/*
 * 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: CallAction.java,v 1.12 2007/10/23 15:54:20 jbruck Exp $
 */
package org.eclipse.uml2.uml;

import java.util.Map;

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

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

/**
 * <!-- begin-user-doc -->
 * A representation of the model object '<em><b>Call Action</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * CallAction is an abstract class for actions that invoke behavior and receive return values.
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.CallAction#isSynchronous <em>Is Synchronous</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.CallAction#getResults <em>Result</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.uml2.uml.UMLPackage#getCallAction()
 * @model abstract="true"
 * @generated
 */
public interface CallAction
		extends InvocationAction {

	/**
	 * Returns the value of the '<em><b>Is Synchronous</b></em>' attribute.
	 * The default value is <code>"true"</code>.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * If true, the call is synchronous and the caller waits for completion of the invoked behavior.
	 * If false, the call is asynchronous and the caller proceeds immediately and does not expect a return values.
	 * 
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Is Synchronous</em>' attribute.
	 * @see #setIsSynchronous(boolean)
	 * @see org.eclipse.uml2.uml.UMLPackage#getCallAction_IsSynchronous()
	 * @model default="true" dataType="org.eclipse.uml2.uml.Boolean" required="true" ordered="false"
	 * @generated
	 */
	boolean isSynchronous();

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

	/**
	 * Returns the value of the '<em><b>Result</b></em>' containment reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.OutputPin}.
	 * <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 -->
	 * A list of output pins where the results of performing the invocation are placed.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Result</em>' containment reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getCallAction_Result()
	 * @model containment="true" resolveProxies="true"
	 * @generated
	 */
	EList<OutputPin> getResults();

	/**
	 * Creates a new {@link org.eclipse.uml2.uml.OutputPin}, with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', and appends it to the '<em><b>Result</b></em>' containment reference list.
	 * <!-- 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 #getResults()
	 * @generated
	 */
	OutputPin createResult(String name, Type type);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.OutputPin} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Result</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.OutputPin} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.OutputPin} to retrieve, or <code>null</code>.
	 * @return The first {@link org.eclipse.uml2.uml.OutputPin} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getResults()
	 * @generated
	 */
	OutputPin getResult(String name, Type type);

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.OutputPin} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Result</b></em>' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.OutputPin} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.OutputPin} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @param createOnDemand Whether to create a {@link org.eclipse.uml2.uml.OutputPin} on demand if not found.
	 * @return The first {@link org.eclipse.uml2.uml.OutputPin} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getResults()
	 * @generated
	 */
	OutputPin getResult(String name, Type type, boolean ignoreCase,
			boolean createOnDemand);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * Only synchronous call actions can have result pins.
	 * true
	 * @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 validateSynchronousCall(DiagnosticChain diagnostics,
			Map<Object, Object> context);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The number and order of argument pins must be the same as the number and order of parameters of the invoked behavior or behavioral feature. Pins are matched to parameters by order.
	 * true
	 * @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 validateNumberAndOrder(DiagnosticChain diagnostics,
			Map<Object, Object> context);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The type, ordering, and multiplicity of an argument pin must be the same as the corresponding parameter of the behavior or behavioral feature.
	 * true
	 * @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 validateTypeOrderingMultiplicity(DiagnosticChain diagnostics,
			Map<Object, Object> context);

} // CallAction