Package org.apache.kafka.streams.state.internals

Class WrappingStoreProvider

java.lang.Object

org.apache.kafka.streams.state.internals.WrappingStoreProvider

All Implemented Interfaces:

StateStoreProvider

public class WrappingStoreProvider
extends java.lang.Object
implements StateStoreProvider

Provides a wrapper over multiple underlying StateStoreProviders

Method Summary

Modifier and Type	Method	Description
void	setStoreQueryParameters(StoreQueryParameters storeQueryParameters)
<T> java.util.List<T>	stores(java.lang.String storeName, QueryableStoreType<T> queryableStoreType)	Find instances of StateStore that are accepted by QueryableStoreType.accepts(org.apache.kafka.streams.processor.StateStore) and have the provided storeName.

Methods inherited from class java.lang.Object

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

Method Detail

setStoreQueryParameters

public void setStoreQueryParameters(StoreQueryParameters storeQueryParameters)

stores

public <T> java.util.List<T> stores(java.lang.String storeName,
                                    QueryableStoreType<T> queryableStoreType)

Description copied from interface: StateStoreProvider

Find instances of StateStore that are accepted by QueryableStoreType.accepts(org.apache.kafka.streams.processor.StateStore) and have the provided storeName.

Specified by:

stores in interface StateStoreProvider

Type Parameters:

T - The type of the Store

Parameters:

storeName - name of the store

queryableStoreType - filter stores based on this queryableStoreType

Returns:

List of the instances of the store in this topology. Empty List if not found