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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.util.EcoreUtil;
import commonj.sdo.DataObject;
import commonj.sdo.helper.EqualityHelper;
/**
* A helper for comparing DataObjects.
*/
public class EqualityHelperImpl implements EqualityHelper
{
public boolean equalShallow(DataObject dataObject1, DataObject dataObject2)
{
EcoreUtil.EqualityHelper equalityHelper = new EcoreUtil.EqualityHelper()
{
protected boolean haveEqualFeature(EObject eObject1, EObject eObject2, EStructuralFeature feature)
{
if (feature instanceof EAttribute)
{
boolean eIsSet = eObject1.eIsSet(feature);
if (eIsSet != eObject2.eIsSet(feature) || !haveEqualAttribute(eObject1, eObject2, (EAttribute)feature))
{
return false;
}
}
return true;
}
protected boolean equalFeatureMapValues(Object value1, Object value2, EStructuralFeature feature)
{
if (feature instanceof EAttribute)
{
return value1 == null ? value2 == null : value1.equals(value2);
}
return true;
}
};
return equalityHelper.equals((EObject)dataObject1, (EObject)dataObject2);
}
public boolean equal(DataObject dataObject1, DataObject dataObject2)
{
return EcoreUtil.equals((EObject)dataObject1, (EObject)dataObject2);
}
}
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