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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.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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