SimpleSessionBean.java

package com.sun.s1asdev.connector.failallconnections.ejb;


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

public class SimpleSessionBean implements SessionBean {

    private EJBContext ejbcontext;
    private transient javax.ejb.SessionContext m_ctx = null;
    transient javax.sql.DataSource ds;
	

    public void setSessionContext(javax.ejb.SessionContext ctx) {
        m_ctx = ctx;
    }

    public void ejbCreate() {}

    public void ejbRemove() {}

    public void ejbActivate() {}

    public void ejbPassivate() {}

    public boolean test1() {
	Connection conn = null;
	Statement stmt = null;
	ResultSet rs = null;

        try {

            InitialContext ctx = new InitialContext();
            ds = (javax.sql.DataSource) ctx.lookup("java:comp/env/DataSource1");
            conn = ds.getConnection();
            stmt = conn.createStatement();
            String query1 = "SELECT * FROM TXLEVELSWITCH";
            rs = stmt.executeQuery(query1);
             
	    if (rs != null ) {
                try { rs.close(); } catch( Exception e1) {}
            }
            if (stmt != null ) {
                try {stmt.close(); } catch( Exception e1) {}
            }
            if (conn != null ) {
                try {conn.close();} catch( Exception e1) {}
            }

            conn = ds.getConnection();
            stmt = conn.createStatement();
            rs = stmt.executeQuery(query1);
             
	    if (rs != null ) {
                try { rs.close(); } catch( Exception e1) {}
            }
            if (stmt != null ) {
                try {stmt.close(); } catch( Exception e1) {}
            }
            if (conn != null ) {
                try {conn.close();} catch( Exception e1) {}
            }

            conn = ds.getConnection();
            stmt = conn.createStatement();
            rs = stmt.executeQuery(query1);
             
	    if (rs != null ) {
                try { rs.close(); } catch( Exception e1) {}
            }
            if (stmt != null ) {
                try {stmt.close(); } catch( Exception e1) {}
            }
            if (conn != null ) {
                try {conn.close();} catch( Exception e1) {}
            }


	    
            return false;	   
        } catch (Exception e) {
	    System.out.println("Caught Exception---");

	    e.printStackTrace();
	    if (e instanceof java.lang.NullPointerException ) {
	        return false;
	    }

	    return true;
        } finally {
            if (rs != null ) {
                try { rs.close(); } catch( Exception e1) {}
            }
            if (stmt != null ) {
                try {stmt.close(); } catch( Exception e1) {}
            }
            if (conn != null ) {
                try {conn.close();} catch( Exception e1) {}
            }
            	
       	}
    }

    public boolean test2() {
	Connection conn = null;
	Statement stmt = null;
	ResultSet rs = null;

	Connection conn2 = null;
	Statement stmt2 = null;
	ResultSet rs2 = null;
        try {

            InitialContext ctx = new InitialContext();
            ds = (javax.sql.DataSource) ctx.lookup("java:comp/env/DataSource1");
            conn = ds.getConnection();
            stmt = conn.createStatement();
            String query1 = "SELECT * FROM TXLEVELSWITCH";
            rs = stmt.executeQuery(query1);
	    
	    conn2 = ds.getConnection();
	    stmt2 = conn2.createStatement();
	    rs2 = stmt2.executeQuery("SELECT * FROM TXLEVELSWITCH");
	  
            return true;	   
        } catch (Exception e) {
	    System.out.println("Caught Exception---");
	    e.printStackTrace();
	    return false;
        } finally {
            if (rs != null ) {
                try { rs.close(); } catch( Exception e1) {}
            }
            if (stmt != null ) {
                try {stmt.close(); } catch( Exception e1) {}
            }
            if (conn != null ) {
                try {conn.close();} catch( Exception e1) {}
            }
            
	    if (rs2 != null ) {
                try { rs2.close(); } catch( Exception e1) {}
            }
            if (stmt2 != null ) {
                try {stmt2.close(); } catch( Exception e1) {}
            }
            if (conn2 != null ) {
                try {conn2.close();} catch( Exception e1) {}
            }

       	}
    }


}