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/**
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.tuscany.sdo.helper;


import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.EcoreUtil.Copier;

import commonj.sdo.DataObject;
import commonj.sdo.helper.CopyHelper;


/**
 * A helper for copying DataObjects.
 */
public class CopyHelperImpl implements CopyHelper
{
  public DataObject copyShallow(DataObject dataObject)
  {
    Copier copier = new Copier()
      {
        protected void copyContainment(EReference eReference, EObject eObject, EObject copyEObject)
        {
        }
      };
    EObject result = copier.copy((EObject)dataObject);
    copier.copyReferences();
    return (DataObject)result;
  }

  public DataObject copy(DataObject dataObject)
  {
    return (DataObject)EcoreUtil.copy((EObject)dataObject);
  }
}