我需要阅读Webi报告具有表和列的元数据信息。我能够读取一些Webi报告元数据信息,但是对于组合和联合Webi报告,我无法读取任何元数据数据信息,对于此类报告,查询为null。
任何人都可以让我知道如何读取元数据吗?
代码:
String query="SELECT * FROM CI_INFOOBJECTS WHERE SI_KIND in('WEBI') AND SI_INSTANCE = 0 AND SI_ANCESTOR = 23";
sessionMgr = CrystalEnterprise.getSessionMgr();
enterpriseSession = sessionMgr.logon(username,password,ip,"secEnterprise");
reportEngines = (ReportEngines) enterpriseSession.getService("ReportEngines");
ReportEngine wiRepEngine(ReportEngine)reportEngines.getService(
ReportEngines.ReportEngineType.WI_REPORT_ENGINE);
IInfoStore infoStore = (IInfoStore) enterpriseSession.getService("InfoStore");
IInfoObjects infoObjects = (IInfoObjects) infoStore.query(query);
System.out.println(infoObjects.size());
for (int i =0; i<infoObjects.size(); i++)
{
IInfoObject report = (IInfoObject)infoObjects.get(i);
widoc = wiRepEngine.openDocument(report.getID());
providers = (DataProviders) widoc.getDataProviders();
for(int prov=0; prov<providers.getCount(); prov++)
{
DataProvider providername = providers.getItem(0);
DataSource datasource= providername.getDataSource();
String universename=datasource.getName();
Query providetgetQuery=providername.getQuery();
System.out.println("Query:-"+providername.getQuery());
for(int k=0; k<providetgetQuery.getResultObjectCount(); k++)
{
providerQueryChild=providetgetQuery.getResultObject(k);
System.out.println("Columns:-"+providerQueryChild);
TreeNode providerQueryparent=providerQueryChild.getParent();
System.out.println("Tables:-"+providerQueryparent);
}
}
}
在BO 3.1中:
代替:
Query providetgetQuery=providername.getQuery();
尝试此:
Query providetgetQuery;
if (providername.hasCombinedQueries()) {
providetgetQuery = (Query) providername.getCombinedQueries().getQueryNodeAt(0);
} else {
providetgetQuery = providername.getQuery();
}
在BO 4.0中:
目前,Report SDK的这一部分不可用。查看可用的内容:http://help.sap.com/businessobject/product_guides/boexir4/en/xi4_rebean_omd.pdf