org.apache.flink.runtime.state.heap

Class HeapValueState<K,N,V>

java.lang.Object

org.apache.flink.runtime.state.heap.AbstractHeapState<K,N,V,ValueState<V>,ValueStateDescriptor<V>>

org.apache.flink.runtime.state.heap.HeapValueState<K,N,V>

Type Parameters:

K - The type of the key.

N - The type of the namespace.

V - The type of the value.

All Implemented Interfaces:

State, ValueState<V>, InternalKvState<N>, InternalValueState<N,V>

public class HeapValueState<K,N,V>
extends AbstractHeapState<K,N,V,ValueState<V>,ValueStateDescriptor<V>>
implements InternalValueState<N,V>

Heap-backed partitioned ValueState that is snapshotted into files.

Field Summary

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

currentNamespace, keySerializer, namespaceSerializer, stateDesc, stateTable

Constructor Summary

Constructors

Constructor and Description
HeapValueState(ValueStateDescriptor<V> stateDesc, StateTable<K,N,V> stateTable, TypeSerializer<K> keySerializer, TypeSerializer<N> namespaceSerializer) Creates a new key/value state for the given hash map of key/value pairs.

Method Summary

Methods

Modifier and Type	Method and Description
void	update(V value)
V	value()

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

clear, getSerializedValue, 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

HeapValueState

public HeapValueState(ValueStateDescriptor<V> stateDesc,
              StateTable<K,N,V> stateTable,
              TypeSerializer<K> keySerializer,
              TypeSerializer<N> namespaceSerializer)

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

Parameters:

stateDesc - The state identifier for the state. This contains name and can create a default state value.

stateTable - The state tab;e to use in this kev/value state. May contain initial state.

Method Detail

value

public V value()

Specified by:

value in interface ValueState<V>

update

public void update(V value)

Specified by:

update in interface ValueState<V>