本文整理匯總了Java中org.openrdf.repository.RepositoryConnection.prepareQuery方法的典型用法代碼示例。如果您正苦於以下問題:Java RepositoryConnection.prepareQuery方法的具體用法?Java RepositoryConnection.prepareQuery怎麽用?Java RepositoryConnection.prepareQuery使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.openrdf.repository.RepositoryConnection
的用法示例。
在下文中一共展示了RepositoryConnection.prepareQuery方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: evaluate
import org.openrdf.repository.RepositoryConnection; //導入方法依賴的package包/類
public List<List<Object>> evaluate(String queries) throws Exception {
List<List<Object>> report = new ArrayList<List<Object>>();
List<String> qnames = Arrays.asList(queries.split(" "));
for (String curQueryName : qnames)
{
List<Object> reportRow = new ArrayList<Object>();
report.add(reportRow);
String curQuery = qp.getQuery(curQueryName);
reportRow.add(curQueryName);
long startTime = System.currentTimeMillis();
//ParsedOperation pO = QueryParserUtil.parseOperation(QueryLanguage.SPARQL, curQuery, null);
RepositoryConnection repCon = this.repository.getConnection();
try {
Query tempq = repCon.prepareQuery(QueryLanguage.SPARQL, curQuery);
TupleQuery q = (TupleQuery)tempq;
SyncTupleQueryResultHandler rhandler = new SyncTupleQueryResultHandler();
q.evaluate(rhandler);
long runTime = System.currentTimeMillis() - startTime;
reportRow.add((Long)rhandler.resultCount); reportRow.add((Long)runTime);
log.info(curQueryName + ": Query exection time (msec): "+ runTime + ", Total Number of Records: " + rhandler.resultCount);
} catch (Exception e) {
reportRow.add(null); reportRow.add(null);
} finally {
repCon.close();
}
}
return report;
}