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* 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,
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package org.apache.cayenne.access.jdbc.reader;
import java.sql.ResultSet;
import org.apache.cayenne.DataRow;
import org.apache.cayenne.access.jdbc.RowDescriptor;
import org.apache.cayenne.map.EntityInheritanceTree;
import org.apache.cayenne.map.ObjEntity;
import org.apache.cayenne.query.EntityResultSegment;
/**
* @since 3.0
*/
class InheritanceAwareEntityRowReader extends EntityRowReader {
private EntityInheritanceTree entityInheritanceTree;
public InheritanceAwareEntityRowReader(RowDescriptor descriptor, EntityResultSegment segmentMetadata,
DataRowPostProcessor postProcessor) {
super(descriptor, segmentMetadata, postProcessor);
this.entityInheritanceTree = segmentMetadata.getClassDescriptor().getEntityInheritanceTree();
}
@Override
void postprocessRow(ResultSet resultSet, DataRow dataRow) throws Exception {
if (postProcessor != null) {
postProcessor.postprocessRow(resultSet, dataRow);
}
ObjEntity entity = entityInheritanceTree.entityMatchingRow(dataRow);
dataRow.setEntityName(entity != null ? entity.getName() : entityName);
}
}