Package org.gridgain.internal.pitr.metastorage

Class PitrMetaStorageKeys

java.lang.Object

org.gridgain.internal.pitr.metastorage.PitrMetaStorageKeys

public class PitrMetaStorageKeys
extends Object

Class containing methods and constants related to Meta Storage keys used in the PITR.

There are 3 types of keys:

1. That map to recovery Global State in gridgain.pitr.recover.global.<operation_id> format.
2. That map to recovery Local State in gridgain.pitr.recover.local.<operation_id>.<node_name> format.
3. Global PITR lock key gridgain.pitr.recover.lock.

Constructor Summary

Constructors

Constructor	Description
PitrMetaStorageKeys()

Method Summary

Modifier and Type	Method	Description
static org.apache.ignite.internal.lang.ByteArray	buildTableLockKey(TableName tableName)	Creates a Meta Storage key that maps to recovered table lock.
static String	nodeNameFromPitrLocalStateKey(byte[] key)
static org.apache.ignite.internal.lang.ByteArray	pitrCoordinatorTermKey(UUID operationId)	Creates a Meta Storage key that maps to the PITR Coordinator Term of a given operation.
static org.apache.ignite.internal.lang.ByteArray	pitrGlobalStateKey(UUID operationId)
static org.apache.ignite.internal.lang.ByteArray	pitrGlobalStatePrefix()
static org.apache.ignite.internal.lang.ByteArray	pitrLocalStateKey(UUID operationId, String nodeName)
static org.apache.ignite.internal.lang.ByteArray	pitrLocalStatePrefix(UUID operationId)

Methods inherited from class java.lang.Object

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

Constructor Details

PitrMetaStorageKeys

public PitrMetaStorageKeys()

Method Details

pitrGlobalStatePrefix

public static org.apache.ignite.internal.lang.ByteArray pitrGlobalStatePrefix()

pitrGlobalStateKey

public static org.apache.ignite.internal.lang.ByteArray pitrGlobalStateKey(UUID operationId)

pitrLocalStatePrefix

public static org.apache.ignite.internal.lang.ByteArray pitrLocalStatePrefix(UUID operationId)

pitrLocalStateKey

public static org.apache.ignite.internal.lang.ByteArray pitrLocalStateKey(UUID operationId,
 String nodeName)

nodeNameFromPitrLocalStateKey

public static String nodeNameFromPitrLocalStateKey(byte[] key)

pitrCoordinatorTermKey

public static org.apache.ignite.internal.lang.ByteArray pitrCoordinatorTermKey(UUID operationId)

Creates a Meta Storage key that maps to the PITR Coordinator Term of a given operation.

Parameters:

operationId - Operation ID.

Returns:

Meta Storage key that maps to the PITR Coordinator term.

buildTableLockKey

public static org.apache.ignite.internal.lang.ByteArray buildTableLockKey(TableName tableName)

Creates a Meta Storage key that maps to recovered table lock.

Parameters:

tableName - Table name.