plugins/org.eclipse.uml2.uml/src/org/eclipse/uml2/uml/internal/impl/ExpressionImpl.java - uml2/org.eclipse.uml2 - Git at Google

 /*
  * Copyright (c) 2005, 2008 IBM Corporation, Embarcadero Technologies, 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
  *   Kenn Hussey (Embarcadero Technologies) - 204200
  *
  * $Id: ExpressionImpl.java,v 1.23 2008/04/21 16:32:41 khussey Exp $
  */
 package org.eclipse.uml2.uml.internal.impl;

 import java.util.Collection;
 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;

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

 import org.eclipse.emf.ecore.EAnnotation;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.InternalEObject;

 import org.eclipse.emf.ecore.impl.ENotificationImpl;

 import org.eclipse.emf.ecore.resource.Resource;

 import org.eclipse.emf.ecore.util.EObjectContainmentEList;
 import org.eclipse.emf.ecore.util.InternalEList;

 import org.eclipse.uml2.common.util.CacheAdapter;
 import org.eclipse.uml2.common.util.DerivedUnionEObjectEList;

 import org.eclipse.uml2.uml.Comment;
 import org.eclipse.uml2.uml.Dependency;
 import org.eclipse.uml2.uml.Element;
 import org.eclipse.uml2.uml.Expression;
 import org.eclipse.uml2.uml.StringExpression;
 import org.eclipse.uml2.uml.TemplateParameter;
 import org.eclipse.uml2.uml.Type;
 import org.eclipse.uml2.uml.UMLPackage;
 import org.eclipse.uml2.uml.ValueSpecification;
 import org.eclipse.uml2.uml.VisibilityKind;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>Expression</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * <ul>
  *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getOwnedElements <em>Owned Element</em>}</li>
  *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getSymbol <em>Symbol</em>}</li>
  *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getOperands <em>Operand</em>}</li>
  * </ul>
  * </p>
  *
  * @generated
  */
 public class ExpressionImpl
 		extends ValueSpecificationImpl
 		implements Expression {

 	/**
 	 * The default value of the '{@link #getSymbol() <em>Symbol</em>}' attribute.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getSymbol()
 	 * @generated
 	 * @ordered
 	 */
 	protected static final String SYMBOL_EDEFAULT = null;

 	/**
 	 * The cached value of the '{@link #getSymbol() <em>Symbol</em>}' attribute.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getSymbol()
 	 * @generated
 	 * @ordered
 	 */
 	protected String symbol = SYMBOL_EDEFAULT;

 	/**
 	 * The flag representing whether the Symbol attribute has been set.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 * @ordered
 	 */
 	protected static final int SYMBOL_ESETFLAG = 1 << 12;

 	/**
 	 * The cached value of the '{@link #getOperands() <em>Operand</em>}' containment reference list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getOperands()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<ValueSpecification> operands;

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	protected ExpressionImpl() {
 		super();
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	protected EClass eStaticClass() {
 		return UMLPackage.Literals.EXPRESSION;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public EList<Element> getOwnedElements() {
 		CacheAdapter cache = getCacheAdapter();
 		if (cache != null) {
 			Resource eResource = eResource();
 			@SuppressWarnings("unchecked")
 			EList<Element> ownedElements = (EList<Element>) cache.get(
 				eResource, this, UMLPackage.Literals.ELEMENT__OWNED_ELEMENT);
 			if (ownedElements == null) {
 				cache.put(eResource, this,
 					UMLPackage.Literals.ELEMENT__OWNED_ELEMENT,
 					ownedElements = new DerivedUnionEObjectEList<Element>(
 						Element.class, this,
 						UMLPackage.EXPRESSION__OWNED_ELEMENT,
 						OWNED_ELEMENT_ESUBSETS));
 			}
 			return ownedElements;
 		}
 		return new DerivedUnionEObjectEList<Element>(Element.class, this,
 			UMLPackage.EXPRESSION__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public String getSymbol() {
 		return symbol;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public void setSymbol(String newSymbol) {
 		String oldSymbol = symbol;
 		symbol = newSymbol;
 		boolean oldSymbolESet = (eFlags & SYMBOL_ESETFLAG) != 0;
 		eFlags |= SYMBOL_ESETFLAG;
 		if (eNotificationRequired())
 			eNotify(new ENotificationImpl(this, Notification.SET,
 				UMLPackage.EXPRESSION__SYMBOL, oldSymbol, symbol,
 				!oldSymbolESet));
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public void unsetSymbol() {
 		String oldSymbol = symbol;
 		boolean oldSymbolESet = (eFlags & SYMBOL_ESETFLAG) != 0;
 		symbol = SYMBOL_EDEFAULT;
 		eFlags &= ~SYMBOL_ESETFLAG;
 		if (eNotificationRequired())
 			eNotify(new ENotificationImpl(this, Notification.UNSET,
 				UMLPackage.EXPRESSION__SYMBOL, oldSymbol, SYMBOL_EDEFAULT,
 				oldSymbolESet));
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public boolean isSetSymbol() {
 		return (eFlags & SYMBOL_ESETFLAG) != 0;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public EList<ValueSpecification> getOperands() {
 		if (operands == null) {
 			operands = new EObjectContainmentEList.Resolving<ValueSpecification>(
 				ValueSpecification.class, this, UMLPackage.EXPRESSION__OPERAND);
 		}
 		return operands;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public ValueSpecification createOperand(String name, Type type,
 			EClass eClass) {
 		ValueSpecification newOperand = (ValueSpecification) create(eClass);
 		getOperands().add(newOperand);
 		if (name != null)
 			newOperand.setName(name);
 		if (type != null)
 			newOperand.setType(type);
 		return newOperand;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public ValueSpecification getOperand(String name, Type type) {
 		return getOperand(name, type, false, null, false);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public ValueSpecification getOperand(String name, Type type,
 			boolean ignoreCase, EClass eClass, boolean createOnDemand) {
 		operandLoop : for (ValueSpecification operand : getOperands()) {
 			if (eClass != null && !eClass.isInstance(operand))
 				continue operandLoop;
 			if (name != null && !(ignoreCase
 				? name.equalsIgnoreCase(operand.getName())
 				: name.equals(operand.getName())))
 				continue operandLoop;
 			if (type != null && !type.equals(operand.getType()))
 				continue operandLoop;
 			return operand;
 		}
 		return createOnDemand && eClass != null
 			? createOperand(name, type, eClass)
 			: null;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public NotificationChain eInverseRemove(InternalEObject otherEnd,
 			int featureID, NotificationChain msgs) {
 		switch (featureID) {
 			case UMLPackage.EXPRESSION__EANNOTATIONS :
 				return ((InternalEList<?>) getEAnnotations()).basicRemove(
 					otherEnd, msgs);
 			case UMLPackage.EXPRESSION__OWNED_COMMENT :
 				return ((InternalEList<?>) getOwnedComments()).basicRemove(
 					otherEnd, msgs);
 			case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
 				return ((InternalEList<?>) getClientDependencies())
 					.basicRemove(otherEnd, msgs);
 			case UMLPackage.EXPRESSION__NAME_EXPRESSION :
 				return basicSetNameExpression(null, msgs);
 			case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
 				return basicSetOwningTemplateParameter(null, msgs);
 			case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
 				return basicSetTemplateParameter(null, msgs);
 			case UMLPackage.EXPRESSION__OPERAND :
 				return ((InternalEList<?>) getOperands()).basicRemove(otherEnd,
 					msgs);
 		}
 		return eDynamicInverseRemove(otherEnd, featureID, msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 			case UMLPackage.EXPRESSION__EANNOTATIONS :
 				return getEAnnotations();
 			case UMLPackage.EXPRESSION__OWNED_ELEMENT :
 				return getOwnedElements();
 			case UMLPackage.EXPRESSION__OWNER :
 				if (resolve)
 					return getOwner();
 				return basicGetOwner();
 			case UMLPackage.EXPRESSION__OWNED_COMMENT :
 				return getOwnedComments();
 			case UMLPackage.EXPRESSION__NAME :
 				return getName();
 			case UMLPackage.EXPRESSION__VISIBILITY :
 				return getVisibility();
 			case UMLPackage.EXPRESSION__QUALIFIED_NAME :
 				return getQualifiedName();
 			case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
 				return getClientDependencies();
 			case UMLPackage.EXPRESSION__NAMESPACE :
 				if (resolve)
 					return getNamespace();
 				return basicGetNamespace();
 			case UMLPackage.EXPRESSION__NAME_EXPRESSION :
 				if (resolve)
 					return getNameExpression();
 				return basicGetNameExpression();
 			case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
 				if (resolve)
 					return getOwningTemplateParameter();
 				return basicGetOwningTemplateParameter();
 			case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
 				if (resolve)
 					return getTemplateParameter();
 				return basicGetTemplateParameter();
 			case UMLPackage.EXPRESSION__TYPE :
 				if (resolve)
 					return getType();
 				return basicGetType();
 			case UMLPackage.EXPRESSION__SYMBOL :
 				return getSymbol();
 			case UMLPackage.EXPRESSION__OPERAND :
 				return getOperands();
 		}
 		return eDynamicGet(featureID, resolve, coreType);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public void eSet(int featureID, Object newValue) {
 		switch (featureID) {
 			case UMLPackage.EXPRESSION__EANNOTATIONS :
 				getEAnnotations().clear();
 				getEAnnotations().addAll(
 					(Collection<? extends EAnnotation>) newValue);
 				return;
 			case UMLPackage.EXPRESSION__OWNED_COMMENT :
 				getOwnedComments().clear();
 				getOwnedComments().addAll(
 					(Collection<? extends Comment>) newValue);
 				return;
 			case UMLPackage.EXPRESSION__NAME :
 				setName((String) newValue);
 				return;
 			case UMLPackage.EXPRESSION__VISIBILITY :
 				setVisibility((VisibilityKind) newValue);
 				return;
 			case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
 				getClientDependencies().clear();
 				getClientDependencies().addAll(
 					(Collection<? extends Dependency>) newValue);
 				return;
 			case UMLPackage.EXPRESSION__NAME_EXPRESSION :
 				setNameExpression((StringExpression) newValue);
 				return;
 			case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
 				setOwningTemplateParameter((TemplateParameter) newValue);
 				return;
 			case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
 				setTemplateParameter((TemplateParameter) newValue);
 				return;
 			case UMLPackage.EXPRESSION__TYPE :
 				setType((Type) newValue);
 				return;
 			case UMLPackage.EXPRESSION__SYMBOL :
 				setSymbol((String) newValue);
 				return;
 			case UMLPackage.EXPRESSION__OPERAND :
 				getOperands().clear();
 				getOperands().addAll(
 					(Collection<? extends ValueSpecification>) newValue);
 				return;
 		}
 		eDynamicSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 			case UMLPackage.EXPRESSION__EANNOTATIONS :
 				getEAnnotations().clear();
 				return;
 			case UMLPackage.EXPRESSION__OWNED_COMMENT :
 				getOwnedComments().clear();
 				return;
 			case UMLPackage.EXPRESSION__NAME :
 				unsetName();
 				return;
 			case UMLPackage.EXPRESSION__VISIBILITY :
 				unsetVisibility();
 				return;
 			case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
 				getClientDependencies().clear();
 				return;
 			case UMLPackage.EXPRESSION__NAME_EXPRESSION :
 				setNameExpression((StringExpression) null);
 				return;
 			case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
 				setOwningTemplateParameter((TemplateParameter) null);
 				return;
 			case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
 				setTemplateParameter((TemplateParameter) null);
 				return;
 			case UMLPackage.EXPRESSION__TYPE :
 				setType((Type) null);
 				return;
 			case UMLPackage.EXPRESSION__SYMBOL :
 				unsetSymbol();
 				return;
 			case UMLPackage.EXPRESSION__OPERAND :
 				getOperands().clear();
 				return;
 		}
 		eDynamicUnset(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public boolean eIsSet(int featureID) {
 		switch (featureID) {
 			case UMLPackage.EXPRESSION__EANNOTATIONS :
 				return eAnnotations != null && !eAnnotations.isEmpty();
 			case UMLPackage.EXPRESSION__OWNED_ELEMENT :
 				return isSetOwnedElements();
 			case UMLPackage.EXPRESSION__OWNER :
 				return isSetOwner();
 			case UMLPackage.EXPRESSION__OWNED_COMMENT :
 				return ownedComments != null && !ownedComments.isEmpty();
 			case UMLPackage.EXPRESSION__NAME :
 				return isSetName();
 			case UMLPackage.EXPRESSION__VISIBILITY :
 				return isSetVisibility();
 			case UMLPackage.EXPRESSION__QUALIFIED_NAME :
 				return QUALIFIED_NAME_EDEFAULT == null
 					? getQualifiedName() != null
 					: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
 			case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
 				return clientDependencies != null
 					&& !clientDependencies.isEmpty();
 			case UMLPackage.EXPRESSION__NAMESPACE :
 				return isSetNamespace();
 			case UMLPackage.EXPRESSION__NAME_EXPRESSION :
 				return nameExpression != null;
 			case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
 				return basicGetOwningTemplateParameter() != null;
 			case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
 				return templateParameter != null;
 			case UMLPackage.EXPRESSION__TYPE :
 				return type != null;
 			case UMLPackage.EXPRESSION__SYMBOL :
 				return isSetSymbol();
 			case UMLPackage.EXPRESSION__OPERAND :
 				return operands != null && !operands.isEmpty();
 		}
 		return eDynamicIsSet(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public String toString() {
 		if (eIsProxy())
 			return super.toString();

 		StringBuffer result = new StringBuffer(super.toString());
 		result.append(" (symbol: "); //$NON-NLS-1$
 		if ((eFlags & SYMBOL_ESETFLAG) != 0)
 			result.append(symbol);
 		else
 			result.append("<unset>"); //$NON-NLS-1$
 		result.append(')');
 		return result.toString();
 	}

 	/**
 	 * The array of subset feature identifiers for the '{@link #getOwnedElements() <em>Owned Element</em>}' reference list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @see #getOwnedElements()
 	 * @generated
 	 * @ordered
 	 */
 	protected static final int[] OWNED_ELEMENT_ESUBSETS = new int[]{
 		UMLPackage.EXPRESSION__OWNED_COMMENT,
 		UMLPackage.EXPRESSION__NAME_EXPRESSION, UMLPackage.EXPRESSION__OPERAND};

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Override
 	public boolean isSetOwnedElements() {
 		return super.isSetOwnedElements()
 			|| eIsSet(UMLPackage.EXPRESSION__OPERAND);
 	}

 } //ExpressionImpl
	/*
	* Copyright (c) 2005, 2008 IBM Corporation, Embarcadero Technologies, 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
	* Kenn Hussey (Embarcadero Technologies) - 204200
	*
	* $Id: ExpressionImpl.java,v 1.23 2008/04/21 16:32:41 khussey Exp $
	*/
	package org.eclipse.uml2.uml.internal.impl;

	import java.util.Collection;
	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.notify.NotificationChain;

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

	import org.eclipse.emf.ecore.EAnnotation;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.InternalEObject;

	import org.eclipse.emf.ecore.impl.ENotificationImpl;

	import org.eclipse.emf.ecore.resource.Resource;

	import org.eclipse.emf.ecore.util.EObjectContainmentEList;
	import org.eclipse.emf.ecore.util.InternalEList;

	import org.eclipse.uml2.common.util.CacheAdapter;
	import org.eclipse.uml2.common.util.DerivedUnionEObjectEList;

	import org.eclipse.uml2.uml.Comment;
	import org.eclipse.uml2.uml.Dependency;
	import org.eclipse.uml2.uml.Element;
	import org.eclipse.uml2.uml.Expression;
	import org.eclipse.uml2.uml.StringExpression;
	import org.eclipse.uml2.uml.TemplateParameter;
	import org.eclipse.uml2.uml.Type;
	import org.eclipse.uml2.uml.UMLPackage;
	import org.eclipse.uml2.uml.ValueSpecification;
	import org.eclipse.uml2.uml.VisibilityKind;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>Expression</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* <ul>
	* <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getOwnedElements <em>Owned Element</em>}</li>
	* <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getSymbol <em>Symbol</em>}</li>
	* <li>{@link org.eclipse.uml2.uml.internal.impl.ExpressionImpl#getOperands <em>Operand</em>}</li>
	* </ul>
	* </p>
	*
	* @generated
	*/
	public class ExpressionImpl
	extends ValueSpecificationImpl
	implements Expression {

	/**
	* The default value of the '{@link #getSymbol() <em>Symbol</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getSymbol()
	* @generated
	* @ordered
	*/
	protected static final String SYMBOL_EDEFAULT = null;

	/**
	* The cached value of the '{@link #getSymbol() <em>Symbol</em>}' attribute.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getSymbol()
	* @generated
	* @ordered
	*/
	protected String symbol = SYMBOL_EDEFAULT;

	/**
	* The flag representing whether the Symbol attribute has been set.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	* @ordered
	*/
	protected static final int SYMBOL_ESETFLAG = 1 << 12;

	/**
	* The cached value of the '{@link #getOperands() <em>Operand</em>}' containment reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getOperands()
	* @generated
	* @ordered
	*/
	protected EList<ValueSpecification> operands;

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	protected ExpressionImpl() {
	super();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	protected EClass eStaticClass() {
	return UMLPackage.Literals.EXPRESSION;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public EList<Element> getOwnedElements() {
	CacheAdapter cache = getCacheAdapter();
	if (cache != null) {
	Resource eResource = eResource();
	@SuppressWarnings("unchecked")
	EList<Element> ownedElements = (EList<Element>) cache.get(
	eResource, this, UMLPackage.Literals.ELEMENT__OWNED_ELEMENT);
	if (ownedElements == null) {
	cache.put(eResource, this,
	UMLPackage.Literals.ELEMENT__OWNED_ELEMENT,
	ownedElements = new DerivedUnionEObjectEList<Element>(
	Element.class, this,
	UMLPackage.EXPRESSION__OWNED_ELEMENT,
	OWNED_ELEMENT_ESUBSETS));
	}
	return ownedElements;
	}
	return new DerivedUnionEObjectEList<Element>(Element.class, this,
	UMLPackage.EXPRESSION__OWNED_ELEMENT, OWNED_ELEMENT_ESUBSETS);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public String getSymbol() {
	return symbol;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void setSymbol(String newSymbol) {
	String oldSymbol = symbol;
	symbol = newSymbol;
	boolean oldSymbolESet = (eFlags & SYMBOL_ESETFLAG) != 0;
	eFlags \|= SYMBOL_ESETFLAG;
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.SET,
	UMLPackage.EXPRESSION__SYMBOL, oldSymbol, symbol,
	!oldSymbolESet));
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public void unsetSymbol() {
	String oldSymbol = symbol;
	boolean oldSymbolESet = (eFlags & SYMBOL_ESETFLAG) != 0;
	symbol = SYMBOL_EDEFAULT;
	eFlags &= ~SYMBOL_ESETFLAG;
	if (eNotificationRequired())
	eNotify(new ENotificationImpl(this, Notification.UNSET,
	UMLPackage.EXPRESSION__SYMBOL, oldSymbol, SYMBOL_EDEFAULT,
	oldSymbolESet));
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public boolean isSetSymbol() {
	return (eFlags & SYMBOL_ESETFLAG) != 0;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public EList<ValueSpecification> getOperands() {
	if (operands == null) {
	operands = new EObjectContainmentEList.Resolving<ValueSpecification>(
	ValueSpecification.class, this, UMLPackage.EXPRESSION__OPERAND);
	}
	return operands;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public ValueSpecification createOperand(String name, Type type,
	EClass eClass) {
	ValueSpecification newOperand = (ValueSpecification) create(eClass);
	getOperands().add(newOperand);
	if (name != null)
	newOperand.setName(name);
	if (type != null)
	newOperand.setType(type);
	return newOperand;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public ValueSpecification getOperand(String name, Type type) {
	return getOperand(name, type, false, null, false);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public ValueSpecification getOperand(String name, Type type,
	boolean ignoreCase, EClass eClass, boolean createOnDemand) {
	operandLoop : for (ValueSpecification operand : getOperands()) {
	if (eClass != null && !eClass.isInstance(operand))
	continue operandLoop;
	if (name != null && !(ignoreCase
	? name.equalsIgnoreCase(operand.getName())
	: name.equals(operand.getName())))
	continue operandLoop;
	if (type != null && !type.equals(operand.getType()))
	continue operandLoop;
	return operand;
	}
	return createOnDemand && eClass != null
	? createOperand(name, type, eClass)
	: null;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
	int featureID, NotificationChain msgs) {
	switch (featureID) {
	case UMLPackage.EXPRESSION__EANNOTATIONS :
	return ((InternalEList<?>) getEAnnotations()).basicRemove(
	otherEnd, msgs);
	case UMLPackage.EXPRESSION__OWNED_COMMENT :
	return ((InternalEList<?>) getOwnedComments()).basicRemove(
	otherEnd, msgs);
	case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
	return ((InternalEList<?>) getClientDependencies())
	.basicRemove(otherEnd, msgs);
	case UMLPackage.EXPRESSION__NAME_EXPRESSION :
	return basicSetNameExpression(null, msgs);
	case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
	return basicSetOwningTemplateParameter(null, msgs);
	case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
	return basicSetTemplateParameter(null, msgs);
	case UMLPackage.EXPRESSION__OPERAND :
	return ((InternalEList<?>) getOperands()).basicRemove(otherEnd,
	msgs);
	}
	return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case UMLPackage.EXPRESSION__EANNOTATIONS :
	return getEAnnotations();
	case UMLPackage.EXPRESSION__OWNED_ELEMENT :
	return getOwnedElements();
	case UMLPackage.EXPRESSION__OWNER :
	if (resolve)
	return getOwner();
	return basicGetOwner();
	case UMLPackage.EXPRESSION__OWNED_COMMENT :
	return getOwnedComments();
	case UMLPackage.EXPRESSION__NAME :
	return getName();
	case UMLPackage.EXPRESSION__VISIBILITY :
	return getVisibility();
	case UMLPackage.EXPRESSION__QUALIFIED_NAME :
	return getQualifiedName();
	case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
	return getClientDependencies();
	case UMLPackage.EXPRESSION__NAMESPACE :
	if (resolve)
	return getNamespace();
	return basicGetNamespace();
	case UMLPackage.EXPRESSION__NAME_EXPRESSION :
	if (resolve)
	return getNameExpression();
	return basicGetNameExpression();
	case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
	if (resolve)
	return getOwningTemplateParameter();
	return basicGetOwningTemplateParameter();
	case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
	if (resolve)
	return getTemplateParameter();
	return basicGetTemplateParameter();
	case UMLPackage.EXPRESSION__TYPE :
	if (resolve)
	return getType();
	return basicGetType();
	case UMLPackage.EXPRESSION__SYMBOL :
	return getSymbol();
	case UMLPackage.EXPRESSION__OPERAND :
	return getOperands();
	}
	return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public void eSet(int featureID, Object newValue) {
	switch (featureID) {
	case UMLPackage.EXPRESSION__EANNOTATIONS :
	getEAnnotations().clear();
	getEAnnotations().addAll(
	(Collection<? extends EAnnotation>) newValue);
	return;
	case UMLPackage.EXPRESSION__OWNED_COMMENT :
	getOwnedComments().clear();
	getOwnedComments().addAll(
	(Collection<? extends Comment>) newValue);
	return;
	case UMLPackage.EXPRESSION__NAME :
	setName((String) newValue);
	return;
	case UMLPackage.EXPRESSION__VISIBILITY :
	setVisibility((VisibilityKind) newValue);
	return;
	case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
	getClientDependencies().clear();
	getClientDependencies().addAll(
	(Collection<? extends Dependency>) newValue);
	return;
	case UMLPackage.EXPRESSION__NAME_EXPRESSION :
	setNameExpression((StringExpression) newValue);
	return;
	case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
	setOwningTemplateParameter((TemplateParameter) newValue);
	return;
	case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
	setTemplateParameter((TemplateParameter) newValue);
	return;
	case UMLPackage.EXPRESSION__TYPE :
	setType((Type) newValue);
	return;
	case UMLPackage.EXPRESSION__SYMBOL :
	setSymbol((String) newValue);
	return;
	case UMLPackage.EXPRESSION__OPERAND :
	getOperands().clear();
	getOperands().addAll(
	(Collection<? extends ValueSpecification>) newValue);
	return;
	}
	eDynamicSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case UMLPackage.EXPRESSION__EANNOTATIONS :
	getEAnnotations().clear();
	return;
	case UMLPackage.EXPRESSION__OWNED_COMMENT :
	getOwnedComments().clear();
	return;
	case UMLPackage.EXPRESSION__NAME :
	unsetName();
	return;
	case UMLPackage.EXPRESSION__VISIBILITY :
	unsetVisibility();
	return;
	case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
	getClientDependencies().clear();
	return;
	case UMLPackage.EXPRESSION__NAME_EXPRESSION :
	setNameExpression((StringExpression) null);
	return;
	case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
	setOwningTemplateParameter((TemplateParameter) null);
	return;
	case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
	setTemplateParameter((TemplateParameter) null);
	return;
	case UMLPackage.EXPRESSION__TYPE :
	setType((Type) null);
	return;
	case UMLPackage.EXPRESSION__SYMBOL :
	unsetSymbol();
	return;
	case UMLPackage.EXPRESSION__OPERAND :
	getOperands().clear();
	return;
	}
	eDynamicUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID) {
	switch (featureID) {
	case UMLPackage.EXPRESSION__EANNOTATIONS :
	return eAnnotations != null && !eAnnotations.isEmpty();
	case UMLPackage.EXPRESSION__OWNED_ELEMENT :
	return isSetOwnedElements();
	case UMLPackage.EXPRESSION__OWNER :
	return isSetOwner();
	case UMLPackage.EXPRESSION__OWNED_COMMENT :
	return ownedComments != null && !ownedComments.isEmpty();
	case UMLPackage.EXPRESSION__NAME :
	return isSetName();
	case UMLPackage.EXPRESSION__VISIBILITY :
	return isSetVisibility();
	case UMLPackage.EXPRESSION__QUALIFIED_NAME :
	return QUALIFIED_NAME_EDEFAULT == null
	? getQualifiedName() != null
	: !QUALIFIED_NAME_EDEFAULT.equals(getQualifiedName());
	case UMLPackage.EXPRESSION__CLIENT_DEPENDENCY :
	return clientDependencies != null
	&& !clientDependencies.isEmpty();
	case UMLPackage.EXPRESSION__NAMESPACE :
	return isSetNamespace();
	case UMLPackage.EXPRESSION__NAME_EXPRESSION :
	return nameExpression != null;
	case UMLPackage.EXPRESSION__OWNING_TEMPLATE_PARAMETER :
	return basicGetOwningTemplateParameter() != null;
	case UMLPackage.EXPRESSION__TEMPLATE_PARAMETER :
	return templateParameter != null;
	case UMLPackage.EXPRESSION__TYPE :
	return type != null;
	case UMLPackage.EXPRESSION__SYMBOL :
	return isSetSymbol();
	case UMLPackage.EXPRESSION__OPERAND :
	return operands != null && !operands.isEmpty();
	}
	return eDynamicIsSet(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public String toString() {
	if (eIsProxy())
	return super.toString();

	StringBuffer result = new StringBuffer(super.toString());
	result.append(" (symbol: "); //$NON-NLS-1$
	if ((eFlags & SYMBOL_ESETFLAG) != 0)
	result.append(symbol);
	else
	result.append("<unset>"); //$NON-NLS-1$
	result.append(')');
	return result.toString();
	}

	/**
	* The array of subset feature identifiers for the '{@link #getOwnedElements() <em>Owned Element</em>}' reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @see #getOwnedElements()
	* @generated
	* @ordered
	*/
	protected static final int[] OWNED_ELEMENT_ESUBSETS = new int[]{
	UMLPackage.EXPRESSION__OWNED_COMMENT,
	UMLPackage.EXPRESSION__NAME_EXPRESSION, UMLPackage.EXPRESSION__OPERAND};

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	@Override
	public boolean isSetOwnedElements() {
	return super.isSetOwnedElements()
	\|\| eIsSet(UMLPackage.EXPRESSION__OPERAND);
	}

	} //ExpressionImpl