SimpleSession2Bean.java

package com.sun.s1asdev.jdbc.connsharing.xa.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 SimpleSession2Bean 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 inserts. Then call another
     * EJB's method in the same transaction and change the inserted value.
     * Since all this is in the same tx, the other bean's method should 
     * get the same connection (physical) and hence be able to see the
     * inserted value even though the tx has not committed yet.
     * The idea is to test connection sharing
     */
    public boolean test1(String newVal, int key) throws Exception {
	DataSource ds = (DataSource)ic_.lookup("java:comp/env/DataSource2");
	Connection conn1 = null;
	Statement stmt1 = null;
	boolean passed = false;

	try {
	    conn1 = ds.getConnection();
	    stmt1 = conn1.createStatement();
	    stmt1.executeUpdate( "UPDATE CONNSHARING SET c_phone = '"+ newVal +"' WHERE" +
	        " c_id = " + key);
            
            return true;
	} 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 ) {}
	    }
	}
    }
    
    public void ejbLoad() {}
    public void ejbStore() {}
    public void ejbRemove() {}
    public void ejbActivate() {}
    public void ejbPassivate() {}
    public void unsetEntityContext() {}
    public void ejbPostCreate() {}
}