com.sleepycat.je.dbi

Class NodeSequence

java.lang.Object

com.sleepycat.je.dbi.NodeSequence

public class NodeSequence
extends Object

NodeSequence encapsulates the generation and maintenance of a sequence for generating node IDs, transient LSNs and other misc sequences.

Field Summary

Fields

Modifier and Type	Field and Description
EnvironmentImpl	envImpl
static int	FIRST_LOCAL_NODE_ID
static int	FIRST_REPLICATED_NODE_ID

Constructor Summary

Constructors

Constructor and Description
NodeSequence(EnvironmentImpl envImpl)

Method Summary

Modifier and Type	Method and Description
long	getLastLocalNodeId() The last allocated local and replicated node IDs are used for ckpts.
long	getLastReplicatedNodeId()
long	getNextBackupId()
long	getNextDatabaseCountId()
long	getNextDiskOrderedCursorId()
long	getNextLocalNodeId() We get a new node ID of the appropriate kind when creating a new node.
long	getNextNetworkRestoreId()
long	getNextTransientLsn() Assign the next available transient LSN.
void	setLastNodeId(long lastReplicatedNodeId, long lastLocalNodeId) Initialize the node IDs, from recovery.
void	updateFromReplay(long replayNodeId)

Methods inherited from class java.lang.Object

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

Field Detail

FIRST_LOCAL_NODE_ID

public static final int FIRST_LOCAL_NODE_ID

See Also:

Constant Field Values

FIRST_REPLICATED_NODE_ID

public static final int FIRST_REPLICATED_NODE_ID

See Also:

Constant Field Values

envImpl

public final EnvironmentImpl envImpl

Constructor Detail

NodeSequence

public NodeSequence(EnvironmentImpl envImpl)

Method Detail

getLastLocalNodeId

public long getLastLocalNodeId()

The last allocated local and replicated node IDs are used for ckpts.

getLastReplicatedNodeId

public long getLastReplicatedNodeId()

getNextLocalNodeId

public long getNextLocalNodeId()

We get a new node ID of the appropriate kind when creating a new node.

setLastNodeId

public void setLastNodeId(long lastReplicatedNodeId,
                          long lastLocalNodeId)

Initialize the node IDs, from recovery.

updateFromReplay

public void updateFromReplay(long replayNodeId)

getNextTransientLsn

public long getNextTransientLsn()

Assign the next available transient LSN.

getNextBackupId

public long getNextBackupId()

getNextDatabaseCountId

public long getNextDatabaseCountId()

getNextDiskOrderedCursorId

public long getNextDiskOrderedCursorId()

getNextNetworkRestoreId

public long getNextNetworkRestoreId()