org.apache.kafka.streams.processor.BatchingStateRestoreCallback 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.processor;
import org.apache.kafka.streams.KeyValue;
import java.util.Collection;
/**
* Interface for batching restoration of a {@link StateStore}
*
* It is expected that implementations of this class will not call the {@link StateRestoreCallback#restore(byte[],
* byte[])} method.
*/
public interface BatchingStateRestoreCallback extends StateRestoreCallback {
/**
* Called to restore a number of records. This method is called repeatedly until the {@link StateStore} is fulled
* restored.
*
* @param records the records to restore.
*/
void restoreAll(Collection> records);
@Override
default void restore(byte[] key, byte[] value) {
throw new UnsupportedOperationException();
}
}