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/*
* Copyright 2023 Responsive Computing, Inc.
*
* Licensed 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 dev.responsive.kafka.internal.utils;
import dev.responsive.kafka.internal.db.KeySpec;
public class Result> {
public final K key;
public final byte[] value;
public final boolean isTombstone;
public final long timestamp;
public static > Result value(
final K key,
final byte[] value,
final long timestamp
) {
return new Result<>(key, value, false, timestamp);
}
public static > Result tombstone(
final K key,
final long timestamp
) {
return new Result<>(key, null, true, timestamp);
}
private Result(final K key, final byte[] value, final boolean isTombstone, final long timestamp) {
this.key = key;
this.value = value;
this.isTombstone = isTombstone;
this.timestamp = timestamp;
}
public int size(final KeySpec extractor) {
return extractor.sizeInBytes(key)
+ (isTombstone ? 0 : value.length)
+ Long.BYTES; // timestamp size
}
}