SimpleSessionBean.java

package com.sun.s1asdev.jdbc.notxops.ejb;

import javax.ejb.*;
import javax.naming.*;
import javax.sql.*;
import java.rmi.*;
import java.util.*;
import java.sql.*;
import javax.transaction.UserTransaction;

public class SimpleSessionBean implements SessionBean
{

    private SessionContext ctxt_;
    private InitialContext ic_; 
    public void setSessionContext(SessionContext context) {
        ctxt_ = context;
	try {
	    ic_ = new InitialContext();
	} catch( NamingException ne ) {
	    ne.printStackTrace();
	}
    }

    public void ejbCreate() throws CreateException {
    }

    /**
     * Get connection and do some database updates. Then throw
     * an exception before tx commits and ensure that the updates
     * did not happen
     */
    public boolean test1() throws Exception {
	DataSource ds = (DataSource)ic_.lookup("java:comp/env/DataSource");
	Connection conn1 = null;
	Statement stmt1 = null;
	ResultSet rs1 = null;
	boolean passed = false;

	try {
	    conn1 = ds.getConnection();
	    stmt1 = conn1.createStatement();
	    stmt1.executeQuery( "SELECT * FROM NOTXOPS");
	} catch( SQLException e) {
	    e.printStackTrace();
	    return false;
	} finally {
	    if (stmt1 != null) { 
	        try { stmt1.close(); } catch( Exception e1 ) {}
	    }
	    if (conn1 != null) { 
	        try { conn1.close(); } catch( Exception e1 ) {}
	    }
	}
	
	
	//Now try getting a connection again, but within a transaction
	UserTransaction tx = (UserTransaction) ic_.lookup("java:comp/UserTransaction");
	try {
	    tx.begin();
	    conn1 = ds.getConnection();
	    stmt1 = conn1.createStatement();
	    rs1 = stmt1.executeQuery("SELECT * FROM NOTXOPS"); 
	    tx.commit();
	} catch (Exception e) {
	   e.printStackTrace(); 
	   return false;
	} finally {
	    if (rs1 != null ) {
	        try { rs1.close(); } catch( Exception e1 ) {}
	    }
	    if ( stmt1 != null ) {
	        try { stmt1.close(); } catch( Exception e1) {}    
	    }
	    if ( conn1 != null ) {
	        try { conn1.close(); } catch( Exception e1) {}    
	    }
	}

	return true;
    }
    
    public void ejbLoad() {}
    public void ejbStore() {}
    public void ejbRemove() {}
    public void ejbActivate() {}
    public void ejbPassivate() {}
    public void unsetEntityContext() {}
    public void ejbPostCreate() {}
}