@PublicEvolving public final class ImmutableValueState<V> extends Object implements org.apache.flink.api.common.state.ValueState<V>
ValueState
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 ValueStateDescriptor
.
Modifier and Type | Field and Description |
---|---|
protected static UnsupportedOperationException |
MODIFICATION_ATTEMPT_ERROR |
Modifier and Type | Method and Description |
---|---|
void |
clear() |
static <V> ImmutableValueState<V> |
createState(org.apache.flink.api.common.state.ValueStateDescriptor<V> stateDescriptor,
byte[] serializedState) |
void |
update(V newValue) |
V |
value() |
protected static final UnsupportedOperationException MODIFICATION_ATTEMPT_ERROR
public V value()
value
in interface org.apache.flink.api.common.state.ValueState<V>
public void update(V newValue)
update
in interface org.apache.flink.api.common.state.ValueState<V>
public void clear()
clear
in interface org.apache.flink.api.common.state.State
public static <V> ImmutableValueState<V> createState(org.apache.flink.api.common.state.ValueStateDescriptor<V> stateDescriptor, byte[] serializedState) throws IOException
IOException
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