io.openmessaging.storage.dledger.store

Class DLedgerStore

java.lang.Object

io.openmessaging.storage.dledger.store.DLedgerStore

Direct Known Subclasses:

DLedgerMemoryStore, DLedgerMmapFileStore

public abstract class DLedgerStore
extends Object

Constructor Summary

Constructors

Constructor and Description
DLedgerStore()

Method Summary

Modifier and Type	Method and Description
abstract DLedgerEntry	appendAsFollower(DLedgerEntry entry, long leaderTerm, String leaderId)
abstract DLedgerEntry	appendAsLeader(DLedgerEntry entry)
void	flush()
abstract DLedgerEntry	get(Long index)
abstract long	getCommittedIndex()
abstract long	getLedgerBeginIndex()
abstract long	getLedgerEndIndex()
abstract long	getLedgerEndTerm()
MemberState	getMemberState()
void	shutdown()
void	startup()
long	truncate(DLedgerEntry entry, long leaderTerm, String leaderId)
void	updateCommittedIndex(long term, long committedIndex)
protected void	updateLedgerEndIndexAndTerm()

Methods inherited from class java.lang.Object

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

Constructor Detail

DLedgerStore

public DLedgerStore()

Method Detail

getMemberState

public MemberState getMemberState()

appendAsLeader

public abstract DLedgerEntry appendAsLeader(DLedgerEntry entry)

appendAsFollower

public abstract DLedgerEntry appendAsFollower(DLedgerEntry entry,
                                              long leaderTerm,
                                              String leaderId)

get

public abstract DLedgerEntry get(Long index)

getCommittedIndex

public abstract long getCommittedIndex()

updateCommittedIndex

public void updateCommittedIndex(long term,
                                 long committedIndex)

getLedgerEndTerm

public abstract long getLedgerEndTerm()

getLedgerEndIndex

public abstract long getLedgerEndIndex()

getLedgerBeginIndex

public abstract long getLedgerBeginIndex()

updateLedgerEndIndexAndTerm

protected void updateLedgerEndIndexAndTerm()

flush

public void flush()

truncate

public long truncate(DLedgerEntry entry,
                     long leaderTerm,
                     String leaderId)

startup

public void startup()

shutdown

public void shutdown()