/*******************************************************************************
 * Copyright (c) 2018 Willink Transformations 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:
 *     Adolfo Sanchez-Barbudo Herrera - initial API and implementation
 *******************************************************************************/
/**
 */
package org.eclipse.qvtd.doc.miniocl.impl;

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.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.qvtd.doc.miniocl.Constraint;
import org.eclipse.qvtd.doc.miniocl.ExpressionInOCL;
import org.eclipse.qvtd.doc.miniocl.MiniOCLPackage;
import org.eclipse.qvtd.doc.miniocl.util.Visitor;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Constraint</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.qvtd.doc.miniocl.impl.ConstraintImpl#getOwnedSpecification <em>Owned Specification</em>}</li>
 *   <li>{@link org.eclipse.qvtd.doc.miniocl.impl.ConstraintImpl#getConstrainedElement <em>Constrained Element</em>}</li>
 * </ul>
 *
 * @generated
 */
public class ConstraintImpl extends NamedElementImpl implements Constraint {
	/**
	 * The cached value of the '{@link #getOwnedSpecification() <em>Owned Specification</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getOwnedSpecification()
	 * @generated
	 * @ordered
	 */
	protected ExpressionInOCL ownedSpecification;

	/**
	 * The cached value of the '{@link #getConstrainedElement() <em>Constrained Element</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getConstrainedElement()
	 * @generated
	 * @ordered
	 */
	protected org.eclipse.qvtd.doc.miniocl.Class constrainedElement;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExpressionInOCL getOwnedSpecification() {
		return ownedSpecification;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetOwnedSpecification(ExpressionInOCL newOwnedSpecification, NotificationChain msgs) {
		ExpressionInOCL oldOwnedSpecification = ownedSpecification;
		ownedSpecification = newOwnedSpecification;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION, oldOwnedSpecification, newOwnedSpecification);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setOwnedSpecification(ExpressionInOCL newOwnedSpecification) {
		if (newOwnedSpecification != ownedSpecification) {
			NotificationChain msgs = null;
			if (ownedSpecification != null)
				msgs = ((InternalEObject)ownedSpecification).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION, null, msgs);
			if (newOwnedSpecification != null)
				msgs = ((InternalEObject)newOwnedSpecification).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION, null, msgs);
			msgs = basicSetOwnedSpecification(newOwnedSpecification, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION, newOwnedSpecification, newOwnedSpecification));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public org.eclipse.qvtd.doc.miniocl.Class getConstrainedElement() {
		if (constrainedElement != null && constrainedElement.eIsProxy()) {
			InternalEObject oldConstrainedElement = (InternalEObject)constrainedElement;
			constrainedElement = (org.eclipse.qvtd.doc.miniocl.Class)eResolveProxy(oldConstrainedElement);
			if (constrainedElement != oldConstrainedElement) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT, oldConstrainedElement, constrainedElement));
			}
		}
		return constrainedElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public org.eclipse.qvtd.doc.miniocl.Class basicGetConstrainedElement() {
		return constrainedElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setConstrainedElement(org.eclipse.qvtd.doc.miniocl.Class newConstrainedElement) {
		org.eclipse.qvtd.doc.miniocl.Class oldConstrainedElement = constrainedElement;
		constrainedElement = newConstrainedElement;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT, oldConstrainedElement, constrainedElement));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION:
				return basicSetOwnedSpecification(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 MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION:
				return getOwnedSpecification();
			case MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT:
				if (resolve) return getConstrainedElement();
				return basicGetConstrainedElement();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION:
				setOwnedSpecification((ExpressionInOCL)newValue);
				return;
			case MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT:
				setConstrainedElement((org.eclipse.qvtd.doc.miniocl.Class)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION:
				setOwnedSpecification((ExpressionInOCL)null);
				return;
			case MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT:
				setConstrainedElement((org.eclipse.qvtd.doc.miniocl.Class)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case MiniOCLPackage.CONSTRAINT__OWNED_SPECIFICATION:
				return ownedSpecification != null;
			case MiniOCLPackage.CONSTRAINT__CONSTRAINED_ELEMENT:
				return constrainedElement != null;
		}
		return super.eIsSet(featureID);
	}

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

} //ConstraintImpl