Package org.apache.cassandra.service.snapshot

Class TableSnapshot

java.lang.Object

org.apache.cassandra.service.snapshot.TableSnapshot

public class TableSnapshot
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TableSnapshot.SnapshotTrueSizeCalculator

Constructor Summary

Constructors

Constructor	Description
TableSnapshot(String keyspaceName, String tableName, UUID tableId, String tag, Instant createdAt, Instant expiresAt, Set<File> snapshotDirs, boolean ephemeral)

Method Summary

Modifier and Type	Method	Description
protected static String	buildSnapshotId(String keyspaceName, String tableName, UUID tableId, String tag)
long	computeSizeOnDiskBytes()
long	computeTrueSizeBytes()
boolean	equals(Object o)
boolean	exists()
Instant	getCreatedAt()
Collection<File>	getDirectories()
Instant	getExpiresAt()
String	getId()	Unique identifier of a snapshot.
String	getKeyspaceName()
Optional<File>	getManifestFile()
Optional<File>	getSchemaFile()
String	getTableName()
String	getTag()
int	hashCode()
boolean	isEphemeral()
boolean	isExpired(Instant now)
boolean	isExpiring()
static Predicate<TableSnapshot>	shouldClearSnapshot(String tag, long olderThanTimestamp)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

TableSnapshot

public TableSnapshot(String keyspaceName,
 String tableName,
 UUID tableId,
 String tag,
 Instant createdAt,
 Instant expiresAt,
 Set<File> snapshotDirs,
 boolean ephemeral)

Method Details

getId

public String getId()

Unique identifier of a snapshot. Used only to deduplicate snapshots internally, not exposed externally. table_id may be empty for tables created prior to 2.1

Format: "$ks:$table_name:$table_id:$tag"

getKeyspaceName

public String getKeyspaceName()

getTableName

public String getTableName()

getTag

public String getTag()

getCreatedAt

public Instant getCreatedAt()

getExpiresAt

public Instant getExpiresAt()

isExpired

public boolean isExpired(Instant now)

exists

public boolean exists()

isEphemeral

public boolean isEphemeral()

isExpiring

public boolean isExpiring()

computeSizeOnDiskBytes

public long computeSizeOnDiskBytes()

computeTrueSizeBytes

public long computeTrueSizeBytes()

getDirectories

public Collection<File> getDirectories()

getManifestFile

public Optional<File> getManifestFile()

getSchemaFile

public Optional<File> getSchemaFile()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

buildSnapshotId

protected static String buildSnapshotId(String keyspaceName,
 String tableName,
 @Nullable
 UUID tableId,
 String tag)

shouldClearSnapshot

public static Predicate<TableSnapshot> shouldClearSnapshot(String tag,
 long olderThanTimestamp)