tooling/org.eclipse.smila.processing.designer.model/code/src/org/eclipse/smila/processing/designer/model/record/impl/ExtensionElementImpl.java

/**
 * Copyright (c) 2010 Attensity Europe GmbH. 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
 */
package org.eclipse.smila.processing.designer.model.record.impl;

import org.eclipse.bpel.model.impl.ExtensibleElementImpl;
import org.eclipse.bpel.model.impl.ExtensionActivityImpl;
import org.eclipse.bpel.model.util.ReconciliationHelper;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.smila.processing.designer.model.record.ExtensionElement;
import org.eclipse.smila.processing.designer.model.record.RecordPackage;
import org.eclipse.wst.wsdl.WSDLElement;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * <!-- begin-user-doc --> An implementation of the model object '<em><b>Extension Element</b></em>'. <!-- end-user-doc
 * -->
 * <p>
 * </p>
 * 
 * @generated
 */
public abstract class ExtensionElementImpl extends ExtensibleElementImpl implements ExtensionElement {
  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @generated
   */
  protected ExtensionElementImpl() {
    super();
  }

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

  /**
   * <!-- begin-user-doc --> <!-- end-user-doc -->
   * 
   * @customized
   */
  @Override
  public Element fixElement(Document document) {
    if (getElement() == null && !isUpdatingDOM()) {
      try {
        setUpdatingDOM(true);
        setElement(createFixedElement(document));
      } finally {
        setUpdatingDOM(false);
      }
    }
    return getElement();
  }

  protected abstract Element createFixedElement(Document document);

  protected <E extends ExtensionElement> void replaceChild(E oldElement, E newElement) {
    if (shouldReconcile()) {
      if (newElement.fixElement(getElement().getOwnerDocument()) != null) {
        ReconciliationHelper.replaceChild(this, oldElement, newElement);
      }
    }
  }

  protected boolean shouldReconcile() {
    return !isReconciling() && !isUpdatingDOM() && getElement() != null && !ReconciliationHelper.isLoading(this);
  }

  /**
   * @see org.eclipse.bpel.model.impl.ExtensibleElementImpl#setUpdatingDOM(boolean)
   */
  @Override
  public void setUpdatingDOM(boolean updatingDOM) {
    super.setUpdatingDOM(updatingDOM);
    // Adjust extension activity
    WSDLElement container = getContainer();
    while (container != null) {
      if (container instanceof ExtensionActivityImpl) {
        ((ExtensionActivityImpl) container).setUpdatingDOM(updatingDOM);
        return;
      }
      container = container.getContainer();
    }
  }

} // ExtensionElementImpl