plugins/org.eclipse.m2m.qvt.oml.ecore.imperativeocl/src/org/eclipse/m2m/qvt/oml/ecore/ImperativeOCL/impl/UnpackExpImpl.java

/**
 * <copyright>
 * Copyright (c) 2008, 2018 Open Canarias S.L. 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:
 *     A. Sanchez-Barbudo  - initial API and implementation
 * </copyright>
 *
 * $Id: UnpackExpImpl.java,v 1.3 2009/02/06 15:47:30 radvorak Exp $
 */
package org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectResolvingEList;
import org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.ImperativeOCLPackage;
import org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.UnpackExp;
import org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.util.ImperativeOCLVisitor;
import org.eclipse.ocl.ecore.OCLExpression;
import org.eclipse.ocl.ecore.Variable;
import org.eclipse.ocl.utilities.Visitor;


/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Unpack Exp</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.impl.UnpackExpImpl#getSource <em>Source</em>}</li>
 *   <li>{@link org.eclipse.m2m.qvt.oml.ecore.ImperativeOCL.impl.UnpackExpImpl#getTargetVariable <em>Target Variable</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class UnpackExpImpl extends ImperativeExpressionImpl implements UnpackExp {
	/**
	 * The cached value of the '{@link #getSource() <em>Source</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSource()
	 * @generated
	 * @ordered
	 */
	protected OCLExpression source;

	/**
	 * The cached value of the '{@link #getTargetVariable() <em>Target Variable</em>}' reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getTargetVariable()
	 * @generated
	 * @ordered
	 */
	protected EList<Variable> targetVariable;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public OCLExpression getSource() {
		return source;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetSource(OCLExpression newSource, NotificationChain msgs) {
		OCLExpression oldSource = source;
		source = newSource;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNPACK_EXP__SOURCE, oldSource, newSource);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSource(OCLExpression newSource) {
		if (newSource != source) {
			NotificationChain msgs = null;
			if (source != null)
				msgs = ((InternalEObject)source).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNPACK_EXP__SOURCE, null, msgs);
			if (newSource != null)
				msgs = ((InternalEObject)newSource).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ImperativeOCLPackage.UNPACK_EXP__SOURCE, null, msgs);
			msgs = basicSetSource(newSource, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ImperativeOCLPackage.UNPACK_EXP__SOURCE, newSource, newSource));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList<Variable> getTargetVariable() {
		if (targetVariable == null) {
			targetVariable = new EObjectResolvingEList<Variable>(Variable.class, this, ImperativeOCLPackage.UNPACK_EXP__TARGET_VARIABLE);
		}
		return targetVariable;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ImperativeOCLPackage.UNPACK_EXP__SOURCE:
				return basicSetSource(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 ImperativeOCLPackage.UNPACK_EXP__SOURCE:
				return getSource();
			case ImperativeOCLPackage.UNPACK_EXP__TARGET_VARIABLE:
				return getTargetVariable();
		}
		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 ImperativeOCLPackage.UNPACK_EXP__SOURCE:
				setSource((OCLExpression)newValue);
				return;
			case ImperativeOCLPackage.UNPACK_EXP__TARGET_VARIABLE:
				getTargetVariable().clear();
				getTargetVariable().addAll((Collection<? extends Variable>)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.UNPACK_EXP__SOURCE:
				setSource((OCLExpression)null);
				return;
			case ImperativeOCLPackage.UNPACK_EXP__TARGET_VARIABLE:
				getTargetVariable().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case ImperativeOCLPackage.UNPACK_EXP__SOURCE:
				return source != null;
			case ImperativeOCLPackage.UNPACK_EXP__TARGET_VARIABLE:
				return targetVariable != null && !targetVariable.isEmpty();
		}
		return super.eIsSet(featureID);
	}
	
	/**
	 * @generated NOT
	 */
	@SuppressWarnings("unchecked")
	@Override
	public <T, U extends Visitor<T, ?, ?, ?, ?, ?, ?, ?, ?, ?>> T accept(U v) {
		if (v instanceof ImperativeOCLVisitor)
			return (T) ((ImperativeOCLVisitor) v).visitUnpackExp(this);
		return super.<T, U>accept(v);
	}

} //UnpackExpImpl