/**
 * <copyright>
 *
 * Copyright (c) 2013, 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
 *
 * </copyright>
 */
package org.eclipse.qvtd.pivot.qvtschedule.impl;

import org.eclipse.emf.common.notify.Notification;

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

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

import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.EnumerationLiteral;
import org.eclipse.ocl.pivot.internal.ElementImpl;
import org.eclipse.ocl.pivot.util.Visitor;

import org.eclipse.qvtd.pivot.qvtschedule.EnumLiteralNode;
import org.eclipse.qvtd.pivot.qvtschedule.Node;
import org.eclipse.qvtd.pivot.qvtschedule.QVTschedulePackage;
import org.eclipse.qvtd.pivot.qvtschedule.Region;
import org.eclipse.qvtd.pivot.qvtschedule.Role;
import org.eclipse.qvtd.pivot.qvtschedule.util.QVTscheduleVisitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Enum Literal Node</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.pivot.qvtschedule.impl.EnumLiteralNodeImpl#getEnumValue <em>Enum Value</em>}</li>
 * </ul>
 *
 * @generated
 */
public class EnumLiteralNodeImpl extends OperationNodeImpl implements EnumLiteralNode {
	/**
	 * The number of structural features of the '<em>Enum Literal Node</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int ENUM_LITERAL_NODE_FEATURE_COUNT = OperationNodeImpl.OPERATION_NODE_FEATURE_COUNT + 1;
	/**
	 * The number of operations of the '<em>Enum Literal Node</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int ENUM_LITERAL_NODE_OPERATION_COUNT = OperationNodeImpl.OPERATION_NODE_OPERATION_COUNT + 0;
	/**
	 * The cached value of the '{@link #getEnumValue() <em>Enum Value</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getEnumValue()
	 * @generated
	 * @ordered
	 */
	protected EnumerationLiteral enumValue;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public EnumerationLiteral getEnumValue() {
		if (enumValue != null && enumValue.eIsProxy()) {
			InternalEObject oldEnumValue = (InternalEObject)enumValue;
			enumValue = (EnumerationLiteral)eResolveProxy(oldEnumValue);
			if (enumValue != oldEnumValue) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ElementImpl.ELEMENT_FEATURE_COUNT + 10, oldEnumValue, enumValue));
			}
		}
		return enumValue;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EnumerationLiteral basicGetEnumValue() {
		return enumValue;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setEnumValue(EnumerationLiteral newEnumValue) {
		EnumerationLiteral oldEnumValue = enumValue;
		enumValue = newEnumValue;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ElementImpl.ELEMENT_FEATURE_COUNT + 10, oldEnumValue, enumValue));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 10:
				if (resolve) return getEnumValue();
				return basicGetEnumValue();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 10:
				setEnumValue((EnumerationLiteral)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 10:
				setEnumValue((EnumerationLiteral)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ElementImpl.ELEMENT_FEATURE_COUNT + 10:
				return enumValue != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <R> R accept(@NonNull Visitor<R> visitor) {
		return (R) ((QVTscheduleVisitor<?>)visitor).visitEnumLiteralNode(this);
	}

	@Override
	public @NonNull Node createNode(@NonNull Role nodeRole, @NonNull Region region) {
		EnumLiteralNode node = (EnumLiteralNode)super.createNode(nodeRole, region);
		node.setEnumValue(enumValue);
		return node;
	}

	@Override
	public @Nullable String getShape() {
		return null;		// rectangle
	}

	@Override
	public @Nullable String getStyle() {
		return "rounded";
	}

	@Override
	public boolean isPrimitive() {
		return true;
	}
} //EnumLiteralNodeImpl