The following code represents a complete sample program written in Java and intended for use with the Tamino API for Java for scenario 1.
import java.io.*;
import com.softwareag.tamino.db.api.connection.*;
import com.softwareag.tamino.db.api.accessor.*;
import com.softwareag.tamino.db.api.objectModel.*;
import com.softwareag.tamino.db.api.response.*;
import com.softwareag.tamino.db.api.common.*;
import com.softwareag.tamino.db.api.objectModel.dom.TDOMObjectModel;
import org.w3c.dom.Element;
/**
* Transaction scenario 01:
* read only access without consistency requirements using a cursor
*/
public class TxScenario01b
{
public static void main(String[] args) throws Exception
{
TConnection connection = null;
String taminoURI = "http://localhost/tamino/myDB";
String collection = "encyclopedia";
try
{
// Establish the Tamino connection (by default in auto-commit mode)
connection = TConnectionFactory.getInstance().newConnection( taminoURI );
// Establish a transaction context and therefore create a session
TLocalTransaction transaction = connection.useLocalTransactionMode();
connection.setIsolationDegree(TIsolationDegree.UNCOMMITTED_DOCUMENT);
// Obtain a TXMLObjectAccessor with a DOM object model
TXMLObjectAccessor accessor =
connection.newXMLObjectAccessor(
TAccessLocation.newInstance( collection ),
TDOMObjectModel.getInstance() );
// Optionally set the lock mode to unprotected to avoid any locks
accessor.setLockMode(TLockMode.UNPROTECTED);
// execute a query
TQuery query =
TQuery.newInstance("/jazzMusician[./instrument=\"trumpet\"]/name/first");
TResponse response = accessor.query(query,5);
// display result
TXMLObjectIterator xmlObjectIterator = response.getXMLObjectIterator();
while (xmlObjectIterator.hasNext()) {
TXMLObject xmlObject = xmlObjectIterator.next();
System.out.println("result: "
+ ((Element)xmlObject.getElement()).getFirstChild().getNodeValue());
}
}
catch (TException e)
{
System.err.println("Tamino Exception caught: " + e);
}
finally
{
if (connection != null) connection.close();
}
}
}
