/*
// This software is subject to the terms of the Eclipse Public License v1.0
// Agreement, available at the following URL:
// http://www.eclipse.org/legal/epl-v10.html.
// Copyright (C) 2007-2010 Julian Hyde
// All Rights Reserved.
// You must accept the terms of that agreement to use this software.
*/
package mondrian.olap4j;
import org.olap4j.CellSetAxisMetaData;
import org.olap4j.Axis;
import org.olap4j.metadata.Hierarchy;
import org.olap4j.metadata.Property;
import org.olap4j.metadata.Dimension;
import mondrian.olap.*;
import mondrian.olap.type.*;
import java.util.*;
/**
* Implementation of {@link org.olap4j.CellSetMetaData}
* for the Mondrian OLAP engine.
*
* @author jhyde
* @version $Id: //open/mondrian-release/3.2/src/main/mondrian/olap4j/MondrianOlap4jCellSetAxisMetaData.java#2 $
* @since Nov 17, 2007
*/
class MondrianOlap4jCellSetAxisMetaData implements CellSetAxisMetaData {
private final QueryAxis queryAxis;
private final MondrianOlap4jCellSetMetaData cellSetMetaData;
private final List<Property> propertyList = new ArrayList<Property>();
/**
* Creates a MondrianOlap4jCellSetAxisMetaData.
*
* @param cellSetMetaData Cell set axis metadata
* @param queryAxis Query axis
*/
MondrianOlap4jCellSetAxisMetaData(
MondrianOlap4jCellSetMetaData cellSetMetaData,
QueryAxis queryAxis)
{
if (queryAxis == null) {
queryAxis = new QueryAxis(
false, null, AxisOrdinal.StandardAxisOrdinal.SLICER,
QueryAxis.SubtotalVisibility.Undefined);
}
this.queryAxis = queryAxis;
this.cellSetMetaData = cellSetMetaData;
// populate property list
for (Id id : queryAxis.getDimensionProperties()) {
final String[] names = id.toStringArray();
Property property = null;
if (names.length == 1) {
property =
Util.lookup(
Property.StandardMemberProperty.class, names[0]);
}
if (property == null) {
property =
(Property)
Util.lookup(
cellSetMetaData.query,
id.getSegments(),
true);
}
propertyList.add(property);
}
}
public Axis getAxisOrdinal() {
return Axis.Factory.forOrdinal(
queryAxis.getAxisOrdinal().logicalOrdinal());
}
public List<Hierarchy> getHierarchies() {
return getHierarchiesNonFilter();
}
/**
* Returns the hierarchies on a non-filter axis.
*
* @return List of hierarchies, never null
*/
private List<Hierarchy> getHierarchiesNonFilter() {
final Exp exp = queryAxis.getSet();
if (exp == null) {
return Collections.emptyList();
}
Type type = exp.getType();
if (type instanceof SetType) {
type = ((SetType) type).getElementType();
}
final MondrianOlap4jConnection olap4jConnection =
cellSetMetaData.olap4jStatement.olap4jConnection;
if (type instanceof TupleType) {
final TupleType tupleType = (TupleType) type;
List<Hierarchy> hierarchyList =
new ArrayList<Hierarchy>();
for (Type elementType : tupleType.elementTypes) {
hierarchyList.add(
olap4jConnection.toOlap4j(
elementType.getHierarchy()));
}
return hierarchyList;
} else {
return Collections.singletonList(
(Hierarchy) olap4jConnection.toOlap4j(
type.getHierarchy()));
}
}
public List<Property> getProperties() {
return propertyList;
}
}
// End MondrianOlap4jCellSetAxisMetaData.java