computer-core/src/main/java/com/baidu/hugegraph/computer/core/store/entry/KvEntryWithFirstSubKv.java

/*
 * Copyright 2017 HugeGraph Authors
 *
 * 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 com.baidu.hugegraph.computer.core.store.entry;

public class KvEntryWithFirstSubKv extends DefaultKvEntry {

    private final KvEntry firstSubKv;

    public KvEntryWithFirstSubKv(Pointer key, Pointer value,
                                 KvEntry firstSubKv, long subKvNum) {
        super(key, value, subKvNum);
        this.firstSubKv = firstSubKv;
    }

    @Override
    public int compareTo(KvEntry o) {
        int result = this.key().compareTo(o.key());
        if (result == 0) {
            KvEntryWithFirstSubKv other = (KvEntryWithFirstSubKv) o;
            result = this.firstSubKv.compareTo(other.firstSubKv);
        }

        return result;
    }
}