/*
 * Copyright (c) 2003, 2005 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 - initial API and implementation
 *
 * $Id: TimeTrigger.java,v 1.9 2005/06/15 20:06:02 khussey Exp $
 */
package org.eclipse.uml2;

import org.eclipse.emf.ecore.EClass;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Time Trigger</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * A time trigger specifies a time event, which models the expiration of a specific deadline. 
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.uml2.TimeTrigger#isRelative <em>Is Relative</em>}</li>
 *   <li>{@link org.eclipse.uml2.TimeTrigger#getWhen <em>When</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.uml2.UML2Package#getTimeTrigger()
 * @model
 * @generated
 */
public interface TimeTrigger extends Trigger{
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	String copyright = "Copyright (c) IBM Corporation and others."; //$NON-NLS-1$

	/**
	 * Returns the value of the '<em><b>Is Relative</b></em>' attribute.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Is Relative</em>' attribute isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Specifies whether it is relative or absolute time.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Is Relative</em>' attribute.
	 * @see #setIsRelative(boolean)
	 * @see org.eclipse.uml2.UML2Package#getTimeTrigger_IsRelative()
	 * @model dataType="org.eclipse.uml2.Boolean"
	 * @generated
	 */
	boolean isRelative();

	/**
	 * Sets the value of the '{@link org.eclipse.uml2.TimeTrigger#isRelative <em>Is Relative</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Is Relative</em>' attribute.
	 * @see #isRelative()
	 * @generated
	 */
	void setIsRelative(boolean value);


	/**
	 * Returns the value of the '<em><b>When</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>When</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Specifies the corresponding time deadline.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>When</em>' containment reference.
	 * @see #setWhen(ValueSpecification)
	 * @see org.eclipse.uml2.UML2Package#getTimeTrigger_When()
	 * @model containment="true" required="true"
	 * @generated
	 */
	ValueSpecification getWhen();

	/**
	 * Sets the value of the '{@link org.eclipse.uml2.TimeTrigger#getWhen <em>When</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>When</em>' containment reference.
	 * @see #getWhen()
	 * @generated
	 */
	void setWhen(ValueSpecification value);


	/**
	 * Creates a {@link org.eclipse.uml2.ValueSpecification} and sets the '<em><b>When</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param eClass The Ecore class of the {@link org.eclipse.uml2.ValueSpecification} to create.
	 * @return The new {@link org.eclipse.uml2.ValueSpecification}.
	 * @see #getWhen()
	 * @generated
	 */
    ValueSpecification createWhen(EClass eClass);

} // TimeTrigger