/*
* Olap_9.java
*
* Copyright 2004-2006 by SAP AG. All Rights Reserved.
* SAP, R/3, mySAP, mySAP.com, xApps, xApp, SAP NetWeaver, and other SAP
* products and services mentioned herein as well as their respective logos
* are trademarks or registered trademarks of SAP AG in Germany and in several
* other countries all over the world. All other product and service names
* mentioned are the trademarks of their respective companies. Data contained
* in this document serves informational purposes only. National product
* specifications may vary.
*
* These materials are subject to change without notice. These materials are
* provided by SAP AG and its affiliated companies ("SAP Group") for
* informational purposes only, without representation or warranty of any kind,
* and SAP Group shall not be liable for errors or omissions with respect to
* the materials. The only warranties for SAP Group products and services are
* those that are set forth in the express warranty statements accompanying
* such products and services, if any. Nothing herein should be construed as
* constituting an additional warranty.
*/
package com.sap.ip.bi.sdk.samples;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.sap.exception.IBaseException;
import com.sap.ip.bi.sdk.dac.connector.IBIConnection;
import com.sap.ip.bi.sdk.dac.connector.IBIOlap;
import com.sap.ip.bi.sdk.dac.olap.query.IBIAllFactory;
import com.sap.ip.bi.sdk.dac.olap.query.IBICommandProcessor;
import com.sap.ip.bi.sdk.dac.olap.query.input.IBIDivision;
import com.sap.ip.bi.sdk.dac.olap.query.main.IBIQuery;
import com.sap.ip.bi.sdk.dac.olap.query.member.IBICalculatedMember;
import com.sap.ip.bi.sdk.samples.servlet.MinimalServletContainer;
/**
* Calculated members -
*
* Creates a calculated measure - cost per item - by dividing the
* total cost by the number of items sold.
*
* View the HTML rendered by this servlet in the following file:
* [SDK archive]/docs/examples/olap_9.result.html
*
* @author SAP
* @version 3.50
* @since 3.50
*/
public class Olap_9 extends HttpServlet {
private static final String CONTENT_TYPE = "text/html";
public void init(ServletConfig config) throws ServletException {
super.init(config);
}
public void doGet(
HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
out.println(Helpers.getDocTypeDefinition());
out.println("<html>");
out.println("<head><title>Olap_9</title>");
out.println(Helpers.getStyleSheetDefinition());
out.println("</head><body>");
try {
// ********************************************************
// Connect to data source
// ********************************************************
IBIConnection connection =
Helpers.connectToXMLADatasource(out);
// ********************************************************
// Retrieve metadata.
// ********************************************************
// Get OLAP interface
IBIOlap olap = connection.getOlap();
Helpers.SampleMetaDataBW sampleMetaData =
Helpers.getSampleMetaDataBW(connection);
// ********************************************************
// Create query and command processor.
// ********************************************************
IBIQuery query = olap.createQuery(sampleMetaData.cube);
IBICommandProcessor commandProcessor =
query.getCommandProcessor();
// move dimension to rows
commandProcessor.moveDimensionToRows(
sampleMetaData.salesOrgDimension);
// measures
commandProcessor.addMember(
sampleMetaData.measuresCostMember);
commandProcessor.addMember(
sampleMetaData.measuresQuantityMember);
Helpers.renderQueryAndDataset(out, query);
// ********************************************************
// Create calculated measure:
// cost per item = cost / quantity.
// ********************************************************
IBIAllFactory factory =
commandProcessor.getQueryFactory().getAllFactory();
IBIDivision costPerItem =
factory.createDivision(
factory.createMemberReference(
sampleMetaData.measuresCostMember),
factory.createMemberReference(
sampleMetaData.measuresQuantityMember));
IBICalculatedMember calculatedMember =
factory.createCalculatedMember(
sampleMetaData.measuresDimension,
costPerItem,
0);
commandProcessor
.getAxisDimension(sampleMetaData.measuresDimension)
.getCalculatedMember()
.add(calculatedMember);
commandProcessor.addMember(calculatedMember);
Helpers.renderQueryAndDataset(out, query);
}
// Catch errors.
catch (Exception e) {
// $JL-EXC$
e.printStackTrace();
if (e instanceof IBaseException)
out.println("Error: " +
((IBaseException)e).getNestedLocalizedMessage());
else
out.println("Error: " + e.getMessage());
}
out.println("</body>");
out.println("</html>");
}
public void destroy() {
}
public static void main(String[] args) {
if (args.length == 1) {
MinimalServletContainer.executeServlet(new Olap_9(), args[0]);
} else {
MinimalServletContainer.executeServlet(new Olap_9(), System.out);
}
}
}