/**
 * <copyright>
 * </copyright>
 *
 * $Id: ElseImpl.java,v 1.10 2011/03/30 18:54:25 rbrodt Exp $
 */
package org.eclipse.bpel.model.impl;

import org.eclipse.bpel.model.Activity;
import org.eclipse.bpel.model.BPELPackage;
import org.eclipse.bpel.model.Else;
import org.eclipse.bpel.model.util.ReconciliationHelper;
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;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Else</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.bpel.model.impl.ElseImpl#getActivity <em>Activity</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ElseImpl extends BPELExtensibleElementImpl implements Else {
	/**
	 * The cached value of the '{@link #getActivity() <em>Activity</em>}' containment reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getActivity()
	 * @generated
	 * @ordered
	 */
	protected Activity activity;

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Activity getActivity() {
		return activity;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 */
	public NotificationChain basicSetActivity(Activity newActivity,
			NotificationChain msgs) {
		Activity oldActivity = activity;
		if (!isReconciling) {
			ReconciliationHelper.replaceChild(this, oldActivity, newActivity);
		}
		activity = newActivity;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this,
					Notification.SET, BPELPackage.ELSE__ACTIVITY, oldActivity,
					newActivity);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setActivity(Activity newActivity) {
		if (newActivity != activity) {
			NotificationChain msgs = null;
			if (activity != null)
				msgs = ((InternalEObject) activity).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE - BPELPackage.ELSE__ACTIVITY,
						null, msgs);
			if (newActivity != null)
				msgs = ((InternalEObject) newActivity).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - BPELPackage.ELSE__ACTIVITY,
						null, msgs);
			msgs = basicSetActivity(newActivity, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
					BPELPackage.ELSE__ACTIVITY, newActivity, newActivity));
	}

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case BPELPackage.ELSE__ACTIVITY:
			setActivity((Activity) null);
			return;
		}
		super.eUnset(featureID);
	}

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

} //ElseImpl