public String returnExecuteQueryStringsAsString(String xquery) throws PersistanceException {
Connection conn = null;
Statement statement = null;
ResultSet resultSet = null;
List list = new ArrayList(5);
StringBuffer buf = new StringBuffer();
try {
conn = TLConnectionPool.getTLConnectionPool().borrowConnection();
statement = conn.createStatement();
statement.setQueryOption(QueryOption.XMLSPACE, "preserve");
resultSet = statement.execute(xquery);
while (resultSet.next()) {
String s = resultSet.getString();
// list.add(resultSet.getString());
buf.append(s);
System.out.println("--------TLQR --------->>> " + s);
}
} catch (Exception ex) {
ex.printStackTrace();
throw new PersistanceException(ex);
} finally {
try {
if (resultSet != null) resultSet.close();
if (statement != null) statement.close();
TLConnectionPool.getTLConnectionPool().returnConnection(conn);
} catch (Exception ex) {
}
}
return buf.toString();
}
/**
* Returns numbers of documents inside specified collection
*
* @param colName
*/
public int executeCountQuery(String dataBaseName, String colName) throws PersistanceException {
ResultSet resultSet = null;
Connection conn = null;
Statement statement = null;
int i = 0;
try {
conn = TLConnectionPool.getTLConnectionPool().borrowConnection();
statement = conn.createStatement();
statement.setQueryOption(QueryOption.XMLSPACE, "preserve");
String xquery = "count( collection('tig:///" + dataBaseName + "/" + colName + "') )";
resultSet = statement.execute(xquery);
// we need to call next before taking
// out any result from result set
while (resultSet.next()) {
i = resultSet.getInt();
}
} catch (Exception ex) {
ex.printStackTrace();
throw new PersistanceException(ex);
} finally {
try {
if (resultSet != null) resultSet.close();
if (statement != null) statement.close();
TLConnectionPool.getTLConnectionPool().returnConnection(conn);
} catch (Exception e) {
}
}
return i;
}
/**
* Run the query aganist TL and return result as list of strings.
*
* @param xquery
* @return
* @throws PersistanceException
*/
public List returnExecuteQueryStrings(String xquery) throws PersistanceException {
Connection conn = null;
Statement statement = null;
ResultSet resultSet = null;
List list = new ArrayList(5);
try {
conn = TLConnectionPool.getTLConnectionPool().borrowConnection();
statement = conn.createStatement();
statement.setQueryOption(QueryOption.XMLSPACE, "preserve");
resultSet = statement.execute(xquery);
while (resultSet.next()) {
list.add(resultSet.getString());
}
} catch (Exception ex) {
ex.printStackTrace();
throw new PersistanceException(ex);
} finally {
try {
if (resultSet != null) resultSet.close();
if (statement != null) statement.close();
TLConnectionPool.getTLConnectionPool().returnConnection(conn);
} catch (Exception ex) {
}
}
return list;
}
/**
* Returns result as a list of inputstreams.
*
* @param xquery
*/
public List executeQuery(String xquery) throws PersistanceException {
InputStream stream = null;
ResultSet resultSet = null;
Connection conn = null;
Statement statement = null;
byte[] data = null;
List arrayList = new ArrayList();
System.out.println(" runQuery : " + xquery);
try {
conn = TLConnectionPool.getTLConnectionPool().borrowConnection();
statement = conn.createStatement();
statement.setQueryOption(QueryOption.XMLSPACE, "preserve");
resultSet = statement.execute(xquery);
// we need to call next before taking
// out any result from result set
while (resultSet.next()) {
data = StreamHelper.copy(resultSet.getStream());
stream = new ByteArrayInputStream(data);
arrayList.add(stream);
}
} catch (Exception ex) {
ex.printStackTrace();
throw new PersistanceException(ex);
} finally {
try {
if (resultSet != null) resultSet.close();
if (statement != null) statement.close();
TLConnectionPool.getTLConnectionPool().returnConnection(conn);
} catch (Exception ex) {
}
}
return arrayList;
}