package org.eclipse.persistence.internal.jpa.querydef;
import java.util.List;
import java.util.Vector;
import javax.persistence.criteria.Selection;
import org.eclipse.persistence.internal.sessions.AbstractRecord;
import org.eclipse.persistence.queries.ReportQuery;
import org.eclipse.persistence.queries.ReportQueryResult;
/**
* <p>
* <b>Purpose</b>: This is a special subclass of the ReportQuery that constructs Tuple results.
* <p>
* <b>Description</b>: A subclass of ReportQuery this query type combines multiple selections into
* <p>
*
* @see javax.persistence.criteria CriteriaQuery
*
* @author gyorke
* @since EclipseLink 1.2
*/
public class TupleQuery extends ReportQuery {
protected List<? super Selection<?>> selections;
public TupleQuery(List<? super Selection<?>> selections){
super();
this.selections = selections;
}
/**
* INTERNAL:
* Construct a result from a row. Either return a ReportQueryResult or just the attribute.
*/
@Override
public Object buildObject(AbstractRecord row, Vector toManyJoinData) {
return new TupleImpl(this.selections, new ReportQueryResult(this, row, toManyJoinData));
}
}