Record Class FileSystemSpooledSegmentHandle

java.lang.Object

java.lang.Record

io.trino.spooling.filesystem.FileSystemSpooledSegmentHandle

All Implemented Interfaces:

io.trino.spi.protocol.SpooledSegmentHandle

public record FileSystemSpooledSegmentHandle(String encoding, byte[] uuid, Optional<EncryptionKey> encryptionKey)
extends Record
implements io.trino.spi.protocol.SpooledSegmentHandle

Constructor Summary

Constructors

Constructor	Description
FileSystemSpooledSegmentHandle(String encoding, byte[] uuid, Optional<EncryptionKey> encryptionKey)	Creates an instance of a FileSystemSpooledSegmentHandle record class.

Method Summary

Modifier and Type	Method	Description
String	encoding()	Returns the value of the encoding record component.
Optional<EncryptionKey>	encryptionKey()	Returns the value of the encryptionKey record component.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
Instant	expirationTime()
final int	hashCode()	Returns a hash code value for this object.
String	identifier()	Storage identifiers are ULIDs which are ordered lexicographically by the time of the expiration.
static FileSystemSpooledSegmentHandle	random(Random random, io.trino.spi.protocol.SpoolingContext context, Instant expireAt)
static FileSystemSpooledSegmentHandle	random(Random random, io.trino.spi.protocol.SpoolingContext context, Instant expireAt, Optional<EncryptionKey> encryptionKey)
String	toString()	Returns a string representation of this record class.
byte[]	uuid()	Returns the value of the uuid record component.

Methods inherited from class java.lang.Object

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

Constructor Details

FileSystemSpooledSegmentHandle

public FileSystemSpooledSegmentHandle(String encoding,
 byte[] uuid,
 Optional<EncryptionKey> encryptionKey)

Creates an instance of a FileSystemSpooledSegmentHandle record class.

Parameters:

encoding - the value for the encoding record component

uuid - the value for the uuid record component

encryptionKey - the value for the encryptionKey record component

Method Details

random

public static FileSystemSpooledSegmentHandle random(Random random,
 io.trino.spi.protocol.SpoolingContext context,
 Instant expireAt)

random

public static FileSystemSpooledSegmentHandle random(Random random,
 io.trino.spi.protocol.SpoolingContext context,
 Instant expireAt,
 Optional<EncryptionKey> encryptionKey)

expirationTime

public Instant expirationTime()

Specified by:

expirationTime in interface io.trino.spi.protocol.SpooledSegmentHandle

identifier

public String identifier()

Storage identifiers are ULIDs which are ordered lexicographically by the time of the expiration. This makes it possible to find the expired segments by listing the storage objects. This is crucial for the storage cleanup process to be able to efficiently delete the expired segments.

Specified by:

identifier in interface io.trino.spi.protocol.SpooledSegmentHandle

Returns:

String lexicographically sortable storage object name

See Also:

• ULID specification

toString

public String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

encoding

public String encoding()

Returns the value of the encoding record component.

Specified by:

encoding in interface io.trino.spi.protocol.SpooledSegmentHandle

Returns:

the value of the encoding record component

uuid

public byte[] uuid()

Returns the value of the uuid record component.

Returns:

the value of the uuid record component

encryptionKey

public Optional<EncryptionKey> encryptionKey()

Returns the value of the encryptionKey record component.

Returns:

the value of the encryptionKey record component