/**
 * Copyright (c) 2016, 2019 Willink Transformations and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 *
 * Contributors:
 *   E.D.Willink - Initial API and implementation
 */
package org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.impl;

import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EReference;

import org.eclipse.emf.ecore.impl.EPackageImpl;
import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.DoublyLinkedList;
import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.DoublylinkedlistFactory;
import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.DoublylinkedlistPackage;
import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.Element;

import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.list2list.List2listPackage;

import org.eclipse.qvtd.xtext.qvtcore.tests.list2list.list2list.impl.List2listPackageImpl;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model <b>Package</b>.
 * <!-- end-user-doc -->
 * @generated
 */
public class DoublylinkedlistPackageImpl extends EPackageImpl implements DoublylinkedlistPackage {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private EClass elementEClass = null;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private EClass doublyLinkedListEClass = null;

	/**
	 * Creates an instance of the model <b>Package</b>, registered with
	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
	 * package URI value.
	 * <p>Note: the correct way to create the package is via the static
	 * factory method {@link #init init()}, which also performs
	 * initialization of the package, or returns the registered package,
	 * if one already exists.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see org.eclipse.emf.ecore.EPackage.Registry
	 * @see org.eclipse.qvtd.xtext.qvtcore.tests.list2list.doublylinkedlist.DoublylinkedlistPackage#eNS_URI
	 * @see #init()
	 * @generated
	 */
	private DoublylinkedlistPackageImpl() {
		super(eNS_URI, DoublylinkedlistFactory.eINSTANCE);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private static boolean isInited = false;

	/**
	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
	 *
	 * <p>This method is used to initialize {@link DoublylinkedlistPackage#eINSTANCE} when that field is accessed.
	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #eNS_URI
	 * @see #createPackageContents()
	 * @see #initializePackageContents()
	 * @generated
	 */
	public static DoublylinkedlistPackage init() {
		if (isInited) return (DoublylinkedlistPackage)EPackage.Registry.INSTANCE.getEPackage(DoublylinkedlistPackage.eNS_URI);

		// Obtain or create and register package
		Object registeredDoublylinkedlistPackage = EPackage.Registry.INSTANCE.get(eNS_URI);
		DoublylinkedlistPackageImpl theDoublylinkedlistPackage = registeredDoublylinkedlistPackage instanceof DoublylinkedlistPackageImpl ? (DoublylinkedlistPackageImpl)registeredDoublylinkedlistPackage : new DoublylinkedlistPackageImpl();

		isInited = true;

		// Obtain or create and register interdependencies
		Object registeredPackage = EPackage.Registry.INSTANCE.getEPackage(List2listPackage.eNS_URI);
		List2listPackageImpl theList2listPackage = (List2listPackageImpl)(registeredPackage instanceof List2listPackageImpl ? registeredPackage : List2listPackage.eINSTANCE);

		// Create package meta-data objects
		theDoublylinkedlistPackage.createPackageContents();
		theList2listPackage.createPackageContents();

		// Initialize created meta-data
		theDoublylinkedlistPackage.initializePackageContents();
		theList2listPackage.initializePackageContents();

		// Mark meta-data to indicate it can't be changed
		theDoublylinkedlistPackage.freeze();

		// Update the registry and return the package
		EPackage.Registry.INSTANCE.put(DoublylinkedlistPackage.eNS_URI, theDoublylinkedlistPackage);
		return theDoublylinkedlistPackage;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EClass getElement() {
		return elementEClass;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EReference getElement_List() {
		return (EReference)elementEClass.getEStructuralFeatures().get(0);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EAttribute getElement_Name() {
		return (EAttribute)elementEClass.getEStructuralFeatures().get(1);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EReference getElement_Source() {
		return (EReference)elementEClass.getEStructuralFeatures().get(2);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EReference getElement_Target() {
		return (EReference)elementEClass.getEStructuralFeatures().get(3);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EClass getDoublyLinkedList() {
		return doublyLinkedListEClass;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EReference getDoublyLinkedList_HeadElement() {
		return (EReference)doublyLinkedListEClass.getEStructuralFeatures().get(0);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EAttribute getDoublyLinkedList_Name() {
		return (EAttribute)doublyLinkedListEClass.getEStructuralFeatures().get(1);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EReference getDoublyLinkedList_OwnedElements() {
		return (EReference)doublyLinkedListEClass.getEStructuralFeatures().get(2);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public DoublylinkedlistFactory getDoublylinkedlistFactory() {
		return (DoublylinkedlistFactory)getEFactoryInstance();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private boolean isCreated = false;

	/**
	 * Creates the meta-model objects for the package.  This method is
	 * guarded to have no affect on any invocation but its first.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void createPackageContents() {
		if (isCreated) return;
		isCreated = true;

		// Create classes and their features
		elementEClass = createEClass(ELEMENT);
		createEReference(elementEClass, ELEMENT__LIST);
		createEAttribute(elementEClass, ELEMENT__NAME);
		createEReference(elementEClass, ELEMENT__SOURCE);
		createEReference(elementEClass, ELEMENT__TARGET);

		doublyLinkedListEClass = createEClass(DOUBLY_LINKED_LIST);
		createEReference(doublyLinkedListEClass, DOUBLY_LINKED_LIST__HEAD_ELEMENT);
		createEAttribute(doublyLinkedListEClass, DOUBLY_LINKED_LIST__NAME);
		createEReference(doublyLinkedListEClass, DOUBLY_LINKED_LIST__OWNED_ELEMENTS);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	private boolean isInitialized = false;

	/**
	 * Complete the initialization of the package and its meta-model.  This
	 * method is guarded to have no affect on any invocation but its first.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void initializePackageContents() {
		if (isInitialized) return;
		isInitialized = true;

		// Initialize package
		setName(eNAME);
		setNsPrefix(eNS_PREFIX);
		setNsURI(eNS_URI);

		// Create type parameters

		// Set bounds for type parameters

		// Add supertypes to classes

		// Initialize classes, features, and operations; add parameters
		initEClass(elementEClass, Element.class, "Element", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
		initEReference(getElement_List(), this.getDoublyLinkedList(), this.getDoublyLinkedList_OwnedElements(), "list", null, 1, 1, Element.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
		initEAttribute(getElement_Name(), ecorePackage.getEString(), "name", null, 1, 1, Element.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
		initEReference(getElement_Source(), this.getElement(), this.getElement_Target(), "source", null, 1, 1, Element.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
		initEReference(getElement_Target(), this.getElement(), this.getElement_Source(), "target", null, 1, 1, Element.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);

		initEClass(doublyLinkedListEClass, DoublyLinkedList.class, "DoublyLinkedList", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
		initEReference(getDoublyLinkedList_HeadElement(), this.getElement(), null, "headElement", null, 0, 1, DoublyLinkedList.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
		initEAttribute(getDoublyLinkedList_Name(), ecorePackage.getEString(), "name", null, 1, 1, DoublyLinkedList.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
		initEReference(getDoublyLinkedList_OwnedElements(), this.getElement(), this.getElement_List(), "ownedElements", null, 0, -1, DoublyLinkedList.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, !IS_ORDERED);

		// Create resource
		createResource(eNS_URI);
	}

} //DoublylinkedlistPackageImpl