org.apache.flink.runtime.state.heap

Class HeapFoldingState<K,N,T,ACC>

java.lang.Object

org.apache.flink.runtime.state.heap.AbstractHeapState<K,N,ACC,org.apache.flink.api.common.state.FoldingState<T,ACC>>

org.apache.flink.runtime.state.heap.HeapFoldingState<K,N,T,ACC>

Type Parameters:

K - The type of the key.

N - The type of the namespace.

T - The type of the values that can be folded into the state.

ACC - The type of the value in the folding state.

All Implemented Interfaces:

org.apache.flink.api.common.state.AppendingState<T,ACC>, org.apache.flink.api.common.state.FoldingState<T,ACC>, org.apache.flink.api.common.state.State, InternalAppendingState<K,N,T,ACC,ACC>, InternalFoldingState<K,N,T,ACC>, InternalKvState<K,N,ACC>

Deprecated.

will be removed in a future version

@Deprecated
public class HeapFoldingState<K,N,T,ACC>
extends AbstractHeapState<K,N,ACC,org.apache.flink.api.common.state.FoldingState<T,ACC>>
implements InternalFoldingState<K,N,T,ACC>

Heap-backed partitioned FoldingState that is snapshotted into files.

Field Summary

Fields inherited from class org.apache.flink.runtime.state.heap.AbstractHeapState

currentNamespace, keySerializer, namespaceSerializer, stateTable, valueSerializer

Constructor Summary

Constructors

Constructor and Description

HeapFoldingState(StateTable<K,N,ACC> stateTable, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<ACC> valueSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer, ACC defaultValue, org.apache.flink.api.common.functions.FoldFunction<T,ACC> foldFunction) Deprecated. Creates a new key/value state for the given hash map of key/value pairs.

Method Summary

Modifier and Type	Method and Description
void	add(T value) Deprecated.
ACC	get() Deprecated.
org.apache.flink.api.common.typeutils.TypeSerializer<K>	getKeySerializer() Deprecated. Returns the TypeSerializer for the type of key this state is associated to.
org.apache.flink.api.common.typeutils.TypeSerializer<N>	getNamespaceSerializer() Deprecated. Returns the TypeSerializer for the type of namespace this state is associated to.
org.apache.flink.api.common.typeutils.TypeSerializer<ACC>	getValueSerializer() Deprecated. Returns the TypeSerializer for the type of value this state holds.

Methods inherited from class org.apache.flink.runtime.state.heap.AbstractHeapState

clear, getDefaultValue, getSerializedValue, getStateTable, setCurrentNamespace

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.runtime.state.internal.InternalKvState

getSerializedValue, setCurrentNamespace

Methods inherited from interface org.apache.flink.api.common.state.State

clear

Constructor Detail

HeapFoldingState

public HeapFoldingState(StateTable<K,N,ACC> stateTable,
                        org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer,
                        org.apache.flink.api.common.typeutils.TypeSerializer<ACC> valueSerializer,
                        org.apache.flink.api.common.typeutils.TypeSerializer<N> namespaceSerializer,
                        ACC defaultValue,
                        org.apache.flink.api.common.functions.FoldFunction<T,ACC> foldFunction)

Deprecated.

Creates a new key/value state for the given hash map of key/value pairs.

Parameters:

stateTable - The state table for which this state is associated to.

keySerializer - The serializer for the keys.

valueSerializer - The serializer for the state.

namespaceSerializer - The serializer for the namespace.

defaultValue - The default value for the state.

foldFunction - The fold function used for folding state.

Method Detail

getKeySerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<K> getKeySerializer()

Deprecated.

Description copied from interface: InternalKvState

Returns the TypeSerializer for the type of key this state is associated to.

Specified by:

getKeySerializer in interface InternalKvState<K,N,ACC>

getNamespaceSerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<N> getNamespaceSerializer()

Deprecated.

Description copied from interface: InternalKvState

Returns the TypeSerializer for the type of namespace this state is associated to.

Specified by:

getNamespaceSerializer in interface InternalKvState<K,N,ACC>

getValueSerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<ACC> getValueSerializer()

Deprecated.

Description copied from interface: InternalKvState

Returns the TypeSerializer for the type of value this state holds.

Specified by:

getValueSerializer in interface InternalKvState<K,N,ACC>

get

public ACC get()

Deprecated.

Specified by:

get in interface org.apache.flink.api.common.state.AppendingState<T,ACC>

add

public void add(T value)
         throws IOException

Deprecated.

Specified by:

add in interface org.apache.flink.api.common.state.AppendingState<T,ACC>

Throws:

IOException