/*
 *
 * This source file belongs to the MDD4SOA suite developed at the Institute of 
 * Computer Science, Programming and Software Engineering, of the Ludwig-Maximilians-
 * Universität München, Germany. 
 * 
 * http://www.pst.ifi.lmu.de/
 * http://www.mdd4soa.eu/
 *
 * See the enclosed LICENSE file for licensing information.
 *
 */
package de.lmu.ifi.pst.mdd4soa.transform.impl.iom.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.emf.ecore.impl.EObjectImpl;

import de.lmu.ifi.pst.mdd4soa.transform.exception.TransformationException;
import de.lmu.ifi.pst.mdd4soa.transform.impl.iom.Expression;
import de.lmu.ifi.pst.mdd4soa.transform.impl.iom.IOMPackage;
import de.lmu.ifi.pst.mdd4soa.transform.impl.iom.type.Type;

/**
 * <!-- begin-user-doc --> An implementation of the model object '
 * <em><b>Expression</b></em>'. <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link de.lmu.ifi.pst.mdd4soa.transform.impl.iom.impl.ExpressionImpl#getType <em>Type</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public abstract class ExpressionImpl extends EObjectImpl implements Expression {
	/**
	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @see #getType()
	 * @generated
	 * @ordered
	 */
	protected Type type;

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

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

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public Type getType() throws TransformationException {
		if (type != null && type.eIsProxy()) {
			InternalEObject oldType = (InternalEObject)type;
			type = (Type)eResolveProxy(oldType);
			if (type != oldType) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, IOMPackage.EXPRESSION__TYPE, oldType, type));
			}
		}
		return type;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public Type basicGetType() {
		return type;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	public void setType(Type newType) {
		Type oldType = type;
		type = newType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, IOMPackage.EXPRESSION__TYPE, oldType, type));
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case IOMPackage.EXPRESSION__TYPE:
				if (resolve)
					try {
						return getType();
					} catch (TransformationException e) {
						throw new RuntimeException(e);
					}
				return basicGetType();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case IOMPackage.EXPRESSION__TYPE:
				setType((Type)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case IOMPackage.EXPRESSION__TYPE:
				setType((Type)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} // ExpressionImpl
