/*******************************************************************************
 * Copyright (c) 2011, 2019 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *     E.D.Willink - initial API and implementation
 *******************************************************************************/
package org.eclipse.qvtd.pivot.qvtbase;

import java.util.Map;
import org.eclipse.emf.common.util.DiagnosticChain;
import org.eclipse.ocl.pivot.Element;
import org.eclipse.ocl.pivot.OCLExpression;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Predicate</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtbase.Predicate#getConditionExpression <em>Condition Expression</em>}</li>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtbase.Predicate#getPattern <em>Pattern</em>}</li>
 * </ul>
 *
 * @see org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage#getPredicate()
 * @model
 * @generated
 */
public interface Predicate extends Element {
	/**
	 * Returns the value of the '<em><b>Condition Expression</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Condition Expression</em>' containment reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Condition Expression</em>' containment reference.
	 * @see #setConditionExpression(OCLExpression)
	 * @see org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage#getPredicate_ConditionExpression()
	 * @model containment="true" required="true"
	 *        annotation="http://schema.omg.org/spec/MOF/2.0/emof.xml#Property.oppositeRoleName body='predicate'"
	 * @generated
	 */
	OCLExpression getConditionExpression();

	/**
	 * Sets the value of the '{@link org.eclipse.qvtd.pivot.qvtbase.Predicate#getConditionExpression <em>Condition Expression</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Condition Expression</em>' containment reference.
	 * @see #getConditionExpression()
	 * @generated
	 */
	void setConditionExpression(OCLExpression value);

	/**
	 * Returns the value of the '<em><b>Pattern</b></em>' container reference.
	 * It is bidirectional and its opposite is '{@link org.eclipse.qvtd.pivot.qvtbase.Pattern#getPredicate <em>Predicate</em>}'.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Pattern</em>' container reference isn't clear,
	 * there really should be more of a description here...
	 * </p>
	 * <!-- end-user-doc -->
	 * @return the value of the '<em>Pattern</em>' container reference.
	 * @see #setPattern(Pattern)
	 * @see org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage#getPredicate_Pattern()
	 * @see org.eclipse.qvtd.pivot.qvtbase.Pattern#getPredicate
	 * @model opposite="predicate" required="true"
	 * @generated
	 */
	Pattern getPattern();

	/**
	 * Sets the value of the '{@link org.eclipse.qvtd.pivot.qvtbase.Predicate#getPattern <em>Pattern</em>}' container reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Pattern</em>' container reference.
	 * @see #getPattern()
	 * @generated
	 */
	void setPattern(Pattern value);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @model annotation="http://www.eclipse.org/uml2/2.0.0/UML originalName='ConditionIsBoolean'"
	 *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot body='\nconditionExpression.type = Boolean\n\n'"
	 * @generated
	 */
	boolean validateConditionIsBoolean(DiagnosticChain diagnostics, Map<Object, Object> context);

} // Predicate