org.apache.zookeeper.server.quorum.flexible

Class QuorumOracleMaj

java.lang.Object

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

org.apache.zookeeper.server.quorum.flexible.QuorumOracleMaj

All Implemented Interfaces:

QuorumVerifier

public class QuorumOracleMaj
extends QuorumMaj

Field Summary

Fields inherited from class org.apache.zookeeper.server.quorum.flexible.QuorumMaj

half

Constructor Summary

Constructors

Constructor and Description
QuorumOracleMaj(Map<Long,QuorumPeer.QuorumServer> allMembers, String oraclePath)
QuorumOracleMaj(Properties props, String oraclePath)

Method Summary

Modifier and Type	Method and Description
boolean	askOracle()
boolean	containsQuorum(Set<Long> ackSet) Verifies if a set is a majority.
boolean	equals(Object o)
boolean	getNeedOracle()
String	getOraclePath()
int	hashCode()
boolean	overrideQuorumDecision(List<LearnerHandler> forwardingFollowers)
boolean	revalidateOutstandingProp(Leader self, ArrayList<Leader.Proposal> outstandingProposal, long lastCommitted)
boolean	revalidateVoteset(SyncedLearnerTracker voteSet, boolean timeout)
boolean	updateNeedOracle(List<LearnerHandler> forwardingFollowers)

Methods inherited from class org.apache.zookeeper.server.quorum.flexible.QuorumMaj

getAllMembers, getObservingMembers, getVersion, getVotingMembers, getWeight, setVersion, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

QuorumOracleMaj

public QuorumOracleMaj(Map<Long,QuorumPeer.QuorumServer> allMembers,
                       String oraclePath)

QuorumOracleMaj

public QuorumOracleMaj(Properties props,
                       String oraclePath)
                throws QuorumPeerConfig.ConfigException

Throws:

QuorumPeerConfig.ConfigException

Method Detail

updateNeedOracle

public boolean updateNeedOracle(List<LearnerHandler> forwardingFollowers)

askOracle

public boolean askOracle()

getNeedOracle

public boolean getNeedOracle()

getOraclePath

public String getOraclePath()

overrideQuorumDecision

public boolean overrideQuorumDecision(List<LearnerHandler> forwardingFollowers)

revalidateOutstandingProp

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

revalidateVoteset

public boolean revalidateVoteset(SyncedLearnerTracker voteSet,
                                 boolean timeout)

containsQuorum

public boolean containsQuorum(Set<Long> ackSet)

Description copied from class: QuorumMaj

Verifies if a set is a majority. Assumes that ackSet contains acks only from votingMembers

Specified by:

containsQuorum in interface QuorumVerifier

Overrides:

containsQuorum in class QuorumMaj

equals

public boolean equals(Object o)

Specified by:

equals in interface QuorumVerifier

Overrides:

equals in class QuorumMaj

hashCode

public int hashCode()

Overrides:

hashCode in class QuorumMaj