SubtypingImpl.java

/**
 */
package fr.inria.diverse.melange.metamodel.melange.impl;

import fr.inria.diverse.melange.metamodel.melange.MelangePackage;
import fr.inria.diverse.melange.metamodel.melange.ModelType;
import fr.inria.diverse.melange.metamodel.melange.Subtyping;

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.emf.ecore.impl.MinimalEObjectImpl;

import org.eclipse.emf.ecore.util.EcoreUtil;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Subtyping</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link fr.inria.diverse.melange.metamodel.melange.impl.SubtypingImpl#getSubType <em>Sub Type</em>}</li>
 *   <li>{@link fr.inria.diverse.melange.metamodel.melange.impl.SubtypingImpl#getSuperType <em>Super Type</em>}</li>
 * </ul>
 *
 * @generated
 */
public class SubtypingImpl extends MinimalEObjectImpl.Container implements Subtyping {
	/**
	 * The cached value of the '{@link #getSuperType() <em>Super Type</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSuperType()
	 * @generated
	 * @ordered
	 */
	protected ModelType superType;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelType getSubType() {
		if (eContainerFeatureID() != MelangePackage.SUBTYPING__SUB_TYPE) return null;
		return (ModelType)eInternalContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetSubType(ModelType newSubType, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newSubType, MelangePackage.SUBTYPING__SUB_TYPE, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSubType(ModelType newSubType) {
		if (newSubType != eInternalContainer() || (eContainerFeatureID() != MelangePackage.SUBTYPING__SUB_TYPE && newSubType != null)) {
			if (EcoreUtil.isAncestor(this, newSubType))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newSubType != null)
				msgs = ((InternalEObject)newSubType).eInverseAdd(this, MelangePackage.MODEL_TYPE__SUBTYPING_RELATIONS, ModelType.class, msgs);
			msgs = basicSetSubType(newSubType, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MelangePackage.SUBTYPING__SUB_TYPE, newSubType, newSubType));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelType getSuperType() {
		if (superType != null && superType.eIsProxy()) {
			InternalEObject oldSuperType = (InternalEObject)superType;
			superType = (ModelType)eResolveProxy(oldSuperType);
			if (superType != oldSuperType) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MelangePackage.SUBTYPING__SUPER_TYPE, oldSuperType, superType));
			}
		}
		return superType;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelType basicGetSuperType() {
		return superType;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSuperType(ModelType newSuperType) {
		ModelType oldSuperType = superType;
		superType = newSuperType;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, MelangePackage.SUBTYPING__SUPER_TYPE, oldSuperType, superType));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetSubType((ModelType)otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				return basicSetSubType(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID()) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				return eInternalContainer().eInverseRemove(this, MelangePackage.MODEL_TYPE__SUBTYPING_RELATIONS, ModelType.class, msgs);
		}
		return super.eBasicRemoveFromContainerFeature(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				return getSubType();
			case MelangePackage.SUBTYPING__SUPER_TYPE:
				if (resolve) return getSuperType();
				return basicGetSuperType();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				setSubType((ModelType)newValue);
				return;
			case MelangePackage.SUBTYPING__SUPER_TYPE:
				setSuperType((ModelType)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				setSubType((ModelType)null);
				return;
			case MelangePackage.SUBTYPING__SUPER_TYPE:
				setSuperType((ModelType)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case MelangePackage.SUBTYPING__SUB_TYPE:
				return getSubType() != null;
			case MelangePackage.SUBTYPING__SUPER_TYPE:
				return superType != null;
		}
		return super.eIsSet(featureID);
	}

} //SubtypingImpl