org.apache.kafka.streams.state.TimestampedBytesStore 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.state;
import java.nio.ByteBuffer;
import static org.apache.kafka.clients.consumer.ConsumerRecord.NO_TIMESTAMP;
public interface TimestampedBytesStore {
static byte[] convertToTimestampedFormat(final byte[] plainValue) {
if (plainValue == null) {
return null;
}
return ByteBuffer
.allocate(8 + plainValue.length)
.putLong(NO_TIMESTAMP)
.put(plainValue)
.array();
}
}