io.pravega.client.tables

Interface Version

public interface Version

Version of a Key in a Table.

Field Summary

Fields

Modifier and Type	Field and Description
static Version	NO_VERSION Version that indicates no specific version is desired.
static Version	NOT_EXISTS Version that indicates the TableKey must not exist.

Method Summary

Modifier and Type	Method and Description
io.pravega.client.tables.impl.VersionImpl	asImpl() Returns the actual instance.
static Version	fromString(java.lang.String str) Deserializes the Version from its serialized form obtained from calling toString().
java.lang.String	toString() Serializes the Version to a human readable string.

Field Detail

NO_VERSION

static final Version NO_VERSION

Version that indicates no specific version is desired. Using this will result in an unconditional update or removal being performed. See KeyValueTable for details on conditional/unconditional updates.

NOT_EXISTS

static final Version NOT_EXISTS

Version that indicates the TableKey must not exist. Using this will result in an conditional update or removal being performed, conditioned on the TableKey not existing at the time of the operation. See KeyValueTable for details on conditional/unconditional updates.

Method Detail

asImpl

io.pravega.client.tables.impl.VersionImpl asImpl()

Returns the actual instance. This method prevents other classes from implementing this interface.

Returns:

Implementation of the Version interface.

toString

java.lang.String toString()

Serializes the Version to a human readable string.

Overrides:

toString in class java.lang.Object

Returns:

A string representation of the Version.

fromString

static Version fromString(java.lang.String str)

Deserializes the Version from its serialized form obtained from calling toString().

Parameters:

str - A serialized Version.

Returns:

The Version object.