/*******************************************************************************
* Copyright (c) 2006, 2010 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
*******************************************************************************/
package org.eclipse.ocl.ecore.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.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EModelElement;
import org.eclipse.emf.ecore.EParameter;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENamedElementImpl;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.ocl.ecore.Constraint;
import org.eclipse.ocl.ecore.EcorePackage;
import org.eclipse.ocl.ecore.utilities.ToStringVisitor;
import org.eclipse.ocl.utilities.ExpressionInOCL;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>Constraint</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* </p>
* <ul>
* <li>{@link org.eclipse.ocl.ecore.impl.ConstraintImpl#getSpecification <em>Specification</em>}</li>
* <li>{@link org.eclipse.ocl.ecore.impl.ConstraintImpl#getConstrainedElements <em>Constrained Elements</em>}</li>
* <li>{@link org.eclipse.ocl.ecore.impl.ConstraintImpl#getStereotype <em>Stereotype</em>}</li>
* </ul>
*
* @generated
*/
public class ConstraintImpl
extends ENamedElementImpl
implements Constraint {
/**
* The cached value of the '{@link #getSpecification() <em>Specification</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSpecification()
* @generated
* @ordered
*/
protected ExpressionInOCL<EClassifier, EParameter> specification;
/**
* The cached value of the '{@link #getConstrainedElements() <em>Constrained Elements</em>}' reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getConstrainedElements()
* @generated
* @ordered
*/
protected EList<EModelElement> constrainedElements;
/**
* The default value of the '{@link #getStereotype() <em>Stereotype</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getStereotype()
* @generated
* @ordered
*/
protected static final String STEREOTYPE_EDEFAULT = null;
/**
* The cached value of the '{@link #getStereotype() <em>Stereotype</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getStereotype()
* @generated
* @ordered
*/
protected String stereotype = STEREOTYPE_EDEFAULT;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ConstraintImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return EcorePackage.Literals.CONSTRAINT;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public ExpressionInOCL<EClassifier, EParameter> getSpecification() {
return specification;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetSpecification(
ExpressionInOCL<EClassifier, EParameter> newSpecification,
NotificationChain msgs) {
ExpressionInOCL<EClassifier, EParameter> oldSpecification = specification;
specification = newSpecification;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this,
Notification.SET, EcorePackage.CONSTRAINT__SPECIFICATION,
oldSpecification, newSpecification);
if (msgs == null)
msgs = notification;
else
msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setSpecification(
ExpressionInOCL<EClassifier, EParameter> newSpecification) {
if (newSpecification != specification) {
NotificationChain msgs = null;
if (specification != null)
msgs = ((InternalEObject) specification)
.eInverseRemove(this,
EOPPOSITE_FEATURE_BASE
- EcorePackage.CONSTRAINT__SPECIFICATION,
null, msgs);
if (newSpecification != null)
msgs = ((InternalEObject) newSpecification)
.eInverseAdd(this,
EOPPOSITE_FEATURE_BASE
- EcorePackage.CONSTRAINT__SPECIFICATION,
null, msgs);
msgs = basicSetSpecification(newSpecification, msgs);
if (msgs != null)
msgs.dispatch();
} else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
EcorePackage.CONSTRAINT__SPECIFICATION, newSpecification,
newSpecification));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<EModelElement> getConstrainedElements() {
if (constrainedElements == null) {
constrainedElements = new EObjectResolvingEList<EModelElement>(
EModelElement.class, this,
EcorePackage.CONSTRAINT__CONSTRAINED_ELEMENTS);
}
return constrainedElements;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public String getStereotype() {
return stereotype;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setStereotype(String newStereotype) {
String oldStereotype = stereotype;
stereotype = newStereotype;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET,
EcorePackage.CONSTRAINT__STEREOTYPE, oldStereotype,
stereotype));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case EcorePackage.CONSTRAINT__SPECIFICATION :
return basicSetSpecification(null, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case EcorePackage.CONSTRAINT__SPECIFICATION :
return getSpecification();
case EcorePackage.CONSTRAINT__CONSTRAINED_ELEMENTS :
return getConstrainedElements();
case EcorePackage.CONSTRAINT__STEREOTYPE :
return getStereotype();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case EcorePackage.CONSTRAINT__SPECIFICATION :
setSpecification(
(ExpressionInOCL<EClassifier, EParameter>) newValue);
return;
case EcorePackage.CONSTRAINT__CONSTRAINED_ELEMENTS :
getConstrainedElements().clear();
getConstrainedElements()
.addAll((Collection<? extends EModelElement>) newValue);
return;
case EcorePackage.CONSTRAINT__STEREOTYPE :
setStereotype((String) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case EcorePackage.CONSTRAINT__SPECIFICATION :
setSpecification(
(ExpressionInOCL<EClassifier, EParameter>) null);
return;
case EcorePackage.CONSTRAINT__CONSTRAINED_ELEMENTS :
getConstrainedElements().clear();
return;
case EcorePackage.CONSTRAINT__STEREOTYPE :
setStereotype(STEREOTYPE_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case EcorePackage.CONSTRAINT__SPECIFICATION :
return specification != null;
case EcorePackage.CONSTRAINT__CONSTRAINED_ELEMENTS :
return constrainedElements != null
&& !constrainedElements.isEmpty();
case EcorePackage.CONSTRAINT__STEREOTYPE :
return STEREOTYPE_EDEFAULT == null
? stereotype != null
: !STEREOTYPE_EDEFAULT.equals(stereotype);
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
@Override
public String toString() {
if (eIsProxy()) {
return super.toString();
}
return ToStringVisitor
.getInstance(getSpecification().getContextVariable())
.visitConstraint(this);
}
} //ConstraintImpl