Package org.apache.flink.runtime.state.changelog

Class StateChange

java.lang.Object

org.apache.flink.runtime.state.changelog.StateChange

All Implemented Interfaces:

Serializable

@Internal
public class StateChange
extends Object
implements Serializable

Change of state of a keyed operator. Used for generic incremental checkpoints.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	META_KEY_GROUP

Method Summary

Modifier and Type	Method	Description
byte[]	getChange()
int	getKeyGroup()
static StateChange	ofDataChange(int keyGroup, byte[] change)
static StateChange	ofMetadataChange(byte[] change)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

META_KEY_GROUP

public static final int META_KEY_GROUP

See Also:

• Constant Field Values

Method Details

ofMetadataChange

public static StateChange ofMetadataChange(byte[] change)

ofDataChange

public static StateChange ofDataChange(int keyGroup,
 byte[] change)

toString

public String toString()

Overrides:

toString in class Object

getKeyGroup

public int getKeyGroup()

getChange

public byte[] getChange()