/*
 * Copyright (c) 2005, 2006 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: ExpansionRegion.java,v 1.8 2006/12/14 15:49:27 khussey 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>Expansion Region</b></em>'.
 * <!-- end-user-doc -->
 *
 * <!-- begin-model-doc -->
 * An expansion region is a structured activity region that executes multiple times corresponding to elements of an input collection.
 * <!-- end-model-doc -->
 *
 * <p>
 * The following features are supported:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.ExpansionRegion#getMode <em>Mode</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.ExpansionRegion#getInputElements <em>Input Element</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.ExpansionRegion#getOutputElements <em>Output Element</em>}</li>
 * </ul>
 * </p>
 *
 * @see org.eclipse.uml2.uml.UMLPackage#getExpansionRegion()
 * @model
 * @generated
 */
public interface ExpansionRegion
		extends StructuredActivityNode {

	/**
	 * Returns the value of the '<em><b>Mode</b></em>' attribute.
	 * The default value is <code>"iterative"</code>.
	 * The literals are from the enumeration {@link org.eclipse.uml2.uml.ExpansionKind}.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * The way in which the executions interact:
	 * parallel: all interactions are independent
	 * iterative: the interactions occur in order of the elements
	 * stream: a stream of values flows into a single execution
	 * 
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Mode</em>' attribute.
	 * @see org.eclipse.uml2.uml.ExpansionKind
	 * @see #setMode(ExpansionKind)
	 * @see org.eclipse.uml2.uml.UMLPackage#getExpansionRegion_Mode()
	 * @model default="iterative" required="true" ordered="false"
	 * @generated
	 */
	ExpansionKind getMode();

	/**
	 * Sets the value of the '{@link org.eclipse.uml2.uml.ExpansionRegion#getMode <em>Mode</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param value the new value of the '<em>Mode</em>' attribute.
	 * @see org.eclipse.uml2.uml.ExpansionKind
	 * @see #getMode()
	 * @generated
	 */
	void setMode(ExpansionKind value);

	/**
	 * Returns the value of the '<em><b>Input Element</b></em>' reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.ExpansionNode}.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.uml.ExpansionNode#getRegionAsInput <em>Region As Input</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * An object node that holds a separate element of the input collection during each of the multiple executions of the region.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Input Element</em>' reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getExpansionRegion_InputElement()
	 * @see org.eclipse.uml2.uml.ExpansionNode#getRegionAsInput
	 * @model type="org.eclipse.uml2.uml.ExpansionNode" opposite="regionAsInput" required="true" ordered="false"
	 * @generated
	 */
	EList<ExpansionNode> getInputElements();

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

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.ExpansionNode} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Input Element</b></em>' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.ExpansionNode} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.ExpansionNode} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @return The first {@link org.eclipse.uml2.uml.ExpansionNode} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getInputElements()
	 * @generated
	 */
	ExpansionNode getInputElement(String name, Type type, boolean ignoreCase);

	/**
	 * Returns the value of the '<em><b>Output Element</b></em>' reference list.
	 * The list contents are of type {@link org.eclipse.uml2.uml.ExpansionNode}.
	 * It is bidirectional and its opposite is '{@link org.eclipse.uml2.uml.ExpansionNode#getRegionAsOutput <em>Region As Output</em>}'.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * An object node that accepts a separate element of the output collection during each of the multiple executions of the region. The values are formed into a collection that is available when the execution of the region is complete.
	 * <!-- end-model-doc -->
	 * @return the value of the '<em>Output Element</em>' reference list.
	 * @see org.eclipse.uml2.uml.UMLPackage#getExpansionRegion_OutputElement()
	 * @see org.eclipse.uml2.uml.ExpansionNode#getRegionAsOutput
	 * @model type="org.eclipse.uml2.uml.ExpansionNode" opposite="regionAsOutput" ordered="false"
	 * @generated
	 */
	EList<ExpansionNode> getOutputElements();

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

	/**
	 * Retrieves the first {@link org.eclipse.uml2.uml.ExpansionNode} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>' from the '<em><b>Output Element</b></em>' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @param name The '<em><b>Name</b></em>' of the {@link org.eclipse.uml2.uml.ExpansionNode} to retrieve, or <code>null</code>.
	 * @param type The '<em><b>Type</b></em>' of the {@link org.eclipse.uml2.uml.ExpansionNode} to retrieve, or <code>null</code>.
	 * @param ignoreCase Whether to ignore case in {@link java.lang.String} comparisons.
	 * @return The first {@link org.eclipse.uml2.uml.ExpansionNode} with the specified '<em><b>Name</b></em>', and '<em><b>Type</b></em>', or <code>null</code>.
	 * @see #getOutputElements()
	 * @generated
	 */
	ExpansionNode getOutputElement(String name, Type type, boolean ignoreCase);

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * <!-- begin-model-doc -->
	 * An ExpansionRegion must have one or more argument ExpansionNodes and zero or more result ExpansionNodes.
	 * true
	 * <!-- end-model-doc -->
	 * @model
	 * @generated
	 */
	boolean validateExpansionNodes(DiagnosticChain diagnostics,
			Map<Object, Object> context);

} // ExpansionRegion