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A GWT wrapper for the Vie JavaScript library. This component is used as a part of OpenCms, an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * For further information about Alkacon Software, please see the
 * company website: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://www.opencms.org
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package com.alkacon.vie.shared;

import java.util.List;

/**
 * Interface describing an entity attribute value.
 */
public interface I_EntityAttribute {

    /**
     * Returns the attribute name.

     * 
     * @return the attribute name
     */
    String getAttributeName();

    /**
     * Returns the first complex value in the list.

     * 
     * @return the first complex value
     */
    I_Entity getComplexValue();

    /**
     * Returns the list of complex values.

     * 
     * @return the list of complex values
     */
    List getComplexValues();

    /**
     * Returns the first simple value in the list.

     * 
     * @return the first simple value
     */
    String getSimpleValue();

    /**
     * Returns the list of simple values.

     * 
     * @return the list of simple values
     */
    List getSimpleValues();

    /**
     * Returns the number of values set for this attribute.

     * 
     * @return the number of values
     */
    int getValueCount();

    /**
     * Returns if the is a complex type value.

     * 
     * @return true if this is a complex type value
     */
    boolean isComplexValue();

    /**
     * Returns if the is a simple type value.

     * 
     * @return true if this is a simple type value
     */
    boolean isSimpleValue();

    /**
     * Returns if this is a single value attribute.
     * 
     * @return true if this is a single value attribute
     */
    boolean isSingleValue();
}