/*******************************************************************************
 * Copyright (c) 2013, 2019 CEA LIST 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(CEA LIST) - Initial API and implementation
 *******************************************************************************/
package org.eclipse.ocl.examples.codegen.cgmodel.impl;

import java.util.Map;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EClassifier;
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.examples.codegen.cgmodel.CGElement;
import org.eclipse.ocl.examples.codegen.cgmodel.CGLetExp;
import org.eclipse.ocl.examples.codegen.cgmodel.CGModelPackage;
import org.eclipse.ocl.examples.codegen.cgmodel.CGValuedElement;
import org.eclipse.ocl.examples.codegen.cgmodel.CGVariable;
import org.eclipse.ocl.examples.codegen.cgmodel.util.CGModelVisitor;
import org.eclipse.ocl.examples.codegen.cse.AbstractPlace;
import org.eclipse.ocl.examples.codegen.cse.LetPlaces;
import org.eclipse.ocl.examples.codegen.utilities.EquivalenceUtil;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>CG Let Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.ocl.examples.codegen.cgmodel.impl.CGLetExpImpl#getInit <em>Init</em>}</li>
 *   <li>{@link org.eclipse.ocl.examples.codegen.cgmodel.impl.CGLetExpImpl#getIn <em>In</em>}</li>
 * </ul>
 *
 * @generated
 */
public class CGLetExpImpl extends CGValuedElementImpl implements CGLetExp {
	/**
	 * The number of structural features of the '<em>CG Let Exp</em>' class.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 * @ordered
	 */
	public static final int CG_LET_EXP_FEATURE_COUNT = CGValuedElementImpl.CG_VALUED_ELEMENT_FEATURE_COUNT + 2;

	/**
	 * The cached value of the '{@link #getInit() <em>Init</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getInit()
	 * @generated
	 * @ordered
	 */
	protected CGVariable init;

	/**
	 * The cached value of the '{@link #getIn() <em>In</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getIn()
	 * @generated
	 * @ordered
	 */
	protected CGValuedElement in;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public CGVariable getInit() {
		return init;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetInit(CGVariable newInit, NotificationChain msgs) {
		CGVariable oldInit = init;
		init = newInit;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, 6, oldInit, newInit);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setInit(CGVariable newInit) {
		if (newInit != init) {
			NotificationChain msgs = null;
			if (init != null)
				msgs = ((InternalEObject)init).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - (6), null, msgs);
			if (newInit != null)
				msgs = ((InternalEObject)newInit).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - (6), null, msgs);
			msgs = basicSetInit(newInit, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, 6, newInit, newInit));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public CGValuedElement getIn() {
		return in;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetIn(CGValuedElement newIn, NotificationChain msgs) {
		CGValuedElement oldIn = in;
		in = newIn;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, 7, oldIn, newIn);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void setIn(CGValuedElement newIn) {
		if (newIn != in) {
			NotificationChain msgs = null;
			if (in != null)
				msgs = ((InternalEObject)in).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - (7), null, msgs);
			if (newIn != null)
				msgs = ((InternalEObject)newIn).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - (7), null, msgs);
			msgs = basicSetIn(newIn, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, 7, newIn, newIn));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case 6:
				return basicSetInit(null, msgs);
			case 7:
				return basicSetIn(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 6:
				return getInit();
			case 7:
				return getIn();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case 6:
				setInit((CGVariable)newValue);
				return;
			case 7:
				setIn((CGValuedElement)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case 6:
				setInit((CGVariable)null);
				return;
			case 7:
				setIn((CGValuedElement)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case 6:
				return init != null;
			case 7:
				return in != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public <R> R accept(@NonNull CGModelVisitor<R> visitor) {
		return visitor.visitCGLetExp(this);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @Nullable EClassifier getEcoreClassifier() {
		return in != null ? in.getEcoreClassifier() : null;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @Nullable AbstractPlace getPlace(@NonNull Map<@Nullable CGElement, @NonNull AbstractPlace> element2place) {
		return LetPlaces.createLetPlaces(element2place, this);
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @NonNull CGValuedElement getReferredValue() {
		return in != null ? in : this;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @NonNull CGValuedElement getSourceValue() {
		return in != null ? in.getSourceValue() : this;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @NonNull CGValuedElement getNamedValue() {
		return in != null ? in.getNamedValue() : this;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @NonNull CGValuedElement getTypedValue() {
		return in != null ? in.getTypedValue() : this;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @Nullable String getValueName() {
		return in != null ? in.getValueName() : null;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public boolean isBoxed() {
		return (in != null) && in.isBoxed();
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public boolean isEcore() {
		return (in != null) && in.isEcore();
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public @Nullable Boolean isEquivalentToInternal(@NonNull CGValuedElement thatValue) {
		return (getClass() == thatValue.getClass()) ? EquivalenceUtil.isEquivalent(this, (CGLetExp)thatValue) : null;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public boolean isGlobal() {
		return false;
	}

	/**
	 * {@inheritDoc}
	 * @generated
	 */
	@Override
	public boolean isUnboxed() {
		return (in != null) && in.isUnboxed();
	}

} //CGLetExpImpl