//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation and others.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.diagram.model;

/**
 * Node that represents a task in diagram
 * 
 * @author Phong Nguyen Le
 * @since 1.0
 * @model
 */
public interface TaskNode extends NamedNode {

	/**
	 * Returns the value of the '<em><b>Index</b></em>' attribute.
	 * The default value is <code>"-1"</code>.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Index</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Index</em>' attribute.
	 * @see #setIndex(int)
	 * @see org.eclipse.epf.diagram.model.ModelPackage#getTaskNode_Index()
	 * @model default="-1"
	 * @generated
	 */
	int getIndex();

	/**
	 * Sets the value of the '{@link org.eclipse.epf.diagram.model.TaskNode#getIndex <em>Index</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Index</em>' attribute.
	 * @see #getIndex()
	 * @generated
	 */
	void setIndex(int value);

}