//   Copyright 2012 Georg-August-Universität Göttingen, Germany
//
//   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 de.ugoe.cs.autoquest;

import java.io.Serializable;

/**
 * <p>
 * This interface defines the structure of decorators used when writing replay
 * files.
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public interface IReplayDecorator extends Serializable {

	/**
	 * <p>
	 * Header of the file. Called at the beginning of the writing.
	 * </p>
	 * 
	 * @return file header
	 */
	String getHeader();

	/**
	 * <p>
	 * Footer of the file. Called at the end of the writing.
	 * </p>
	 * 
	 * @return file footer
	 */
	String getFooter();

	/**
	 * <p>
	 * Session Header. Called before each session.
	 * </p>
	 * 
	 * @param sessionId
	 *            id of the session
	 * @return session header
	 */
	String getSessionHeader(int sessionId);

	/**
	 * <p>
	 * Session Footer. Called after each session.
	 * </p>
	 * 
	 * @param sessionId
	 *            id of the session
	 * @return session footer
	 */
	String getSessionFooter(int sessionId);
}