001 /* 002 // $Id: Quax.java 482 2012-01-05 23:27:27Z jhyde $ 003 // 004 // Licensed to Julian Hyde under one or more contributor license 005 // agreements. See the NOTICE file distributed with this work for 006 // additional information regarding copyright ownership. 007 // 008 // Julian Hyde licenses this file to you under the Apache License, 009 // Version 2.0 (the "License"); you may not use this file except in 010 // compliance with the License. You may obtain a copy of the License at: 011 // 012 // http://www.apache.org/licenses/LICENSE-2.0 013 // 014 // Unless required by applicable law or agreed to in writing, software 015 // distributed under the License is distributed on an "AS IS" BASIS, 016 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 // See the License for the specific language governing permissions and 018 // limitations under the License. 019 */ 020 package org.olap4j.transform; 021 022 import org.olap4j.CellSetAxis; 023 import org.olap4j.Position; 024 import org.olap4j.metadata.Member; 025 026 /** 027 * Representation of member expressions on a query axis, derived from 028 * CellSetAxis objects. 029 * 030 * <p>Quaxes are used by MDX axis query transforms, to construct and use 031 * an internal tree-like representation of positions and members from the 032 * result CellSetAxis objects of a previous MDX query. This is needed 033 * for OLAP navigation operators like drill-down on a position. 034 * 035 * <p>Inspired from the JPivot Quax class. 036 * 037 * <p>NOTE: not exactly sure how to implement this, to be completed... 038 * 039 * @author etdub 040 * @version $Id: Quax.java 482 2012-01-05 23:27:27Z jhyde $ 041 * @since Aug 7, 2008 042 */ 043 public class Quax { 044 private final CellSetAxis cellSetAxis; 045 046 private TreeNode<Member> memberTree; 047 048 public Quax(CellSetAxis cellSetAxis) { 049 this.cellSetAxis = cellSetAxis; 050 051 for (Position p : cellSetAxis.getPositions()) { 052 p.getMembers(); 053 } 054 } 055 } 056 057 // End Quax.java