kafka StateStoreProvider 源码
kafka StateStoreProvider 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/state/internals/StateStoreProvider.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kafka.streams.state.internals;
import org.apache.kafka.streams.processor.StateStore;
import org.apache.kafka.streams.state.QueryableStoreType;
import org.apache.kafka.streams.state.QueryableStoreTypes;
import java.util.List;
/**
* Provides access to {@link StateStore}s that have been created
* as part of the {@link org.apache.kafka.streams.processor.internals.ProcessorTopology}.
* To get access to custom stores developers should implement {@link QueryableStoreType}.
* @see QueryableStoreTypes
*/
public interface StateStoreProvider {
/**
* Find instances of StateStore that are accepted by {@link QueryableStoreType#accepts} and
* have the provided storeName.
*
* @param storeName name of the store
* @param queryableStoreType filter stores based on this queryableStoreType
* @param <T> The type of the Store
* @return List of the instances of the store in this topology. Empty List if not found
*/
<T> List<T> stores(String storeName, QueryableStoreType<T> queryableStoreType);
}
相关信息
相关文章
kafka AbstractDualSchemaRocksDBSegmentedBytesStore 源码
kafka AbstractMergedSortedCacheStoreIterator 源码
kafka AbstractRocksDBSegmentedBytesStore 源码
kafka AbstractRocksDBTimeOrderedSegmentedBytesStore 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦