org.apache.kafka.server.util.Deadline 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.server.util;
import org.apache.kafka.common.utils.Time;
import java.math.BigInteger;
import java.util.Objects;
import java.util.concurrent.TimeUnit;
public class Deadline {
private final long nanoseconds;
public static Deadline fromMonotonicNanoseconds(
long nanoseconds
) {
return new Deadline(nanoseconds);
}
public static Deadline fromDelay(
Time time,
long delay,
TimeUnit timeUnit
) {
if (delay < 0) {
throw new RuntimeException("Negative delays are not allowed.");
}
long nowNs = time.nanoseconds();
BigInteger deadlineNs = BigInteger.valueOf(nowNs).
add(BigInteger.valueOf(timeUnit.toNanos(delay)));
if (deadlineNs.compareTo(BigInteger.valueOf(Long.MAX_VALUE)) >= 0) {
return new Deadline(Long.MAX_VALUE);
} else {
return new Deadline(deadlineNs.longValue());
}
}
private Deadline(long nanoseconds) {
this.nanoseconds = nanoseconds;
}
public long nanoseconds() {
return nanoseconds;
}
@Override
public int hashCode() {
return Objects.hash(nanoseconds);
}
@Override
public boolean equals(Object o) {
if (o == null || !(o.getClass().equals(this.getClass()))) return false;
Deadline other = (Deadline) o;
return nanoseconds == other.nanoseconds;
}
}