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Kie Workbench - Common - Stunner - BPMN Definition Set - GWT Support for Eclipse EMF/XMI
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/**
 * 
 * 
 * Copyright (c) 2010 SAP AG.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *    Reiner Hille-Doering (SAP AG) - initial API and implementation and/or initial documentation
 * 
 * 
 */
package org.eclipse.bpmn2.impl;

import com.google.gwt.user.client.rpc.GwtTransient;

import org.eclipse.bpmn2.Assignment;
import org.eclipse.bpmn2.Bpmn2Package;
import org.eclipse.bpmn2.Expression;

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;

/**
 * 
 * An implementation of the model object 'Assignment'.
 * 
 * 
 * The following features are implemented:
 * 
 * 
 *   {@link org.eclipse.bpmn2.impl.AssignmentImpl#getFrom From}
 *   {@link org.eclipse.bpmn2.impl.AssignmentImpl#getTo To}
 * 
 *
 * @generated
 */
public class AssignmentImpl extends BaseElementImpl implements Assignment {
	/**
	 * The cached value of the '{@link #getFrom() From}' containment reference.
	 * 
	 * 
	 * @see #getFrom()
	 * @generated
	 * @ordered
	 */
	@GwtTransient
	protected Expression from;

	/**
	 * The cached value of the '{@link #getTo() To}' containment reference.
	 * 
	 * 
	 * @see #getTo()
	 * @generated
	 * @ordered
	 */
	@GwtTransient
	protected Expression to;

	/**
	 * 
	 * 
	 * @generated
	 */
	protected AssignmentImpl() {
		super();
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return Bpmn2Package.Literals.ASSIGNMENT;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Expression getFrom() {
		return from;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public NotificationChain basicSetFrom(Expression newFrom, NotificationChain msgs) {
		Expression oldFrom = from;
		from = newFrom;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
					Bpmn2Package.ASSIGNMENT__FROM, oldFrom, newFrom);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setFrom(Expression newFrom) {
		if (newFrom != from) {
			NotificationChain msgs = null;
			if (from != null)
				msgs = ((InternalEObject) from).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE - Bpmn2Package.ASSIGNMENT__FROM, null, msgs);
			if (newFrom != null)
				msgs = ((InternalEObject) newFrom).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - Bpmn2Package.ASSIGNMENT__FROM, null, msgs);
			msgs = basicSetFrom(newFrom, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.ASSIGNMENT__FROM, newFrom, newFrom));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Expression getTo() {
		return to;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public NotificationChain basicSetTo(Expression newTo, NotificationChain msgs) {
		Expression oldTo = to;
		to = newTo;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, Bpmn2Package.ASSIGNMENT__TO,
					oldTo, newTo);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setTo(Expression newTo) {
		if (newTo != to) {
			NotificationChain msgs = null;
			if (to != null)
				msgs = ((InternalEObject) to).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - Bpmn2Package.ASSIGNMENT__TO,
						null, msgs);
			if (newTo != null)
				msgs = ((InternalEObject) newTo).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - Bpmn2Package.ASSIGNMENT__TO,
						null, msgs);
			msgs = basicSetTo(newTo, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.ASSIGNMENT__TO, newTo, newTo));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
		case Bpmn2Package.ASSIGNMENT__FROM:
			return basicSetFrom(null, msgs);
		case Bpmn2Package.ASSIGNMENT__TO:
			return basicSetTo(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case Bpmn2Package.ASSIGNMENT__FROM:
			return getFrom();
		case Bpmn2Package.ASSIGNMENT__TO:
			return getTo();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case Bpmn2Package.ASSIGNMENT__FROM:
			setFrom((Expression) newValue);
			return;
		case Bpmn2Package.ASSIGNMENT__TO:
			setTo((Expression) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case Bpmn2Package.ASSIGNMENT__FROM:
			setFrom((Expression) null);
			return;
		case Bpmn2Package.ASSIGNMENT__TO:
			setTo((Expression) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case Bpmn2Package.ASSIGNMENT__FROM:
			return from != null;
		case Bpmn2Package.ASSIGNMENT__TO:
			return to != null;
		}
		return super.eIsSet(featureID);
	}

} //AssignmentImpl