org.apache.kafka.streams.kstream.internals.KTableRepartitionMapSupplier Maven / Gradle / Ivy
/*
* 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.kstream.internals;
import org.apache.kafka.streams.processor.api.ProcessorSupplier;
public interface KTableRepartitionMapSupplier extends ProcessorSupplier, KOut, Change> {
KTableValueGetterSupplier view();
/**
* Potentially enables sending old values.
*
* If {@code forceMaterialization} is {@code true}, the method will force the materialization of upstream nodes to
* enable sending old values.
*
* If {@code forceMaterialization} is {@code false}, the method will only enable the sending of old values if
* an upstream node is already materialized.
*
* @param forceMaterialization indicates if an upstream node should be forced to materialize to enable sending old
* values.
* @return {@code true} if sending old values is enabled, i.e. either because {@code forceMaterialization} was
* {@code true} or some upstream node is materialized.
*/
boolean enableSendingOldValues(boolean forceMaterialization);
}