Module org.elasticsearch.server

Package org.elasticsearch.gateway

Class GatewayMetaState.LucenePersistedState

java.lang.Object

org.elasticsearch.gateway.GatewayMetaState.LucenePersistedState

All Implemented Interfaces:

Closeable, AutoCloseable, CoordinationState.PersistedState

Enclosing class:

GatewayMetaState

public static class GatewayMetaState.LucenePersistedState
extends Object
implements CoordinationState.PersistedState

Encapsulates the incremental writing of metadata to a PersistedClusterStateService.Writer.

Constructor Summary

Constructors

Constructor	Description
LucenePersistedState(PersistedClusterStateService persistedClusterStateService, long currentTerm, ClusterState lastAcceptedState)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getCurrentTerm()	Returns the current term
ClusterState	getLastAcceptedState()	Returns the last accepted cluster state
protected void	maybeWriteInitialState(long currentTerm, ClusterState lastAcceptedState, PersistedClusterStateService.Writer writer)
void	setCurrentTerm(long currentTerm)	Sets a new current term.
void	setLastAcceptedState(ClusterState clusterState)	Sets a new last accepted cluster state.
protected void	writeClusterStateToDisk(ClusterState clusterState)
protected void	writeCurrentTermToDisk(long currentTerm)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.cluster.coordination.CoordinationState.PersistedState

getLatestStoredState, markLastAcceptedStateAsCommitted

Constructor Details

LucenePersistedState

public LucenePersistedState(PersistedClusterStateService persistedClusterStateService,
 long currentTerm,
 ClusterState lastAcceptedState)
                     throws IOException

Throws:

IOException

Method Details

maybeWriteInitialState

protected void maybeWriteInitialState(long currentTerm,
 ClusterState lastAcceptedState,
 PersistedClusterStateService.Writer writer)
                               throws IOException

Throws:

IOException

getCurrentTerm

public long getCurrentTerm()

Description copied from interface: CoordinationState.PersistedState

Returns the current term

Specified by:

getCurrentTerm in interface CoordinationState.PersistedState

getLastAcceptedState

public ClusterState getLastAcceptedState()

Description copied from interface: CoordinationState.PersistedState

Returns the last accepted cluster state

Specified by:

getLastAcceptedState in interface CoordinationState.PersistedState

setCurrentTerm

public void setCurrentTerm(long currentTerm)

Description copied from interface: CoordinationState.PersistedState

Sets a new current term. After a successful call to this method, CoordinationState.PersistedState.getCurrentTerm() should return the last term that was set. The value returned by CoordinationState.PersistedState.getLastAcceptedState() should not be influenced by calls to this method.

Specified by:

setCurrentTerm in interface CoordinationState.PersistedState

writeCurrentTermToDisk

protected void writeCurrentTermToDisk(long currentTerm)

setLastAcceptedState

public void setLastAcceptedState(ClusterState clusterState)

Description copied from interface: CoordinationState.PersistedState

Sets a new last accepted cluster state. After a successful call to this method, CoordinationState.PersistedState.getLastAcceptedState() should return the last cluster state that was set. The value returned by CoordinationState.PersistedState.getCurrentTerm() should not be influenced by calls to this method.

Specified by:

setLastAcceptedState in interface CoordinationState.PersistedState

writeClusterStateToDisk

protected void writeClusterStateToDisk(ClusterState clusterState)

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface CoordinationState.PersistedState

Throws:

IOException