org.elasticsearch.index.engine.VersionValue Maven / Gradle / Ivy

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Elasticsearch subproject :core

There is a newer version: 8.14.1

/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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.elasticsearch.index.engine;

import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.RamUsageEstimator;

import java.util.Collection;
import java.util.Collections;

class VersionValue implements Accountable {

    private static final long BASE_RAM_BYTES_USED = RamUsageEstimator.shallowSizeOfInstance(VersionValue.class);

    private final long version;

    public VersionValue(long version) {
        this.version = version;
    }

    public long time() {
        throw new UnsupportedOperationException();
    }

    public long version() {
        return version;
    }

    public boolean delete() {
        return false;
    }


    @Override
    public long ramBytesUsed() {
        return BASE_RAM_BYTES_USED;
    }

    @Override
    public Collection getChildResources() {
        return Collections.emptyList();
    }

    @Override
    public String toString() {
        return "VersionValue{" +
            "version=" + version +
            '}';
    }
}