/*
 * Copyright (c) 2005, 2007 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: ReadVariableAction.java,v 1.8 2007/10/23 15:54:21 jbruck Exp $
 */
package org.eclipse.uml2.uml;

import java.util.Map;

import org.eclipse.emf.common.util.DiagnosticChain;

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Read Variable Action</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * A read variable action is a variable action that retrieves the values of a variable.
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.ReadVariableAction#getResult <em>Result</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.uml2.uml.UMLPackage#getReadVariableAction()
 * @model
 * @generated
 */
public interface ReadVariableAction
		extends VariableAction {

	/**
	 * Returns the value of the '<em><b>Result</b></em>' containment reference.
	 * <p>
	 * This feature subsets the following features:
	 * <ul>
	 *   <li>'{@link org.eclipse.uml2.uml.Action#getOutputs() <em>Output</em>}'</li>
	 * </ul>
	 * </p>
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Gives the output pin on which the result is put.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Result</em>' containment reference.
	 * @see #setResult(OutputPin)
	 * @see org.eclipse.uml2.uml.UMLPackage#getReadVariableAction_Result()
	 * @model containment="true" resolveProxies="true" required="true" ordered="false"
	 * @generated
	 */
	OutputPin getResult();

	/**
	 * Sets the value of the '{@link org.eclipse.uml2.uml.ReadVariableAction#getResult <em>Result</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Result</em>' containment reference.
	 * @see #getResult()
	 * @generated
	 */
	void setResult(OutputPin value);

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.OutputPin},with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', and sets the '<em><b>Result</b></em>' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' for the new {@link org.eclipse.uml2.uml.OutputPin}, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' for the new {@link org.eclipse.uml2.uml.OutputPin}, or <code>null</code>.
	 * @return The new {@link org.eclipse.uml2.uml.OutputPin}.
	 * @see #getResult()
	 * @generated
	 */
	OutputPin createResult(String name, Type type);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The type and ordering of the result output pin of a read-variable action are the same as the type and ordering of the variable.
	 * self.result.type =self.variable.type
	 * and self.result.ordering = self.variable.ordering
	 * 
	 * @param diagnostics The chain of diagnostics to which problems are to be appended.
	 * @param context The cache of context-specific information.
	 * <!-- end-model-doc -->
	 * @model
	 * @generated
	 */
	boolean validateTypeAndOrdering(DiagnosticChain diagnostics,
			Map<Object, Object> context);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The multiplicity of the variable must be compatible with the multiplicity of the output pin.
	 * self.variable.multiplicity.compatibleWith(self.result.multiplicity)
	 * @param diagnostics The chain of diagnostics to which problems are to be appended.
	 * @param context The cache of context-specific information.
	 * <!-- end-model-doc -->
	 * @model
	 * @generated
	 */
	boolean validateCompatibleMultiplicity(DiagnosticChain diagnostics,
			Map<Object, Object> context);

} // ReadVariableAction