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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span>// $Id: DrillDownOnPositionTransform.java 482 2012-01-05 23:27:27Z jhyde $<a name="line.2"></a>
<span class="sourceLineNo">003</span>//<a name="line.3"></a>
<span class="sourceLineNo">004</span>// Licensed to Julian Hyde under one or more contributor license<a name="line.4"></a>
<span class="sourceLineNo">005</span>// agreements. See the NOTICE file distributed with this work for<a name="line.5"></a>
<span class="sourceLineNo">006</span>// additional information regarding copyright ownership.<a name="line.6"></a>
<span class="sourceLineNo">007</span>//<a name="line.7"></a>
<span class="sourceLineNo">008</span>// Julian Hyde licenses this file to you under the Apache License,<a name="line.8"></a>
<span class="sourceLineNo">009</span>// Version 2.0 (the "License"); you may not use this file except in<a name="line.9"></a>
<span class="sourceLineNo">010</span>// compliance with the License. You may obtain a copy of the License at:<a name="line.10"></a>
<span class="sourceLineNo">011</span>//<a name="line.11"></a>
<span class="sourceLineNo">012</span>// http://www.apache.org/licenses/LICENSE-2.0<a name="line.12"></a>
<span class="sourceLineNo">013</span>//<a name="line.13"></a>
<span class="sourceLineNo">014</span>// Unless required by applicable law or agreed to in writing, software<a name="line.14"></a>
<span class="sourceLineNo">015</span>// distributed under the License is distributed on an "AS IS" BASIS,<a name="line.15"></a>
<span class="sourceLineNo">016</span>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.16"></a>
<span class="sourceLineNo">017</span>// See the License for the specific language governing permissions and<a name="line.17"></a>
<span class="sourceLineNo">018</span>// limitations under the License.<a name="line.18"></a>
<span class="sourceLineNo">019</span>*/<a name="line.19"></a>
<span class="sourceLineNo">020</span>package org.olap4j.transform;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.olap4j.*;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.olap4j.mdx.*;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.olap4j.metadata.Member;<a name="line.24"></a>
<span class="sourceLineNo">025</span><a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.List;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
<span class="sourceLineNo">029</span> * Drill down on position transform<a name="line.29"></a>
<span class="sourceLineNo">030</span> *<a name="line.30"></a>
<span class="sourceLineNo">031</span> * TODO: transform to be completed, not working for now.<a name="line.31"></a>
<span class="sourceLineNo">032</span> *<a name="line.32"></a>
<span class="sourceLineNo">033</span> * <p>Description: Adds the children of a member at a specific position on an<a name="line.33"></a>
<span class="sourceLineNo">034</span> * axis. The member to drill is identified from a CellSet with the axis,<a name="line.34"></a>
<span class="sourceLineNo">035</span> * positionOrdinalInAxis and memberOrdinalInPosition arguments. The drilled<a name="line.35"></a>
<span class="sourceLineNo">036</span> * member will still be present on the axis, in addition to its children. It<a name="line.36"></a>
<span class="sourceLineNo">037</span> * is recommended to apply a Hierarchize transform to the same axis of the<a name="line.37"></a>
<span class="sourceLineNo">038</span> * resulting query, in order to have members in correct hierarchical order.<a name="line.38"></a>
<span class="sourceLineNo">039</span> *<a name="line.39"></a>
<span class="sourceLineNo">040</span> * <p>Example of use: the user clicks on a member in a crosstab axis, in order<a name="line.40"></a>
<span class="sourceLineNo">041</span> * to see its children in addition to the member itself.<a name="line.41"></a>
<span class="sourceLineNo">042</span> *<a name="line.42"></a>
<span class="sourceLineNo">043</span> * <p>Applicability: this transform is applicable only to members in a query<a name="line.43"></a>
<span class="sourceLineNo">044</span> * that are drillable, i.e. non-leaf members. The CellSet resulting from the<a name="line.44"></a>
<span class="sourceLineNo">045</span> * execution of the initial MDX query must also be available.<a name="line.45"></a>
<span class="sourceLineNo">046</span> *<a name="line.46"></a>
<span class="sourceLineNo">047</span> * @author etdub<a name="line.47"></a>
<span class="sourceLineNo">048</span> * @author jhyde<a name="line.48"></a>
<span class="sourceLineNo">049</span> * @version $Id: DrillDownOnPositionTransform.java 482 2012-01-05 23:27:27Z jhyde $<a name="line.49"></a>
<span class="sourceLineNo">050</span> * @since Jul 30, 2008<a name="line.50"></a>
<span class="sourceLineNo">051</span> */<a name="line.51"></a>
<span class="sourceLineNo">052</span>public class DrillDownOnPositionTransform extends AxisTransform {<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> // private final int positionOrdinalInAxis;<a name="line.54"></a>
<span class="sourceLineNo">055</span> // private final int memberOrdinalInPosition;<a name="line.55"></a>
<span class="sourceLineNo">056</span> // private final CellSet cellSet;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> private final Position positionToDrill;<a name="line.58"></a>
<span class="sourceLineNo">059</span> private final Member memberToDrill;<a name="line.59"></a>
<span class="sourceLineNo">060</span> private final List<Member> pathToMember;<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> /**<a name="line.62"></a>
<span class="sourceLineNo">063</span> * ctor<a name="line.63"></a>
<span class="sourceLineNo">064</span> *<a name="line.64"></a>
<span class="sourceLineNo">065</span> * @param axis<a name="line.65"></a>
<span class="sourceLineNo">066</span> * @param positionOrdinalInAxis<a name="line.66"></a>
<span class="sourceLineNo">067</span> * @param memberOrdinalInPosition<a name="line.67"></a>
<span class="sourceLineNo">068</span> * @param cellSet<a name="line.68"></a>
<span class="sourceLineNo">069</span> */<a name="line.69"></a>
<span class="sourceLineNo">070</span> public DrillDownOnPositionTransform(<a name="line.70"></a>
<span class="sourceLineNo">071</span> Axis axis,<a name="line.71"></a>
<span class="sourceLineNo">072</span> int positionOrdinalInAxis,<a name="line.72"></a>
<span class="sourceLineNo">073</span> int memberOrdinalInPosition,<a name="line.73"></a>
<span class="sourceLineNo">074</span> CellSet cellSet)<a name="line.74"></a>
<span class="sourceLineNo">075</span> {<a name="line.75"></a>
<span class="sourceLineNo">076</span> super(axis);<a name="line.76"></a>
<span class="sourceLineNo">077</span> // this.positionOrdinalInAxis = positionOrdinalInAxis;<a name="line.77"></a>
<span class="sourceLineNo">078</span> // this.memberOrdinalInPosition = memberOrdinalInPosition;<a name="line.78"></a>
<span class="sourceLineNo">079</span> // this.cellSet = cellSet;<a name="line.79"></a>
<span class="sourceLineNo">080</span><a name="line.80"></a>
<span class="sourceLineNo">081</span> positionToDrill =<a name="line.81"></a>
<span class="sourceLineNo">082</span> TransformUtil.getPositionFromCellSet(<a name="line.82"></a>
<span class="sourceLineNo">083</span> axis, positionOrdinalInAxis, cellSet);<a name="line.83"></a>
<span class="sourceLineNo">084</span> memberToDrill = TransformUtil.getMemberFromCellSet(<a name="line.84"></a>
<span class="sourceLineNo">085</span> axis, positionOrdinalInAxis, memberOrdinalInPosition, cellSet);<a name="line.85"></a>
<span class="sourceLineNo">086</span> pathToMember = TransformUtil.getPathToMember(<a name="line.86"></a>
<span class="sourceLineNo">087</span> positionToDrill,<a name="line.87"></a>
<span class="sourceLineNo">088</span> memberOrdinalInPosition);<a name="line.88"></a>
<span class="sourceLineNo">089</span> }<a name="line.89"></a>
<span class="sourceLineNo">090</span><a name="line.90"></a>
<span class="sourceLineNo">091</span> public String getName() {<a name="line.91"></a>
<span class="sourceLineNo">092</span> return "Drill down a member on a specific position";<a name="line.92"></a>
<span class="sourceLineNo">093</span> }<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> public String getDescription() {<a name="line.95"></a>
<span class="sourceLineNo">096</span> return "Expand a member on a position by adding its children";<a name="line.96"></a>
<span class="sourceLineNo">097</span> }<a name="line.97"></a>
<span class="sourceLineNo">098</span><a name="line.98"></a>
<span class="sourceLineNo">099</span> @Override<a name="line.99"></a>
<span class="sourceLineNo">100</span> protected ParseTreeNode processAxisExp(ParseTreeNode exp) {<a name="line.100"></a>
<span class="sourceLineNo">101</span> // TODO: implement me!<a name="line.101"></a>
<span class="sourceLineNo">102</span><a name="line.102"></a>
<span class="sourceLineNo">103</span> return null;<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> // visitor for a tree of expressions inside a query axis<a name="line.107"></a>
<span class="sourceLineNo">108</span> // (not sure this should go here)<a name="line.108"></a>
<span class="sourceLineNo">109</span> class DrillDownOnPositionVisitor<a name="line.109"></a>
<span class="sourceLineNo">110</span> implements ParseTreeVisitor<ParseTreeNode><a name="line.110"></a>
<span class="sourceLineNo">111</span> {<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span> public ParseTreeNode visit(SelectNode selectNode) {<a name="line.113"></a>
<span class="sourceLineNo">114</span> // TODO Auto-generated method stub<a name="line.114"></a>
<span class="sourceLineNo">115</span> return null;<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span><a name="line.117"></a>
<span class="sourceLineNo">118</span> public ParseTreeNode visit(AxisNode axis) {<a name="line.118"></a>
<span class="sourceLineNo">119</span> // TODO Auto-generated method stub<a name="line.119"></a>
<span class="sourceLineNo">120</span> return null;<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> public ParseTreeNode visit(WithMemberNode calcMemberNode) {<a name="line.123"></a>
<span class="sourceLineNo">124</span> // TODO Auto-generated method stub<a name="line.124"></a>
<span class="sourceLineNo">125</span> return null;<a name="line.125"></a>
<span class="sourceLineNo">126</span> }<a name="line.126"></a>
<span class="sourceLineNo">127</span><a name="line.127"></a>
<span class="sourceLineNo">128</span> public ParseTreeNode visit(WithSetNode calcSetNode) {<a name="line.128"></a>
<span class="sourceLineNo">129</span> // TODO Auto-generated method stub<a name="line.129"></a>
<span class="sourceLineNo">130</span> return null;<a name="line.130"></a>
<span class="sourceLineNo">131</span> }<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span> public ParseTreeNode visit(CallNode call) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> // TODO Auto-generated method stub<a name="line.134"></a>
<span class="sourceLineNo">135</span> return null;<a name="line.135"></a>
<span class="sourceLineNo">136</span> }<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> public ParseTreeNode visit(IdentifierNode id) {<a name="line.138"></a>
<span class="sourceLineNo">139</span> // TODO Auto-generated method stub<a name="line.139"></a>
<span class="sourceLineNo">140</span> return null;<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> public ParseTreeNode visit(ParameterNode parameterNode) {<a name="line.143"></a>
<span class="sourceLineNo">144</span> // TODO Auto-generated method stub<a name="line.144"></a>
<span class="sourceLineNo">145</span> return null;<a name="line.145"></a>
<span class="sourceLineNo">146</span> }<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span> public ParseTreeNode visit(CubeNode cubeNode) {<a name="line.148"></a>
<span class="sourceLineNo">149</span> // TODO Auto-generated method stub<a name="line.149"></a>
<span class="sourceLineNo">150</span> return null;<a name="line.150"></a>
<span class="sourceLineNo">151</span> }<a name="line.151"></a>
<span class="sourceLineNo">152</span><a name="line.152"></a>
<span class="sourceLineNo">153</span> public ParseTreeNode visit(DimensionNode dimensionNode) {<a name="line.153"></a>
<span class="sourceLineNo">154</span> // TODO Auto-generated method stub<a name="line.154"></a>
<span class="sourceLineNo">155</span> return null;<a name="line.155"></a>
<span class="sourceLineNo">156</span> }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> public ParseTreeNode visit(HierarchyNode hierarchyNode) {<a name="line.158"></a>
<span class="sourceLineNo">159</span> // TODO Auto-generated method stub<a name="line.159"></a>
<span class="sourceLineNo">160</span> return null;<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> public ParseTreeNode visit(LevelNode levelNode) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> // TODO Auto-generated method stub<a name="line.164"></a>
<span class="sourceLineNo">165</span> return null;<a name="line.165"></a>
<span class="sourceLineNo">166</span> }<a name="line.166"></a>
<span class="sourceLineNo">167</span><a name="line.167"></a>
<span class="sourceLineNo">168</span> public ParseTreeNode visit(MemberNode memberNode) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> // TODO Auto-generated method stub<a name="line.169"></a>
<span class="sourceLineNo">170</span> return null;<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span> public ParseTreeNode visit(LiteralNode literalNode) {<a name="line.173"></a>
<span class="sourceLineNo">174</span> // TODO Auto-generated method stub<a name="line.174"></a>
<span class="sourceLineNo">175</span> return null;<a name="line.175"></a>
<span class="sourceLineNo">176</span> }<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span> public ParseTreeNode visit(PropertyValueNode propertyValueNode) {<a name="line.178"></a>
<span class="sourceLineNo">179</span> // TODO Auto-generated method stub<a name="line.179"></a>
<span class="sourceLineNo">180</span> return null;<a name="line.180"></a>
<span class="sourceLineNo">181</span> }<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>}<a name="line.184"></a>
<span class="sourceLineNo">185</span><a name="line.185"></a>
<span class="sourceLineNo">186</span>// End DrillDownOnPositionTransform.java<a name="line.186"></a>
</pre>
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