/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.test.jca.bank.ejb;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.*;
import javax.ejb.EJBException;
import javax.ejb.SessionBean;
import javax.ejb.SessionContext;
import javax.naming.InitialContext;
import javax.sql.DataSource;
import org.jboss.logging.Logger;
import org.jboss.test.jca.bank.interfaces.Account;
import org.jboss.test.jca.bank.interfaces.AccountHome;
import org.jboss.test.jca.bank.interfaces.AccountLocal;
import org.jboss.test.jca.bank.interfaces.AccountLocalHome;
/**
* Describe class <code>TellerBean</code> here.
* The equals and hashCode methods have been overridden to test bug 595738,
* a problem with CachedConnectionManager if it directly puts objects in a hashmap.
*
* @author <a href="mailto:d_jencks@users.sourceforge.net">David Jencks</a>
* @version 1.0
*
* @ejb:bean name="Teller"
* jndi-name="Teller"
* local-jndi-name="LocalTellerBean"
* view-type="both"
* type="Stateless"
*/
public class TellerBean
implements SessionBean
{
static int invocations;
private Connection c;
/**
* Describe <code>setUp</code> method here.
*
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public void setUp()
{
try
{
tearDown();
}
catch (Exception e)
{
//ignore
} // end of try-catch
try
{
Statement s = getConnection().createStatement();
s.execute("CREATE TABLE CCBMPCUSTOMER (ID INTEGER NOT NULL PRIMARY KEY, NAME VARCHAR(64))");
s.execute("CREATE TABLE CCBMPACCOUNT (ID INTEGER NOT NULL PRIMARY KEY, BALANCE INTEGER NOT NULL, CUSTOMERID INTEGER)");
s.close();
}
catch (Exception e)
{
throw new EJBException(e);
} // end of try-catch
}
/**
* Describe <code>tearDown</code> method here.
*
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public void tearDown()
{
try
{
Statement s = getConnection().createStatement();
s.execute("DROP TABLE CCBMPCUSTOMER");
s.execute("DROP TABLE CCBMPACCOUNT");
s.close();
}
catch (Exception e)
{
throw new EJBException(e);
} // end of try-catch
}
/**
* This <code>equals</code> method tests whether the CachedConnectionManager deals
* properly with ejbs that override equals and hashCode. See bug 595738
*
* @param other an <code>Object</code> value
* @return a <code>boolean</code> value
*/
public boolean equals(Object other)
{
return other.getClass() == this.getClass();
}
public int hashCode()
{
return 1;
}
/**
* Describe <code>transfer</code> method here.
*
* @param from an <code>Account</code> value
* @param to an <code>Account</code> value
* @param amount a <code>float</code> value
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public void transfer(Account from, Account to, int amount)
{
try
{
Logger.getLogger(TellerBean.class.getName()).info("Invocation #"+invocations++);
from.withdraw(amount);
to.deposit(amount);
} catch (Exception e)
{
throw new EJBException("Could not transfer "+amount+" from "+from+" to "+to, e);
}
}
/**
* Describe <code>createAccount</code> method here.
*
* @param id a <code>Integer</code> value, id of account
* @return an <code>Account</code> value
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public Account createAccount(Integer id)
{
try
{
AccountHome home = (AccountHome)new InitialContext().lookup("Account");
Account acct = home.create(id, 0, null);
return acct;
} catch (Exception e)
{
throw new EJBException("Could not create account", e);
}
}
/**
* Describe <code>getAccountBalance</code> method here.
*
* @param id a <code>integer</code> value, id of account
* @return an <code>int</code> value, balbance of account
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public int getAccountBalance(Integer id)
{
try
{
AccountLocalHome home = (AccountLocalHome)new InitialContext().lookup("AccountLocal");
AccountLocal a = home.findByPrimaryKey(id);
return a.getBalance();
} catch (Exception e)
{
Logger.getLogger(getClass().getName()).info("getAccountBalance failed", e);
throw new EJBException("Could not get account for id " + id, e);
}
}
/**
* Describe <code>transferTest</code> method here.
*
* @param from an <code>AccountLocal</code> value
* @param to an <code>AccountLocal</code> value
* @param amount a <code>float</code> value
* @param iter an <code>int</code> value
* @exception java.rmi.RemoteException if an error occurs
* @exception EJBException if an error occurs
* @ejb:interface-method
*/
public void transferTest(AccountLocal from, AccountLocal to, int amount, int iter)
{
for (int i = 0; i < iter; i++)
{
from.withdraw(amount);
to.deposit(amount);
}
}
public void ejbCreate()
{
}
public void ejbActivate()
{
}
public void ejbPassivate()
{
if (c != null)
{
try
{
c.close();
}
catch (SQLException e)
{
Logger.getLogger(getClass().getName()).info("SQLException closing c: " + e);
} // end of try-catch
c = null;
} // end of if ()
}
public void ejbRemove()
{
}
public void setSessionContext(SessionContext ctx)
{
}
public void unsetSessionContext()
{
}
private Connection getConnection() throws Exception
{
if (c == null)
{
DataSource ds = (DataSource)new InitialContext().lookup("java:/DefaultDS");
c = ds.getConnection();
} // end of if ()
return c;
}
}