org.apache.flink.queryablestate.client.state

Class ImmutableAggregatingState<IN,OUT>

java.lang.Object

org.apache.flink.queryablestate.client.state.ImmutableAggregatingState<IN,OUT>

All Implemented Interfaces:

org.apache.flink.api.common.state.AggregatingState<IN,OUT>, org.apache.flink.api.common.state.AppendingState<IN,OUT>, org.apache.flink.api.common.state.MergingState<IN,OUT>, org.apache.flink.api.common.state.State

public final class ImmutableAggregatingState<IN,OUT>
extends Object
implements org.apache.flink.api.common.state.AggregatingState<IN,OUT>

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

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

Field Summary

Fields

Modifier and Type	Field and Description
protected static UnsupportedOperationException	MODIFICATION_ATTEMPT_ERROR

Method Summary

Modifier and Type	Method and Description
void	add(Object newValue)
void	clear()
static <OUT,ACC,S extends org.apache.flink.api.common.state.State> S	createState(org.apache.flink.api.common.state.StateDescriptor<S,ACC> stateDescriptor, byte[] serializedState)
OUT	get()

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 OUT get()

Specified by:

get in interface org.apache.flink.api.common.state.AppendingState<IN,OUT>

add

public void add(Object newValue)

Specified by:

add in interface org.apache.flink.api.common.state.AppendingState<IN,OUT>

clear

public void clear()

Specified by:

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

createState

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

Throws:

IOException