org.apache.kafka.streams.processor.internals.Stamped 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.internals;

import java.util.Objects;

public class Stamped implements Comparable {

    public final V value;
    public final long timestamp;

    Stamped(final V value, final long timestamp) {
        this.value = value;
        this.timestamp = timestamp;
    }

    @Override
    public int compareTo(final Object other) {
        final long otherTimestamp = ((Stamped) other).timestamp;

        if (timestamp < otherTimestamp) {
            return -1;
        } else if (timestamp > otherTimestamp) {
            return 1;
        }
        return 0;
    }

    @Override
    public boolean equals(final Object other) {
        if (other == null || getClass() != other.getClass()) {
            return false;
        }
        final long otherTimestamp = ((Stamped) other).timestamp;
        return timestamp == otherTimestamp;
    }

    @Override
    public int hashCode() {
        return Objects.hash(timestamp);
    }
}