/*******************************************************************************
 * Copyright (c) 1998, 2008 Oracle. All rights reserved.
 * This program and the accompanying materials are made available under the 
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 
 * which accompanies this distribution. 
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at 
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
 ******************************************************************************/ 
package org.eclipse.persistence.sdo.helper;

/**
 * <p><b>Purpose</b>: Optionally user can implement this interface to provide their own extra content
 * to the generated source files.
 */
public interface SDOClassGeneratorListener {

    /**
    * This event will be triggered before the package declaration on the interface
    * @param buffer The current StringBuffer that can have content appended to it
    */
    public void preInterfacePackage(StringBuffer buffer);

    /**
     * This event will be triggered before the package declaration on the implementation class
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preImplPackage(StringBuffer buffer);

    /**
     * This event will be triggered before the import declarations on the interface
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preInterfaceImports(StringBuffer buffer);

    /**
     * This event will be triggered before the import declarations on the implementation class
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preImplImports(StringBuffer buffer);

    /**
     * This event will be triggered before the interface declaration on the interface
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preInterfaceClass(StringBuffer buffer);

    /**
     * This event will be triggered before the class declaration on the implementation class
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preImplClass(StringBuffer buffer);

    /**
     * This event will be triggered before the attribute declarations on the implementation class
     * @param buffer The current StringBuffer that can have content appended to it
     */
    public void preImplAttributes(StringBuffer buffer);
}