// The MIT License
//
// Copyright (c) 2004 Evren Sirin
//
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// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
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// furnished to do so, subject to the following conditions:
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// IN THE SOFTWARE.

/*
 * Created on Dec 28, 2003
 *
 */
package org.mindswap.owls.process;

/**
 * An IfThenElse is a digital branching construct. Based on the evaluation of 
 * a condition, the execution branches to one of the branches. For deeper branching, 
 * nest this construct. 
 * For more information refer to the OWL-S white paper at
 * the official <a href="http://www.daml.org/services/owl-s/">web site.</a>
 * 
 * @author Evren Sirin
 * @author Michael Dänzer (University of Zurich)
 */
public interface IfThenElse extends ControlConstruct, Conditional {
	/**
	 * Returns the control construct on which the if then part consists
	 * @return the control construct on which the if then part consists
	 */
	public ControlConstruct getThen();
	/**
	 * Sets the control construct on which the if then part consists
	 * @param cc the control construct on which the if then part consists
	 */
	public void setThen(ControlConstruct cc);	
	/**
	 * Removes the <code>process:then</code> property from this construct.  
	 * Note, that the then part is not deleted. Use {@link #deleteThen()} instead.
	 */
	public void removeThen();
	/**
	 * Deletes the then part from this construct and removes it from the ontology (if possible)
	 */
	public void deleteThen();
	
	
	/**
	 * Returns the control construct on which the else part consists
	 * @return the control construct on which the else part consists
	 */
	public ControlConstruct getElse();
	/**
	 * Sets the control construct on which the else part consists
	 * @param cc the control construct on which the else part consists
	 */
	public void setElse(ControlConstruct cc); 
	/**
	 * Removes the <code>process:else</code> property from this construct.  
	 * Note, that the else part is not deleted. Use {@link #deleteElse()} instead.
	 */
	public void removeElse();
	/**
	 * Deletes the else part from this construct and removes it from the ontology (if possible)
	 */
	public void deleteElse();
}