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Abacus Entity Manager

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/*
 * Copyright (C) 2015 HaiYang Li
 *
 * Licensed 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.landawn.abacus.version;

// TODO: Auto-generated Javadoc
/**
 *
 * @author Haiyang Li
 * @param  the key type
 * @since 0.8
 */
public interface Version {

    /**
     *
     * @param k
     * @return long
     */
    long get(K k);

    /**
     *
     * @param k
     * @param delta
     */
    void update(K k, int delta);

    /**
     *
     * @param k
     */
    void remove(K k);

    /**
     * Method clear.
     */
    void clear();
}