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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.Bpmn2Package;
import org.eclipse.bpmn2.DataState;
import org.eclipse.bpmn2.ItemAwareElement;
import org.eclipse.bpmn2.ItemDefinition;

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 'Item Aware Element'.
 * 
 * 
 * The following features are implemented:
 * 
 * 
 *   {@link org.eclipse.bpmn2.impl.ItemAwareElementImpl#getDataState Data State}
 *   {@link org.eclipse.bpmn2.impl.ItemAwareElementImpl#getItemSubjectRef Item Subject Ref}
 * 
 *
 * @generated
 */
public class ItemAwareElementImpl extends BaseElementImpl implements ItemAwareElement {
	/**
	 * The cached value of the '{@link #getDataState() Data State}' containment reference.
	 * 
	 * 
	 * @see #getDataState()
	 * @generated
	 * @ordered
	 */
	@GwtTransient
	protected DataState dataState;

	/**
	 * The cached value of the '{@link #getItemSubjectRef() Item Subject Ref}' reference.
	 * 
	 * 
	 * @see #getItemSubjectRef()
	 * @generated
	 * @ordered
	 */
	@GwtTransient
	protected ItemDefinition itemSubjectRef;

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

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

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public DataState getDataState() {
		return dataState;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public NotificationChain basicSetDataState(DataState newDataState, NotificationChain msgs) {
		DataState oldDataState = dataState;
		dataState = newDataState;
		if (eNotificationRequired()) {
			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET,
					Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE, oldDataState, newDataState);
			if (msgs == null)
				msgs = notification;
			else
				msgs.add(notification);
		}
		return msgs;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setDataState(DataState newDataState) {
		if (newDataState != dataState) {
			NotificationChain msgs = null;
			if (dataState != null)
				msgs = ((InternalEObject) dataState).eInverseRemove(this,
						EOPPOSITE_FEATURE_BASE - Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE, null, msgs);
			if (newDataState != null)
				msgs = ((InternalEObject) newDataState).eInverseAdd(this,
						EOPPOSITE_FEATURE_BASE - Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE, null, msgs);
			msgs = basicSetDataState(newDataState, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE,
					newDataState, newDataState));
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public ItemDefinition getItemSubjectRef() {
		if (itemSubjectRef != null && itemSubjectRef.eIsProxy()) {
			InternalEObject oldItemSubjectRef = (InternalEObject) itemSubjectRef;
			itemSubjectRef = (ItemDefinition) eResolveProxy(oldItemSubjectRef);
			if (itemSubjectRef != oldItemSubjectRef) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
							Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF, oldItemSubjectRef, itemSubjectRef));
			}
		}
		return itemSubjectRef;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	public ItemDefinition basicGetItemSubjectRef() {
		return itemSubjectRef;
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void setItemSubjectRef(ItemDefinition newItemSubjectRef) {
		ItemDefinition oldItemSubjectRef = itemSubjectRef;
		itemSubjectRef = newItemSubjectRef;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF,
					oldItemSubjectRef, itemSubjectRef));
	}

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

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
		case Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE:
			return getDataState();
		case Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF:
			if (resolve)
				return getItemSubjectRef();
			return basicGetItemSubjectRef();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
		case Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE:
			setDataState((DataState) newValue);
			return;
		case Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF:
			setItemSubjectRef((ItemDefinition) newValue);
			return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
		case Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE:
			setDataState((DataState) null);
			return;
		case Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF:
			setItemSubjectRef((ItemDefinition) null);
			return;
		}
		super.eUnset(featureID);
	}

	/**
	 * 
	 * 
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
		case Bpmn2Package.ITEM_AWARE_ELEMENT__DATA_STATE:
			return dataState != null;
		case Bpmn2Package.ITEM_AWARE_ELEMENT__ITEM_SUBJECT_REF:
			return itemSubjectRef != null;
		}
		return super.eIsSet(featureID);
	}

} //ItemAwareElementImpl