org.apache.kafka.streams.processor.Punctuator Maven / Gradle / Ivy
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* 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 java.time.Duration;
/**
* A functional interface used as an argument to {@link ProcessorContext#schedule(Duration, PunctuationType, Punctuator)}.
*
* @see Cancellable
*/
public interface Punctuator {
/**
* Perform the scheduled periodic operation.
*
* @param timestamp when the operation is being called, depending on {@link PunctuationType}
*/
void punctuate(long timestamp);
}