io.ray.streaming.state.keystate.state.impl

Class ValueStateImpl<T>

java.lang.Object

io.ray.streaming.state.keystate.state.impl.ValueStateImpl<T>

All Implemented Interfaces:

State, UnaryState<T>, ValueState<T>

public class ValueStateImpl<T>
extends Object
implements ValueState<T>

ValueState implementation.

Constructor Summary

Constructors

Constructor and Description
ValueStateImpl(ValueStateDescriptor<T> descriptor, KeyStateBackend backend)

Method Summary

Modifier and Type	Method and Description
T	get() get the value in state
void	setCurrentKey(Object currentKey) set current key of the state
void	update(T value) update the value

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueStateImpl

public ValueStateImpl(ValueStateDescriptor<T> descriptor,
                      KeyStateBackend backend)

Method Detail

update

public void update(T value)

Description copied from interface: ValueState

update the value

Specified by:

update in interface ValueState<T>

Parameters:

value - the new value

get

public T get()

Description copied from interface: UnaryState

get the value in state

Specified by:

get in interface UnaryState<T>

Returns:

the value in state

setCurrentKey

public void setCurrentKey(Object currentKey)

set current key of the state

Specified by:

setCurrentKey in interface State