Package org.apache.flink.queryablestate.client.state

Class ImmutableListState<V>

java.lang.Object

org.apache.flink.queryablestate.client.state.ImmutableListState<V>

All Implemented Interfaces:

org.apache.flink.api.common.state.AppendingState<V,Iterable<V>>, org.apache.flink.api.common.state.ListState<V>, org.apache.flink.api.common.state.MergingState<V,Iterable<V>>, org.apache.flink.api.common.state.State

public final class ImmutableListState<V>
extends Object
implements org.apache.flink.api.common.state.ListState<V>

A read-only ListState that does not allow for modifications.

This is the result returned when querying Flink's keyed state using the Queryable State Client and providing an ListStateDescriptor.

Field Summary

Fields

Modifier and Type	Field	Description
protected static UnsupportedOperationException	MODIFICATION_ATTEMPT_ERROR

Method Summary

Modifier and Type	Method	Description
void	add(V value)
void	addAll(List<V> values)
void	clear()
static <V,T,S extends org.apache.flink.api.common.state.State> S	createState(org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor, byte[] serializedState)
Iterable<V>	get()
void	update(List<V> values)

Methods inherited from class java.lang.Object

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

Field Detail

MODIFICATION_ATTEMPT_ERROR

protected static final UnsupportedOperationException MODIFICATION_ATTEMPT_ERROR

Method Detail

get

public Iterable<V> get()

Specified by:

get in interface org.apache.flink.api.common.state.AppendingState<V,Iterable<V>>

add

public void add(V value)

Specified by:

add in interface org.apache.flink.api.common.state.AppendingState<V,Iterable<V>>

clear

public void clear()

Specified by:

clear in interface org.apache.flink.api.common.state.State

update

public void update(List<V> values)

Specified by:

update in interface org.apache.flink.api.common.state.ListState<V>

addAll

public void addAll(List<V> values)

Specified by:

addAll in interface org.apache.flink.api.common.state.ListState<V>

createState

public static <V,T,S extends org.apache.flink.api.common.state.State> S createState(org.apache.flink.api.common.state.StateDescriptor<S,T> stateDescriptor,
                                                                                                byte[] serializedState)
                                                                                         throws IOException

Throws:

IOException