Package org.apache.flink.runtime.state.ttl

Class TtlStateFactory<K,N,SV,TTLSV,S extends org.apache.flink.api.common.state.State,IS extends S>

java.lang.Object

org.apache.flink.runtime.state.ttl.TtlStateFactory<K,N,SV,TTLSV,S,IS>

public class TtlStateFactory<K,N,SV,TTLSV,S extends org.apache.flink.api.common.state.State,IS extends S>
extends Object

This state factory wraps state objects, produced by backends, with TTL logic.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TtlStateFactory.TtlSerializer<T>	Serializer for user state value with TTL.
static final class	TtlStateFactory.TtlSerializerSnapshot<T>	A TypeSerializerSnapshot for TtlSerializer.

Method Summary

Modifier and Type	Method	Description
static <K, N, SV, TTLSV, S extends org.apache.flink.api.common.state.State, IS extends S> IS	createStateAndWrapWithTtlIfEnabled(org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, org.apache.flink.api.common.state.StateDescriptor<S,SV> stateDesc, KeyedStateBackend<K> stateBackend, TtlTimeProvider timeProvider)

Methods inherited from class java.lang.Object

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

Method Details

createStateAndWrapWithTtlIfEnabled

public static <K,
N,
SV,
TTLSV,
S extends org.apache.flink.api.common.state.State,
IS extends S>
IS createStateAndWrapWithTtlIfEnabled(org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
 org.apache.flink.api.common.state.StateDescriptor<S,SV> stateDesc,
 KeyedStateBackend<K> stateBackend,
 TtlTimeProvider timeProvider)
                               throws Exception

Throws:

Exception