plugins/org.eclipse.emf.edapt.migration/generated-src/org/eclipse/emf/edapt/spi/migration/impl/MetamodelImpl.java - edapt/org.eclipse.emf.edapt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  * BMW Car IT - Initial API and implementation
  * Technische Universitaet Muenchen - Major refactoring and extension
  *******************************************************************************/
 package org.eclipse.emf.edapt.spi.migration.impl;

 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.notify.NotificationChain;
 import org.eclipse.emf.common.util.BasicDiagnostic;
 import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.common.util.UniqueEList;
 import org.eclipse.emf.ecore.EAttribute;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EClassifier;
 import org.eclipse.emf.ecore.EDataType;
 import org.eclipse.emf.ecore.EEnum;
 import org.eclipse.emf.ecore.EEnumLiteral;
 import org.eclipse.emf.ecore.EModelElement;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EPackage;
 import org.eclipse.emf.ecore.EReference;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.EcorePackage;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.impl.EObjectImpl;
 import org.eclipse.emf.ecore.impl.EStructuralFeatureImpl;
 import org.eclipse.emf.ecore.util.Diagnostician;
 import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.ecore.util.InternalEList;
 import org.eclipse.emf.edapt.internal.common.EcoreUtils;
 import org.eclipse.emf.edapt.internal.migration.DiagnosticException;
 import org.eclipse.emf.edapt.migration.MigrationException;
 import org.eclipse.emf.edapt.spi.migration.Instance;
 import org.eclipse.emf.edapt.spi.migration.Metamodel;
 import org.eclipse.emf.edapt.spi.migration.MetamodelResource;
 import org.eclipse.emf.edapt.spi.migration.MigrationPackage;
 import org.eclipse.emf.edapt.spi.migration.Model;
 import org.eclipse.emf.edapt.spi.migration.ReferenceSlot;
 import org.eclipse.emf.edapt.spi.migration.Repository;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model object '<em><b>Metamodel</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * <ul>
  * <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getResources <em>Resources</em>}</li>
  * <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getRepository <em>Repository</em>}</li>
  * <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getDefaultPackage <em>Default Package</em>}</li>
  * </ul>
  * </p>
  *
  * @generated
  */
 public class MetamodelImpl extends EObjectImpl implements Metamodel {
 	/**
 	 * The cached value of the '{@link #getResources() <em>Resources</em>}' containment reference list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @see #getResources()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<MetamodelResource> resources;
 	/**
 	 * The cached value of the '{@link #getDefaultPackage() <em>Default Package</em>}' reference.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @see #getDefaultPackage()
 	 * @generated
 	 * @ordered
 	 */
 	protected EPackage defaultPackage;

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

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

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public EList<MetamodelResource> getResources() {
 		if (resources == null) {
 			resources = new EObjectContainmentWithInverseEList<MetamodelResource>(MetamodelResource.class, this,
 				MigrationPackage.METAMODEL__RESOURCES, MigrationPackage.METAMODEL_RESOURCE__METAMODEL);
 		}
 		return resources;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public Repository getRepository() {
 		if (eContainerFeatureID() != MigrationPackage.METAMODEL__REPOSITORY) {
 			return null;
 		}
 		return (Repository) eContainer();
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	public NotificationChain basicSetRepository(Repository newRepository, NotificationChain msgs) {
 		msgs = eBasicSetContainer((InternalEObject) newRepository, MigrationPackage.METAMODEL__REPOSITORY, msgs);
 		return msgs;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void setRepository(Repository newRepository) {
 		if (newRepository != eInternalContainer()
 			|| eContainerFeatureID() != MigrationPackage.METAMODEL__REPOSITORY && newRepository != null) {
 			if (EcoreUtil.isAncestor(this, (EObject) newRepository)) {
 				throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
 			}
 			NotificationChain msgs = null;
 			if (eInternalContainer() != null) {
 				msgs = eBasicRemoveFromContainer(msgs);
 			}
 			if (newRepository != null) {
 				msgs = ((InternalEObject) newRepository).eInverseAdd(this, MigrationPackage.REPOSITORY__METAMODEL,
 					Repository.class, msgs);
 			}
 			msgs = basicSetRepository(newRepository, msgs);
 			if (msgs != null) {
 				msgs.dispatch();
 			}
 		}
 		else if (eNotificationRequired()) {
 			eNotify(new ENotificationImpl(this, Notification.SET, MigrationPackage.METAMODEL__REPOSITORY,
 				newRepository, newRepository));
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public EPackage getDefaultPackage() {
 		if (defaultPackage != null && defaultPackage.eIsProxy()) {
 			final InternalEObject oldDefaultPackage = (InternalEObject) defaultPackage;
 			defaultPackage = (EPackage) eResolveProxy(oldDefaultPackage);
 			if (defaultPackage != oldDefaultPackage) {
 				if (eNotificationRequired()) {
 					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
 						MigrationPackage.METAMODEL__DEFAULT_PACKAGE, oldDefaultPackage, defaultPackage));
 				}
 			}
 		}
 		return defaultPackage;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	public EPackage basicGetDefaultPackage() {
 		return defaultPackage;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void setDefaultPackage(EPackage newDefaultPackage) {
 		final EPackage oldDefaultPackage = defaultPackage;
 		defaultPackage = newDefaultPackage;
 		if (eNotificationRequired()) {
 			eNotify(new ENotificationImpl(this, Notification.SET, MigrationPackage.METAMODEL__DEFAULT_PACKAGE,
 				oldDefaultPackage, defaultPackage));
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EList<EPackage> getEPackages() {
 		final EList<EPackage> ePackages = new UniqueEList<EPackage>();
 		for (final MetamodelResource resource : getResources()) {
 			ePackages.addAll(resource.getRootPackages());
 		}
 		return ePackages;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public void setDefaultPackage(String packageName) {
 		final EPackage ePackage = getEPackage(packageName);
 		setDefaultPackage(ePackage);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EEnum getEEnum(String name) {
 		try {
 			return (EEnum) getEDataType(name);
 		} catch (final ClassCastException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EEnumLiteral getEEnumLiteral(String name) {
 		try {
 			final int pos = name.lastIndexOf('.');
 			final String classifierName = name.substring(0, pos);
 			final EEnum eEnum = getEEnum(classifierName);
 			final String literalName = name.substring(pos + 1);
 			final EEnumLiteral literal = eEnum.getEEnumLiteral(literalName);
 			return literal;
 		} catch (final NullPointerException e) {
 			return null;
 		} catch (final IndexOutOfBoundsException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public void delete(EModelElement metamodelElement) {
 		EcoreUtil.delete(metamodelElement);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public <V> EList<V> getInverse(EModelElement metamodelElement, EReference reference) {
 		return new UniqueEList<V>((List) EcoreUtils.getInverse(
 			metamodelElement, reference, getEPackages()));
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EList<EClass> getESubTypes(EClass eClass) {
 		return getInverse(eClass, EcorePackage.eINSTANCE.getEClass_ESuperTypes());
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EList<EClass> getEAllSubTypes(EClass eClass) {
 		final EList<EClass> subTypes = new UniqueEList<EClass>();
 		for (final EClass subType : getESubTypes(eClass)) {
 			if (!subTypes.contains(subType)) {
 				subTypes.add(subType);
 			}
 			subTypes.addAll(getEAllSubTypes(subType));
 		}
 		return subTypes;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public void setEOpposite(EReference reference, EReference opposite) {
 		if (reference.getEOpposite() != null) {
 			reference.getEOpposite().setEOpposite(null);
 		}
 		if (opposite != null) {
 			final Model model = getRepository().getModel();
 			if (model != null) {
 				for (final Instance instance : model.getAllInstances(opposite
 					.getEContainingClass())) {
 					final EList<Instance> inverse = instance.getInverse(reference);
 					if (!inverse.isEmpty()) {
 						final ReferenceSlot referenceSlot = ((InstanceImpl) instance)
 							.getCreateReferenceSlot(opposite);
 						referenceSlot.getValues().clear();
 						referenceSlot.getValues().addAll(inverse);
 					}
 				}
 			}
 			opposite.setEOpposite(reference);
 		}
 		reference.setEOpposite(opposite);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@SuppressWarnings("unchecked")
 	@Override
 	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
 		switch (featureID) {
 		case MigrationPackage.METAMODEL__RESOURCES:
 			return ((InternalEList<InternalEObject>) (InternalEList<?>) getResources()).basicAdd(otherEnd, msgs);
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			if (eInternalContainer() != null) {
 				msgs = eBasicRemoveFromContainer(msgs);
 			}
 			return basicSetRepository((Repository) otherEnd, msgs);
 		}
 		return super.eInverseAdd(otherEnd, featureID, msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
 		switch (featureID) {
 		case MigrationPackage.METAMODEL__RESOURCES:
 			return ((InternalEList<?>) getResources()).basicRemove(otherEnd, msgs);
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			return basicSetRepository(null, msgs);
 		}
 		return super.eInverseRemove(otherEnd, featureID, msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
 		switch (eContainerFeatureID()) {
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			return eInternalContainer().eInverseRemove(this, MigrationPackage.REPOSITORY__METAMODEL, Repository.class,
 				msgs);
 		}
 		return super.eBasicRemoveFromContainerFeature(msgs);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EPackage getEPackage(String name) {
 		try {
 			final String[] path = name.split("\\."); //$NON-NLS-1$
 			final int len = path.length;
 			EPackage p = findPackage(getEPackages(), path[0]);
 			for (int i = 1; i < len; i++) {
 				p = findPackage(p.getESubpackages(), path[i]);
 			}
 			return p;
 		} catch (final NullPointerException e) {
 			return null;
 		} catch (final ArrayIndexOutOfBoundsException e) {
 			return null;
 		}
 	}

 	/**
 	 * Find a package by name within a list of packages
 	 *
 	 * @param name
 	 * @return Package
 	 */
 	private EPackage findPackage(List<EPackage> packages, String name) {
 		for (final EPackage p : packages) {
 			if (name.equals(p.getName()) || name.equals(p.getNsURI())) {
 				return p;
 			}
 		}
 		return null;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EClassifier getEClassifier(String name) {
 		try {
 			if (getDefaultPackage() != null
 				&& getDefaultPackage().getEClassifier(name) != null) {
 				return getDefaultPackage().getEClassifier(name);
 			}
 			final int pos = name.lastIndexOf('.');
 			final String packageName = name.substring(0, pos);
 			final EPackage p = getEPackage(packageName);
 			final String classifierName = name.substring(pos + 1);
 			return p.getEClassifier(classifierName);
 		} catch (final NullPointerException e) {
 			return null;
 		} catch (final IndexOutOfBoundsException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EStructuralFeature getEFeature(String name) {
 		try {
 			final int pos = name.lastIndexOf('.');
 			final String classifierName = name.substring(0, pos);
 			final EClass c = getEClass(classifierName);
 			final String featureName = name.substring(pos + 1);
 			final EStructuralFeature feature = c.getEStructuralFeature(featureName);
 			return feature;
 		} catch (final NullPointerException e) {
 			return null;
 		} catch (final IndexOutOfBoundsException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EClass getEClass(String name) {
 		try {
 			return (EClass) getEClassifier(name);
 		} catch (final ClassCastException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EReference getEReference(String name) {
 		try {
 			return (EReference) getEFeature(name);
 		} catch (final ClassCastException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EAttribute getEAttribute(String name) {
 		try {
 			return (EAttribute) getEFeature(name);
 		} catch (final ClassCastException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EDataType getEDataType(String name) {
 		try {
 			return (EDataType) getEClassifier(name);
 		} catch (final ClassCastException e) {
 			return null;
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EModelElement getElement(String name) {
 		final EPackage p = getEPackage(name);
 		if (p != null) {
 			return p;
 		}
 		final EClassifier c = getEClassifier(name);
 		if (c != null) {
 			return c;
 		}
 		final EStructuralFeature f = getEFeature(name);
 		if (f != null) {
 			return f;
 		}
 		return null;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public void validate() throws MigrationException {
 		final BasicDiagnostic diagnostic = new BasicDiagnostic();
 		final Diagnostician diagnostician = new Diagnostician();
 		for (final EPackage p : getEPackages()) {
 			diagnostician.validate(p, diagnostic);
 		}
 		if (diagnostic.getSeverity() != Diagnostic.OK) {
 			throw new MigrationException(new DiagnosticException("Metamodel not valid", diagnostic)); //$NON-NLS-1$
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 		case MigrationPackage.METAMODEL__RESOURCES:
 			return getResources();
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			return getRepository();
 		case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
 			if (resolve) {
 				return getDefaultPackage();
 			}
 			return basicGetDefaultPackage();
 		}
 		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 MigrationPackage.METAMODEL__RESOURCES:
 			getResources().clear();
 			getResources().addAll((Collection<? extends MetamodelResource>) newValue);
 			return;
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			setRepository((Repository) newValue);
 			return;
 		case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
 			setDefaultPackage((EPackage) newValue);
 			return;
 		}
 		super.eSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 		case MigrationPackage.METAMODEL__RESOURCES:
 			getResources().clear();
 			return;
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			setRepository((Repository) null);
 			return;
 		case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
 			setDefaultPackage((EPackage) null);
 			return;
 		}
 		super.eUnset(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public boolean eIsSet(int featureID) {
 		switch (featureID) {
 		case MigrationPackage.METAMODEL__RESOURCES:
 			return resources != null && !resources.isEmpty();
 		case MigrationPackage.METAMODEL__REPOSITORY:
 			return getRepository() != null;
 		case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
 			return defaultPackage != null;
 		}
 		return super.eIsSet(featureID);
 	}

 	/** {@inheritDoc} */
 	@Override
 	public void refreshCaches() {
 		for (final EPackage ePackage : getEPackages()) {
 			for (final Iterator<EObject> i = ePackage.eAllContents(); i.hasNext();) {
 				final EObject element = i.next();
 				if (element instanceof EStructuralFeatureImpl) {
 					final EStructuralFeatureImpl feature = (EStructuralFeatureImpl) element;
 					feature.setSettingDelegate(null);
 				}
 				if (element instanceof EEnumLiteral) {
 					final EEnumLiteral literal = (EEnumLiteral) element;
 					literal.setInstance(literal);
 				}
 			}
 		}
 	}

 } // MetamodelImpl
	/*******************************************************************************
	* Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* BMW Car IT - Initial API and implementation
	* Technische Universitaet Muenchen - Major refactoring and extension
	*******************************************************************************/
	package org.eclipse.emf.edapt.spi.migration.impl;

	import java.util.Collection;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.notify.NotificationChain;
	import org.eclipse.emf.common.util.BasicDiagnostic;
	import org.eclipse.emf.common.util.Diagnostic;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.common.util.UniqueEList;
	import org.eclipse.emf.ecore.EAttribute;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EClassifier;
	import org.eclipse.emf.ecore.EDataType;
	import org.eclipse.emf.ecore.EEnum;
	import org.eclipse.emf.ecore.EEnumLiteral;
	import org.eclipse.emf.ecore.EModelElement;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EPackage;
	import org.eclipse.emf.ecore.EReference;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecore.EcorePackage;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.impl.EObjectImpl;
	import org.eclipse.emf.ecore.impl.EStructuralFeatureImpl;
	import org.eclipse.emf.ecore.util.Diagnostician;
	import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.ecore.util.InternalEList;
	import org.eclipse.emf.edapt.internal.common.EcoreUtils;
	import org.eclipse.emf.edapt.internal.migration.DiagnosticException;
	import org.eclipse.emf.edapt.migration.MigrationException;
	import org.eclipse.emf.edapt.spi.migration.Instance;
	import org.eclipse.emf.edapt.spi.migration.Metamodel;
	import org.eclipse.emf.edapt.spi.migration.MetamodelResource;
	import org.eclipse.emf.edapt.spi.migration.MigrationPackage;
	import org.eclipse.emf.edapt.spi.migration.Model;
	import org.eclipse.emf.edapt.spi.migration.ReferenceSlot;
	import org.eclipse.emf.edapt.spi.migration.Repository;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model object '<em><b>Metamodel</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* <ul>
	* <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getResources <em>Resources</em>}</li>
	* <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getRepository <em>Repository</em>}</li>
	* <li>{@link org.eclipse.emf.edapt.spi.migration.impl.MetamodelImpl#getDefaultPackage <em>Default Package</em>}</li>
	* </ul>
	* </p>
	*
	* @generated
	*/
	public class MetamodelImpl extends EObjectImpl implements Metamodel {
	/**
	* The cached value of the '{@link #getResources() <em>Resources</em>}' containment reference list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @see #getResources()
	* @generated
	* @ordered
	*/
	protected EList<MetamodelResource> resources;
	/**
	* The cached value of the '{@link #getDefaultPackage() <em>Default Package</em>}' reference.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @see #getDefaultPackage()
	* @generated
	* @ordered
	*/
	protected EPackage defaultPackage;

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

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

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public EList<MetamodelResource> getResources() {
	if (resources == null) {
	resources = new EObjectContainmentWithInverseEList<MetamodelResource>(MetamodelResource.class, this,
	MigrationPackage.METAMODEL__RESOURCES, MigrationPackage.METAMODEL_RESOURCE__METAMODEL);
	}
	return resources;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public Repository getRepository() {
	if (eContainerFeatureID() != MigrationPackage.METAMODEL__REPOSITORY) {
	return null;
	}
	return (Repository) eContainer();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	public NotificationChain basicSetRepository(Repository newRepository, NotificationChain msgs) {
	msgs = eBasicSetContainer((InternalEObject) newRepository, MigrationPackage.METAMODEL__REPOSITORY, msgs);
	return msgs;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void setRepository(Repository newRepository) {
	if (newRepository != eInternalContainer()
	\|\| eContainerFeatureID() != MigrationPackage.METAMODEL__REPOSITORY && newRepository != null) {
	if (EcoreUtil.isAncestor(this, (EObject) newRepository)) {
	throw new IllegalArgumentException("Recursive containment not allowed for " + toString()); //$NON-NLS-1$
	}
	NotificationChain msgs = null;
	if (eInternalContainer() != null) {
	msgs = eBasicRemoveFromContainer(msgs);
	}
	if (newRepository != null) {
	msgs = ((InternalEObject) newRepository).eInverseAdd(this, MigrationPackage.REPOSITORY__METAMODEL,
	Repository.class, msgs);
	}
	msgs = basicSetRepository(newRepository, msgs);
	if (msgs != null) {
	msgs.dispatch();
	}
	}
	else if (eNotificationRequired()) {
	eNotify(new ENotificationImpl(this, Notification.SET, MigrationPackage.METAMODEL__REPOSITORY,
	newRepository, newRepository));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public EPackage getDefaultPackage() {
	if (defaultPackage != null && defaultPackage.eIsProxy()) {
	final InternalEObject oldDefaultPackage = (InternalEObject) defaultPackage;
	defaultPackage = (EPackage) eResolveProxy(oldDefaultPackage);
	if (defaultPackage != oldDefaultPackage) {
	if (eNotificationRequired()) {
	eNotify(new ENotificationImpl(this, Notification.RESOLVE,
	MigrationPackage.METAMODEL__DEFAULT_PACKAGE, oldDefaultPackage, defaultPackage));
	}
	}
	}
	return defaultPackage;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	public EPackage basicGetDefaultPackage() {
	return defaultPackage;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void setDefaultPackage(EPackage newDefaultPackage) {
	final EPackage oldDefaultPackage = defaultPackage;
	defaultPackage = newDefaultPackage;
	if (eNotificationRequired()) {
	eNotify(new ENotificationImpl(this, Notification.SET, MigrationPackage.METAMODEL__DEFAULT_PACKAGE,
	oldDefaultPackage, defaultPackage));
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EList<EPackage> getEPackages() {
	final EList<EPackage> ePackages = new UniqueEList<EPackage>();
	for (final MetamodelResource resource : getResources()) {
	ePackages.addAll(resource.getRootPackages());
	}
	return ePackages;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public void setDefaultPackage(String packageName) {
	final EPackage ePackage = getEPackage(packageName);
	setDefaultPackage(ePackage);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EEnum getEEnum(String name) {
	try {
	return (EEnum) getEDataType(name);
	} catch (final ClassCastException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EEnumLiteral getEEnumLiteral(String name) {
	try {
	final int pos = name.lastIndexOf('.');
	final String classifierName = name.substring(0, pos);
	final EEnum eEnum = getEEnum(classifierName);
	final String literalName = name.substring(pos + 1);
	final EEnumLiteral literal = eEnum.getEEnumLiteral(literalName);
	return literal;
	} catch (final NullPointerException e) {
	return null;
	} catch (final IndexOutOfBoundsException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public void delete(EModelElement metamodelElement) {
	EcoreUtil.delete(metamodelElement);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@SuppressWarnings("unchecked")
	@Override
	public <V> EList<V> getInverse(EModelElement metamodelElement, EReference reference) {
	return new UniqueEList<V>((List) EcoreUtils.getInverse(
	metamodelElement, reference, getEPackages()));
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EList<EClass> getESubTypes(EClass eClass) {
	return getInverse(eClass, EcorePackage.eINSTANCE.getEClass_ESuperTypes());
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EList<EClass> getEAllSubTypes(EClass eClass) {
	final EList<EClass> subTypes = new UniqueEList<EClass>();
	for (final EClass subType : getESubTypes(eClass)) {
	if (!subTypes.contains(subType)) {
	subTypes.add(subType);
	}
	subTypes.addAll(getEAllSubTypes(subType));
	}
	return subTypes;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public void setEOpposite(EReference reference, EReference opposite) {
	if (reference.getEOpposite() != null) {
	reference.getEOpposite().setEOpposite(null);
	}
	if (opposite != null) {
	final Model model = getRepository().getModel();
	if (model != null) {
	for (final Instance instance : model.getAllInstances(opposite
	.getEContainingClass())) {
	final EList<Instance> inverse = instance.getInverse(reference);
	if (!inverse.isEmpty()) {
	final ReferenceSlot referenceSlot = ((InstanceImpl) instance)
	.getCreateReferenceSlot(opposite);
	referenceSlot.getValues().clear();
	referenceSlot.getValues().addAll(inverse);
	}
	}
	}
	opposite.setEOpposite(reference);
	}
	reference.setEOpposite(opposite);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@SuppressWarnings("unchecked")
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
	switch (featureID) {
	case MigrationPackage.METAMODEL__RESOURCES:
	return ((InternalEList<InternalEObject>) (InternalEList<?>) getResources()).basicAdd(otherEnd, msgs);
	case MigrationPackage.METAMODEL__REPOSITORY:
	if (eInternalContainer() != null) {
	msgs = eBasicRemoveFromContainer(msgs);
	}
	return basicSetRepository((Repository) otherEnd, msgs);
	}
	return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
	switch (featureID) {
	case MigrationPackage.METAMODEL__RESOURCES:
	return ((InternalEList<?>) getResources()).basicRemove(otherEnd, msgs);
	case MigrationPackage.METAMODEL__REPOSITORY:
	return basicSetRepository(null, msgs);
	}
	return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
	switch (eContainerFeatureID()) {
	case MigrationPackage.METAMODEL__REPOSITORY:
	return eInternalContainer().eInverseRemove(this, MigrationPackage.REPOSITORY__METAMODEL, Repository.class,
	msgs);
	}
	return super.eBasicRemoveFromContainerFeature(msgs);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EPackage getEPackage(String name) {
	try {
	final String[] path = name.split("\\."); //$NON-NLS-1$
	final int len = path.length;
	EPackage p = findPackage(getEPackages(), path[0]);
	for (int i = 1; i < len; i++) {
	p = findPackage(p.getESubpackages(), path[i]);
	}
	return p;
	} catch (final NullPointerException e) {
	return null;
	} catch (final ArrayIndexOutOfBoundsException e) {
	return null;
	}
	}

	/**
	* Find a package by name within a list of packages
	*
	* @param name
	* @return Package
	*/
	private EPackage findPackage(List<EPackage> packages, String name) {
	for (final EPackage p : packages) {
	if (name.equals(p.getName()) \|\| name.equals(p.getNsURI())) {
	return p;
	}
	}
	return null;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EClassifier getEClassifier(String name) {
	try {
	if (getDefaultPackage() != null
	&& getDefaultPackage().getEClassifier(name) != null) {
	return getDefaultPackage().getEClassifier(name);
	}
	final int pos = name.lastIndexOf('.');
	final String packageName = name.substring(0, pos);
	final EPackage p = getEPackage(packageName);
	final String classifierName = name.substring(pos + 1);
	return p.getEClassifier(classifierName);
	} catch (final NullPointerException e) {
	return null;
	} catch (final IndexOutOfBoundsException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EStructuralFeature getEFeature(String name) {
	try {
	final int pos = name.lastIndexOf('.');
	final String classifierName = name.substring(0, pos);
	final EClass c = getEClass(classifierName);
	final String featureName = name.substring(pos + 1);
	final EStructuralFeature feature = c.getEStructuralFeature(featureName);
	return feature;
	} catch (final NullPointerException e) {
	return null;
	} catch (final IndexOutOfBoundsException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EClass getEClass(String name) {
	try {
	return (EClass) getEClassifier(name);
	} catch (final ClassCastException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EReference getEReference(String name) {
	try {
	return (EReference) getEFeature(name);
	} catch (final ClassCastException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EAttribute getEAttribute(String name) {
	try {
	return (EAttribute) getEFeature(name);
	} catch (final ClassCastException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EDataType getEDataType(String name) {
	try {
	return (EDataType) getEClassifier(name);
	} catch (final ClassCastException e) {
	return null;
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EModelElement getElement(String name) {
	final EPackage p = getEPackage(name);
	if (p != null) {
	return p;
	}
	final EClassifier c = getEClassifier(name);
	if (c != null) {
	return c;
	}
	final EStructuralFeature f = getEFeature(name);
	if (f != null) {
	return f;
	}
	return null;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public void validate() throws MigrationException {
	final BasicDiagnostic diagnostic = new BasicDiagnostic();
	final Diagnostician diagnostician = new Diagnostician();
	for (final EPackage p : getEPackages()) {
	diagnostician.validate(p, diagnostic);
	}
	if (diagnostic.getSeverity() != Diagnostic.OK) {
	throw new MigrationException(new DiagnosticException("Metamodel not valid", diagnostic)); //$NON-NLS-1$
	}
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case MigrationPackage.METAMODEL__RESOURCES:
	return getResources();
	case MigrationPackage.METAMODEL__REPOSITORY:
	return getRepository();
	case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
	if (resolve) {
	return getDefaultPackage();
	}
	return basicGetDefaultPackage();
	}
	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 MigrationPackage.METAMODEL__RESOURCES:
	getResources().clear();
	getResources().addAll((Collection<? extends MetamodelResource>) newValue);
	return;
	case MigrationPackage.METAMODEL__REPOSITORY:
	setRepository((Repository) newValue);
	return;
	case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
	setDefaultPackage((EPackage) newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case MigrationPackage.METAMODEL__RESOURCES:
	getResources().clear();
	return;
	case MigrationPackage.METAMODEL__REPOSITORY:
	setRepository((Repository) null);
	return;
	case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
	setDefaultPackage((EPackage) null);
	return;
	}
	super.eUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID) {
	switch (featureID) {
	case MigrationPackage.METAMODEL__RESOURCES:
	return resources != null && !resources.isEmpty();
	case MigrationPackage.METAMODEL__REPOSITORY:
	return getRepository() != null;
	case MigrationPackage.METAMODEL__DEFAULT_PACKAGE:
	return defaultPackage != null;
	}
	return super.eIsSet(featureID);
	}

	/** {@inheritDoc} */
	@Override
	public void refreshCaches() {
	for (final EPackage ePackage : getEPackages()) {
	for (final Iterator<EObject> i = ePackage.eAllContents(); i.hasNext();) {
	final EObject element = i.next();
	if (element instanceof EStructuralFeatureImpl) {
	final EStructuralFeatureImpl feature = (EStructuralFeatureImpl) element;
	feature.setSettingDelegate(null);
	}
	if (element instanceof EEnumLiteral) {
	final EEnumLiteral literal = (EEnumLiteral) element;
	literal.setInstance(literal);
	}
	}
	}
	}

	} // MetamodelImpl