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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * Copyright 2000-2014 Vaadin Ltd.
 * 
 * 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.vaadin.client.widget.grid;

import java.io.Serializable;

/**
 * Callback interface for generating custom style names for data rows
 * 
 * @author Vaadin Ltd
 * @param 
 *            the row type of the target grid
 * @see Grid#setRowStyleGenerator(RowStyleGenerator)
 * @since 7.4
 */
public interface RowStyleGenerator extends Serializable {

    /**
     * Called by Grid to generate a style name for a row.
     * 
     * @param rowReference
     *            The row to generate a style for
     * @return the style name to add to this row, or {@code null} to not set any
     *         style
     */
    public abstract String getStyle(RowReference rowReference);
}