/*
 * Copyright (c) 2017-2018, guanquan.wang@yandex.com All Rights Reserved.
 *
 * 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 org.ttzero.excel.entity;

/**
 * @author guanquan.wang at 2018-01-29 16:05
 */
public class EmptySheet extends Sheet {

    /**
     * Constructor worksheet
     */
    public EmptySheet() {
        super();
    }

    /**
     * Constructor worksheet
     *
     * @param name the worksheet name
     */
    public EmptySheet(String name) {
        super(name);
    }

    /**
     * Constructor worksheet
     *
     * @param name    the worksheet name
     * @param columns the header info
     */
    public EmptySheet(String name, final Column... columns) {
        super(name, columns);
    }

    /**
     * Constructor worksheet
     *
     * @param name      the worksheet name
     * @param waterMark the water mark
     * @param columns   the header info
     */
    public EmptySheet(String name, WaterMark waterMark, final Column... columns) {
        super(name, waterMark, columns);
    }

    /**
     * Reset the row-block data
     */
    @Override
    protected void resetBlockData() { }

    /**
     * Returns total rows in this worksheet
     *
     * @return 0
     */
    @Override
    public int size() {
        return 0;
    }
}
