solr/core/src/java/org/apache/solr/core/backup/Checksum.java

/*
 * 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.solr.core.backup;

import java.util.Objects;

/**
 * Represents checksum information for an index file being backed up.
 */
public class Checksum {
    public final long checksum;
    public final long size;

    public Checksum(long checksum, long size) {
        this.checksum = checksum;
        this.size = size;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Checksum checksum = (Checksum) o;
        return size == checksum.size &&
                this.checksum == checksum.checksum;
    }

    @Override
    public int hashCode() {
        return Objects.hash(checksum, size);
    }

}