ElementNodeImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package orgomg.cwm.foundation.expressions.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 orgomg.cwm.foundation.expressions.ElementNode;
import orgomg.cwm.foundation.expressions.ExpressionsPackage;

import orgomg.cwm.objectmodel.core.CorePackage;
import orgomg.cwm.objectmodel.core.ModelElement;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Element Node</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link orgomg.cwm.foundation.expressions.impl.ElementNodeImpl#getModelElement <em>Model Element</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ElementNodeImpl extends ExpressionNodeImpl implements ElementNode {
	/**
	 * The cached value of the '{@link #getModelElement() <em>Model Element</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getModelElement()
	 * @generated
	 * @ordered
	 */
	protected ModelElement modelElement;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelElement getModelElement() {
		if (modelElement != null && modelElement.eIsProxy()) {
			InternalEObject oldModelElement = (InternalEObject)modelElement;
			modelElement = (ModelElement)eResolveProxy(oldModelElement);
			if (modelElement != oldModelElement) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT, oldModelElement, modelElement));
			}
		}
		return modelElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ModelElement basicGetModelElement() {
		return modelElement;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetModelElement(ModelElement newModelElement, NotificationChain msgs) {
		ModelElement oldModelElement = modelElement;
		modelElement = newModelElement;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT, oldModelElement, newModelElement);
			if (msgs == null) msgs = notification; else msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setModelElement(ModelElement newModelElement) {
		if (newModelElement != modelElement) {
			NotificationChain msgs = null;
			if (modelElement != null)
				msgs = ((InternalEObject)modelElement).eInverseRemove(this, CorePackage.MODEL_ELEMENT__ELEMENT_NODE, ModelElement.class, msgs);
			if (newModelElement != null)
				msgs = ((InternalEObject)newModelElement).eInverseAdd(this, CorePackage.MODEL_ELEMENT__ELEMENT_NODE, ModelElement.class, msgs);
			msgs = basicSetModelElement(newModelElement, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT, newModelElement, newModelElement));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT:
				if (modelElement != null)
					msgs = ((InternalEObject)modelElement).eInverseRemove(this, CorePackage.MODEL_ELEMENT__ELEMENT_NODE, ModelElement.class, msgs);
				return basicSetModelElement((ModelElement)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 ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT:
				return basicSetModelElement(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 ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT:
				if (resolve) return getModelElement();
				return basicGetModelElement();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case ExpressionsPackage.ELEMENT_NODE__MODEL_ELEMENT:
				setModelElement((ModelElement)null);
				return;
		}
		super.eUnset(featureID);
	}

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

} //ElementNodeImpl