/*******************************************************************************
 * 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.OCLExpression;
import org.eclipse.ocl.pivot.Operation;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Function</b></em>'.
 * <!-- end-user-doc -->
 *
 * <p>
 * The following features are supported:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtbase.Function#getQueryExpression <em>Query Expression</em>}</li>
 * </ul>
 *
 * @see org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage#getFunction()
 * @model
 * @generated
 */
public interface Function extends Operation {
	/**
	 * Returns the value of the '<em><b>Query Expression</b></em>' reference.
	 * <!-- begin-user-doc -->
	 * <p>
	 * If the meaning of the '<em>Query 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>Query Expression</em>' reference.
	 * @see #setQueryExpression(OCLExpression)
	 * @see org.eclipse.qvtd.pivot.qvtbase.QVTbasePackage#getFunction_QueryExpression()
	 * @model resolveProxies="false" transient="true" volatile="true" derived="true"
	 * @generated
	 */
	OCLExpression getQueryExpression();

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @model annotation="http://www.eclipse.org/uml2/2.0.0/UML originalName='ParametersAreFunctionParameter'"
	 *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot body='\n\townedParameters-&gt;forAll(oclIsKindOf(FunctionParameter))\n\n'"
	 * @generated
	 */
	boolean validateParametersAreFunctionParameter(DiagnosticChain diagnostics, Map<Object, Object> context);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @model annotation="http://www.eclipse.org/uml2/2.0.0/UML originalName='ReturnTypeIsQueryType'"
	 *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot body='\n\tqueryExpression &lt;&gt; null implies queryExpression.type?.conformsTo(type)\n\n'"
	 * @generated
	 */
	boolean validateReturnTypeIsQueryType(DiagnosticChain diagnostics, Map<Object, Object> context);

} // Function