/**
* <copyright>
*
* Copyright (c) 2002-2007 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
*
* </copyright>
*
* $Id: EReferenceImpl.java,v 1.16 2010/09/08 01:56:25 emerks Exp $
*/
package org.eclipse.emf.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.EAnnotation;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EGenericType;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>EReference</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#isContainment <em>Containment</em>}</li>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#isContainer <em>Container</em>}</li>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#isResolveProxies <em>Resolve Proxies</em>}</li>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#getEOpposite <em>EOpposite</em>}</li>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#getEReferenceType <em>EReference Type</em>}</li>
* <li>{@link org.eclipse.emf.ecore.impl.EReferenceImpl#getEKeys <em>EKeys</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class EReferenceImpl extends EStructuralFeatureImpl implements EReference
{
/**
* The default value of the '{@link #isContainment() <em>Containment</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isContainment()
* @generated
* @ordered
*/
protected static final boolean CONTAINMENT_EDEFAULT = false;
/**
* The flag representing the value of the '{@link #isContainment() <em>Containment</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isContainment()
* @generated
* @ordered
*/
protected static final int CONTAINMENT_EFLAG = 1 << 15;
/**
* The default value of the '{@link #isContainer() <em>Container</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isContainer()
* @generated
* @ordered
*/
protected static final boolean CONTAINER_EDEFAULT = false;
/**
* The default value of the '{@link #isResolveProxies() <em>Resolve Proxies</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isResolveProxies()
* @generated
* @ordered
*/
protected static final boolean RESOLVE_PROXIES_EDEFAULT = true;
/**
* The flag representing the value of the '{@link #isResolveProxies() <em>Resolve Proxies</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #isResolveProxies()
* @generated
* @ordered
*/
protected static final int RESOLVE_PROXIES_EFLAG = 1 << 16;
/**
* The cached value of the '{@link #getEOpposite() <em>EOpposite</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEOpposite()
* @generated
* @ordered
*/
protected EReference eOpposite;
/**
* The cached value of the '{@link #getEKeys() <em>EKeys</em>}' reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEKeys()
* @generated
* @ordered
*/
protected EList<EAttribute> eKeys;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EReferenceImpl()
{
super();
eFlags |= RESOLVE_PROXIES_EFLAG;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass()
{
return EcorePackage.Literals.EREFERENCE;
}
public boolean isBidirectional()
{
return getEOpposite() != null;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean isContainment()
{
return (eFlags & CONTAINMENT_EFLAG) != 0;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setContainmentGen(boolean newContainment)
{
boolean oldContainment = (eFlags & CONTAINMENT_EFLAG) != 0;
if (newContainment) eFlags |= CONTAINMENT_EFLAG; else eFlags &= ~CONTAINMENT_EFLAG;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EREFERENCE__CONTAINMENT, oldContainment, newContainment));
}
public void setContainment(boolean value)
{
setContainmentGen(value);
if (eContainer instanceof EClassImpl)
{
((EClassImpl)eContainer).getESuperAdapter().setFlags(ESuperAdapter.REFERENCES);
}
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated modifiable
*/
@Override
public boolean isContainer()
{
EReference theOpposite = getEOpposite();
return theOpposite != null && theOpposite.isContainment();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean isResolveProxies()
{
return (eFlags & RESOLVE_PROXIES_EFLAG) != 0;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setResolveProxies(boolean newResolveProxies)
{
boolean oldResolveProxies = (eFlags & RESOLVE_PROXIES_EFLAG) != 0;
if (newResolveProxies) eFlags |= RESOLVE_PROXIES_EFLAG; else eFlags &= ~RESOLVE_PROXIES_EFLAG;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EREFERENCE__RESOLVE_PROXIES, oldResolveProxies, newResolveProxies));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public EReference getEOpposite()
{
if (eOpposite != null && eOpposite.eIsProxy())
{
InternalEObject oldEOpposite = (InternalEObject)eOpposite;
eOpposite = (EReference)eResolveProxy(oldEOpposite);
if (eOpposite != oldEOpposite)
{
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, EcorePackage.EREFERENCE__EOPPOSITE, oldEOpposite, eOpposite));
}
}
return eOpposite;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EReference basicGetEOpposite()
{
return eOpposite;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setEOpposite(EReference newEOpposite)
{
EReference oldEOpposite = eOpposite;
eOpposite = newEOpposite;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EREFERENCE__EOPPOSITE, oldEOpposite, eOpposite));
}
@Override
public NotificationChain setEType(EClassifier newEType, NotificationChain msgs)
{
eReferenceType = null;
return super.setEType(newEType, msgs);
}
protected EClass eReferenceType;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public EClass getEReferenceType()
{
if (eReferenceType == null || !isFrozen() && eReferenceType.eIsProxy())
{
EClassifier eType = getEType();
if (eType instanceof EClass)
{
eReferenceType =(EClass)eType;
}
}
return eReferenceType;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated NOT
*/
public EClass basicGetEReferenceType()
{
if (eReferenceType == null)
{
EClassifier eType = basicGetEType();
if (eType instanceof EClass)
{
eReferenceType = (EClass)eType;
}
}
return eReferenceType;
}
@Override
protected void freeze()
{
getEReferenceType();
super.freeze();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<EAttribute> getEKeys()
{
if (eKeys == null)
{
eKeys = new EObjectResolvingEList<EAttribute>(EAttribute.class, this, EcorePackage.EREFERENCE__EKEYS);
}
return eKeys;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType)
{
switch (featureID)
{
case EcorePackage.EREFERENCE__EANNOTATIONS:
return getEAnnotations();
case EcorePackage.EREFERENCE__NAME:
return getName();
case EcorePackage.EREFERENCE__ORDERED:
return isOrdered();
case EcorePackage.EREFERENCE__UNIQUE:
return isUnique();
case EcorePackage.EREFERENCE__LOWER_BOUND:
return getLowerBound();
case EcorePackage.EREFERENCE__UPPER_BOUND:
return getUpperBound();
case EcorePackage.EREFERENCE__MANY:
return isMany();
case EcorePackage.EREFERENCE__REQUIRED:
return isRequired();
case EcorePackage.EREFERENCE__ETYPE:
if (resolve) return getEType();
return basicGetEType();
case EcorePackage.EREFERENCE__EGENERIC_TYPE:
return getEGenericType();
case EcorePackage.EREFERENCE__CHANGEABLE:
return isChangeable();
case EcorePackage.EREFERENCE__VOLATILE:
return isVolatile();
case EcorePackage.EREFERENCE__TRANSIENT:
return isTransient();
case EcorePackage.EREFERENCE__DEFAULT_VALUE_LITERAL:
return getDefaultValueLiteral();
case EcorePackage.EREFERENCE__DEFAULT_VALUE:
return getDefaultValue();
case EcorePackage.EREFERENCE__UNSETTABLE:
return isUnsettable();
case EcorePackage.EREFERENCE__DERIVED:
return isDerived();
case EcorePackage.EREFERENCE__ECONTAINING_CLASS:
return getEContainingClass();
case EcorePackage.EREFERENCE__CONTAINMENT:
return isContainment();
case EcorePackage.EREFERENCE__CONTAINER:
return isContainer();
case EcorePackage.EREFERENCE__RESOLVE_PROXIES:
return isResolveProxies();
case EcorePackage.EREFERENCE__EOPPOSITE:
if (resolve) return getEOpposite();
return basicGetEOpposite();
case EcorePackage.EREFERENCE__EREFERENCE_TYPE:
if (resolve) return getEReferenceType();
return basicGetEReferenceType();
case EcorePackage.EREFERENCE__EKEYS:
return getEKeys();
}
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 EcorePackage.EREFERENCE__EANNOTATIONS:
getEAnnotations().clear();
getEAnnotations().addAll((Collection<? extends EAnnotation>)newValue);
return;
case EcorePackage.EREFERENCE__NAME:
setName((String)newValue);
return;
case EcorePackage.EREFERENCE__ORDERED:
setOrdered((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__UNIQUE:
setUnique((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__LOWER_BOUND:
setLowerBound((Integer)newValue);
return;
case EcorePackage.EREFERENCE__UPPER_BOUND:
setUpperBound((Integer)newValue);
return;
case EcorePackage.EREFERENCE__ETYPE:
setEType((EClassifier)newValue);
return;
case EcorePackage.EREFERENCE__EGENERIC_TYPE:
setEGenericType((EGenericType)newValue);
return;
case EcorePackage.EREFERENCE__CHANGEABLE:
setChangeable((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__VOLATILE:
setVolatile((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__TRANSIENT:
setTransient((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__DEFAULT_VALUE_LITERAL:
setDefaultValueLiteral((String)newValue);
return;
case EcorePackage.EREFERENCE__UNSETTABLE:
setUnsettable((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__DERIVED:
setDerived((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__CONTAINMENT:
setContainment((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__RESOLVE_PROXIES:
setResolveProxies((Boolean)newValue);
return;
case EcorePackage.EREFERENCE__EOPPOSITE:
setEOpposite((EReference)newValue);
return;
case EcorePackage.EREFERENCE__EKEYS:
getEKeys().clear();
getEKeys().addAll((Collection<? extends EAttribute>)newValue);
return;
}
eDynamicSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID)
{
switch (featureID)
{
case EcorePackage.EREFERENCE__EANNOTATIONS:
getEAnnotations().clear();
return;
case EcorePackage.EREFERENCE__NAME:
setName(NAME_EDEFAULT);
return;
case EcorePackage.EREFERENCE__ORDERED:
setOrdered(ORDERED_EDEFAULT);
return;
case EcorePackage.EREFERENCE__UNIQUE:
setUnique(UNIQUE_EDEFAULT);
return;
case EcorePackage.EREFERENCE__LOWER_BOUND:
setLowerBound(LOWER_BOUND_EDEFAULT);
return;
case EcorePackage.EREFERENCE__UPPER_BOUND:
setUpperBound(UPPER_BOUND_EDEFAULT);
return;
case EcorePackage.EREFERENCE__ETYPE:
unsetEType();
return;
case EcorePackage.EREFERENCE__EGENERIC_TYPE:
unsetEGenericType();
return;
case EcorePackage.EREFERENCE__CHANGEABLE:
setChangeable(CHANGEABLE_EDEFAULT);
return;
case EcorePackage.EREFERENCE__VOLATILE:
setVolatile(VOLATILE_EDEFAULT);
return;
case EcorePackage.EREFERENCE__TRANSIENT:
setTransient(TRANSIENT_EDEFAULT);
return;
case EcorePackage.EREFERENCE__DEFAULT_VALUE_LITERAL:
setDefaultValueLiteral(DEFAULT_VALUE_LITERAL_EDEFAULT);
return;
case EcorePackage.EREFERENCE__UNSETTABLE:
setUnsettable(UNSETTABLE_EDEFAULT);
return;
case EcorePackage.EREFERENCE__DERIVED:
setDerived(DERIVED_EDEFAULT);
return;
case EcorePackage.EREFERENCE__CONTAINMENT:
setContainment(CONTAINMENT_EDEFAULT);
return;
case EcorePackage.EREFERENCE__RESOLVE_PROXIES:
setResolveProxies(RESOLVE_PROXIES_EDEFAULT);
return;
case EcorePackage.EREFERENCE__EOPPOSITE:
setEOpposite((EReference)null);
return;
case EcorePackage.EREFERENCE__EKEYS:
getEKeys().clear();
return;
}
eDynamicUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID)
{
switch (featureID)
{
case EcorePackage.EREFERENCE__EANNOTATIONS:
return eAnnotations != null && !eAnnotations.isEmpty();
case EcorePackage.EREFERENCE__NAME:
return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
case EcorePackage.EREFERENCE__ORDERED:
return ((eFlags & ORDERED_EFLAG) != 0) != ORDERED_EDEFAULT;
case EcorePackage.EREFERENCE__UNIQUE:
return ((eFlags & UNIQUE_EFLAG) != 0) != UNIQUE_EDEFAULT;
case EcorePackage.EREFERENCE__LOWER_BOUND:
return lowerBound != LOWER_BOUND_EDEFAULT;
case EcorePackage.EREFERENCE__UPPER_BOUND:
return upperBound != UPPER_BOUND_EDEFAULT;
case EcorePackage.EREFERENCE__MANY:
return isMany() != MANY_EDEFAULT;
case EcorePackage.EREFERENCE__REQUIRED:
return isRequired() != REQUIRED_EDEFAULT;
case EcorePackage.EREFERENCE__ETYPE:
return isSetEType();
case EcorePackage.EREFERENCE__EGENERIC_TYPE:
return isSetEGenericType();
case EcorePackage.EREFERENCE__CHANGEABLE:
return ((eFlags & CHANGEABLE_EFLAG) != 0) != CHANGEABLE_EDEFAULT;
case EcorePackage.EREFERENCE__VOLATILE:
return ((eFlags & VOLATILE_EFLAG) != 0) != VOLATILE_EDEFAULT;
case EcorePackage.EREFERENCE__TRANSIENT:
return ((eFlags & TRANSIENT_EFLAG) != 0) != TRANSIENT_EDEFAULT;
case EcorePackage.EREFERENCE__DEFAULT_VALUE_LITERAL:
return DEFAULT_VALUE_LITERAL_EDEFAULT == null ? defaultValueLiteral != null : !DEFAULT_VALUE_LITERAL_EDEFAULT.equals(defaultValueLiteral);
case EcorePackage.EREFERENCE__DEFAULT_VALUE:
return DEFAULT_VALUE_EDEFAULT == null ? getDefaultValue() != null : !DEFAULT_VALUE_EDEFAULT.equals(getDefaultValue());
case EcorePackage.EREFERENCE__UNSETTABLE:
return ((eFlags & UNSETTABLE_EFLAG) != 0) != UNSETTABLE_EDEFAULT;
case EcorePackage.EREFERENCE__DERIVED:
return ((eFlags & DERIVED_EFLAG) != 0) != DERIVED_EDEFAULT;
case EcorePackage.EREFERENCE__ECONTAINING_CLASS:
return getEContainingClass() != null;
case EcorePackage.EREFERENCE__CONTAINMENT:
return ((eFlags & CONTAINMENT_EFLAG) != 0) != CONTAINMENT_EDEFAULT;
case EcorePackage.EREFERENCE__CONTAINER:
return isContainer() != CONTAINER_EDEFAULT;
case EcorePackage.EREFERENCE__RESOLVE_PROXIES:
return ((eFlags & RESOLVE_PROXIES_EFLAG) != 0) != RESOLVE_PROXIES_EDEFAULT;
case EcorePackage.EREFERENCE__EOPPOSITE:
return eOpposite != null;
case EcorePackage.EREFERENCE__EREFERENCE_TYPE:
return basicGetEReferenceType() != null;
case EcorePackage.EREFERENCE__EKEYS:
return eKeys != null && !eKeys.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(" (containment: ");
result.append((eFlags & CONTAINMENT_EFLAG) != 0);
result.append(", resolveProxies: ");
result.append((eFlags & RESOLVE_PROXIES_EFLAG) != 0);
result.append(')');
return result.toString();
}
}