Package org.apache.ignite.internal.processors.cache.persistence.snapshot

Class IncrementalSnapshotMetadata

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.snapshot.IncrementalSnapshotMetadata

All Implemented Interfaces:

Serializable

public class IncrementalSnapshotMetadata
extends Object
implements Serializable

Incremental snapshot metadata file.

See Also:

IgniteSnapshotManager.createIncrementalSnapshot(String), Serialized Form

Constructor Summary

Constructors

Constructor	Description
IncrementalSnapshotMetadata(UUID rqId, String snpName, int incIdx, String consId, String folderName, long snapshotTime, WALPointer incSnpRec)

Method Summary

Modifier and Type	Method	Description
String	consistentId()
String	folderName()
WALPointer	incrementalSnapshotPointer()
int	incrementIndex()
boolean	matchBaseSnapshot(SnapshotMetadata meta)	Checks that incremental snapshot is based on this full snapshot.
UUID	requestId()
String	snapshotName()
long	snapshotTime()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

IncrementalSnapshotMetadata

public IncrementalSnapshotMetadata(UUID rqId,
                                   String snpName,
                                   int incIdx,
                                   String consId,
                                   String folderName,
                                   long snapshotTime,
                                   WALPointer incSnpRec)

Parameters:

rqId - Unique request id.

snpName - Snapshot name.

incIdx - Incremental snapshot index.

consId - Consistent id of a node to which this metadata relates.

folderName - Directory name which stores the data files.

incSnpRec - Pointer to IncrementalSnapshotFinishRecord.

snapshotTime - Timestamp of the snapshot creation.

Method Detail

requestId

public UUID requestId()

Returns:

Snapshot request ID.

snapshotName

public String snapshotName()

Returns:

Snapshot name.

consistentId

public String consistentId()

Returns:

Consistent ID of a node to which this metadata relates.

incrementalSnapshotPointer

public WALPointer incrementalSnapshotPointer()

Returns:

Pointer to IncrementalSnapshotFinishRecord.

incrementIndex

public int incrementIndex()

Returns:

Incremental snapshot index.

folderName

public String folderName()

Returns:

Name of the folder that contains snapshot data.

snapshotTime

public long snapshotTime()

Returns:

Creation timestamp in milliseconds since Unix epoch.

matchBaseSnapshot

public boolean matchBaseSnapshot(SnapshotMetadata meta)

Checks that incremental snapshot is based on this full snapshot.

Parameters:

meta - Full snapshot metadata to verify.

Returns:

false if given metadata doesn't match full snapshot.

toString

public String toString()

Overrides:

toString in class Object