SmartModelNavigationImpl.java

/**
 * <copyright>
 * </copyright>
 *
 * $Id$
 */
package org.eclipse.emf.eef.mapping.navigation.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.emf.eef.mapping.navigation.NavigationPackage;
import org.eclipse.emf.eef.mapping.navigation.NavigationStep;
import org.eclipse.emf.eef.mapping.navigation.SmartModelNavigation;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Smart Model Navigation</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.emf.eef.mapping.navigation.impl.SmartModelNavigationImpl#getStep <em>Step</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class SmartModelNavigationImpl extends ModelNavigationImpl implements
		SmartModelNavigation {
	/**
	 * The cached value of the '{@link #getStep() <em>Step</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getStep()
	 * @generated
	 * @ordered
	 */
	protected NavigationStep step;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NavigationStep getStep() {
		return step;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetStep(NavigationStep newStep,
			NotificationChain msgs) {
		NavigationStep oldStep = step;
		step = newStep;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET,
					NavigationPackage.SMART_MODEL_NAVIGATION__STEP, oldStep,
					newStep);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setStep(NavigationStep newStep) {
		if (newStep != step) {
			NotificationChain msgs = null;
			if (step != null)
				msgs = ((InternalEObject) step)
						.eInverseRemove(
								this,
								EOPPOSITE_FEATURE_BASE
										- NavigationPackage.SMART_MODEL_NAVIGATION__STEP,
								null, msgs);
			if (newStep != null)
				msgs = ((InternalEObject) newStep)
						.eInverseAdd(
								this,
								EOPPOSITE_FEATURE_BASE
										- NavigationPackage.SMART_MODEL_NAVIGATION__STEP,
								null, msgs);
			msgs = basicSetStep(newStep, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					NavigationPackage.SMART_MODEL_NAVIGATION__STEP, newStep,
					newStep));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
		case NavigationPackage.SMART_MODEL_NAVIGATION__STEP:
			return basicSetStep(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 NavigationPackage.SMART_MODEL_NAVIGATION__STEP:
			return getStep();
		}
		return super.eGet(featureID, resolve, coreType);
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case NavigationPackage.SMART_MODEL_NAVIGATION__STEP:
			setStep((NavigationStep) null);
			return;
		}
		super.eUnset(featureID);
	}

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

} //SmartModelNavigationImpl