Package org.apache.flink.streaming.api.operators

Class InternalTimersSnapshotReaderWriters

java.lang.Object

org.apache.flink.streaming.api.operators.InternalTimersSnapshotReaderWriters

@Internal
public class InternalTimersSnapshotReaderWriters
extends Object

Readers and writers for different versions of the InternalTimersSnapshot. Outdated formats are also kept here for documentation of history backlog.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	InternalTimersSnapshotReaderWriters.InternalTimersSnapshotReader<K,N>	A reader for a InternalTimersSnapshot.
static interface	InternalTimersSnapshotReaderWriters.InternalTimersSnapshotWriter	A writer for a InternalTimersSnapshot.
static class	InternalTimersSnapshotReaderWriters.LegacyTimerSerializer<K,N>	A TypeSerializer used to serialize/deserialize a TimerHeapInternalTimer.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	NO_VERSION

Constructor Summary

Constructors

Constructor	Description
InternalTimersSnapshotReaderWriters()

Method Summary

Modifier and Type	Method	Description
static <K, N> InternalTimersSnapshotReaderWriters.InternalTimersSnapshotReader<K,N>	getReaderForVersion(int version, ClassLoader userCodeClassLoader)
static <K, N> InternalTimersSnapshotReaderWriters.InternalTimersSnapshotWriter	getWriterForVersion(int version, InternalTimersSnapshot<K,N> timersSnapshot, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer)

Methods inherited from class java.lang.Object

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

Field Details

NO_VERSION

public static final int NO_VERSION

See Also:

• Constant Field Values

Constructor Details

InternalTimersSnapshotReaderWriters

public InternalTimersSnapshotReaderWriters()

Method Details

getWriterForVersion

public static <K,
N>
InternalTimersSnapshotReaderWriters.InternalTimersSnapshotWriter getWriterForVersion(int version,
 InternalTimersSnapshot<K,N> timersSnapshot,
 org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer,
 org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer)

getReaderForVersion

public static <K,
N>
InternalTimersSnapshotReaderWriters.InternalTimersSnapshotReader<K,N> getReaderForVersion(int version,
 ClassLoader userCodeClassLoader)