org.apache.pulsar.functions.instance.state

Class StateContextImpl

java.lang.Object

org.apache.pulsar.functions.instance.state.StateContextImpl

All Implemented Interfaces:

StateContext

public class StateContextImpl
extends Object
implements StateContext

This class accumulates the state updates from one function.

currently it exposes incr operations. but we can expose other key/values operations if needed.

Constructor Summary

Constructors

Constructor and Description
StateContextImpl(org.apache.bookkeeper.api.kv.Table<io.netty.buffer.ByteBuf,io.netty.buffer.ByteBuf> table)

Method Summary

Modifier and Type	Method and Description
CompletableFuture<Void>	flush() flush and wait all the updates to be completed.
void	incr(String key, long amount)

Methods inherited from class java.lang.Object

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

Constructor Detail

StateContextImpl

public StateContextImpl(org.apache.bookkeeper.api.kv.Table<io.netty.buffer.ByteBuf,io.netty.buffer.ByteBuf> table)

Method Detail

incr

public void incr(String key,
                 long amount)

Specified by:

incr in interface StateContext

flush

public CompletableFuture<Void> flush()

flush and wait all the updates to be completed.

Specified by:

flush in interface StateContext