Object