/* * 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.rmi.RemoteException; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.Collection; import javax.ejb.CreateException; import javax.ejb.EJBException; import javax.ejb.EntityBean; import javax.ejb.EntityContext; import javax.ejb.FinderException; import javax.ejb.NoSuchEntityException; import javax.ejb.ObjectNotFoundException; import javax.sql.DataSource; import javax.naming.InitialContext; import java.util.ArrayList; import java.sql.SQLException; import org.jboss.logging.Logger; /** * Describe class <code>AccountBean</code> here. * * @author <a href="mailto:d_jencks@users.sourceforge.net">David Jencks</a> * @version 1.0 * @ejb:bean name="Account" * jndi-name="Account" * local-jndi-name="LocalAccount" * view-type="both" * type="BMP" * primkey-field="id" * @ejb:pk class="java.lang.Integer" */ public class AccountBean implements EntityBean { private Connection c; private Integer id; private int balance; private Integer customerId; private EntityContext ctx; /** * Abstract cmp2 field get-set pair for field id * Get the value of id * @return value of id * * @ejb:interface-method */ public Integer getId() { return id; } /** * Set the value of id * @param id Value to assign to id * * @ejb:interface-method */ public void setId(final Integer id) { this.id = id; } /** * field get-set pair for field balance * Get the value of balance * @return value of balance * * @ejb:interface-method */ public int getBalance() { return balance; } /** * Set the value of balance * @param balance Value to assign to balance * * @ejb:interface-method */ public void setBalance(final int balance) { this.balance = balance; } /** * field get-set pair for field customerId * Get the value of customerId * @return value of customerId * * @ejb:interface-method */ public Integer getCustomerId() { return customerId; } /** * Set the value of customerId * @param customerId Value to assign to customerId * * @ejb:interface-method */ public void setCustomerId(final Integer customerId) { this.customerId = customerId; } /** * Describe <code>deposit</code> method here. * * @param amount an <code>int</code> value * @ejb:interface-method */ public void deposit(int amount) { setBalance(getBalance()+amount); } /** * Describe <code>withdraw</code> method here. * * @param amount an <code>int</code> value * @ejb:interface-method */ public void withdraw(int amount) { setBalance(getBalance()-amount); } //ENTITY methods /** * Describe <code>ejbCreate</code> method here. * * @param id an <code>Integer</code> value * @param balance an <code>int</code> value * @param customerId an <code>Integer</code> value * @return an <code>Integer</code> value * @ejb:create-method */ public Integer ejbCreate(final Integer id, final int balance, final Integer customerId) throws CreateException { setId(id); setBalance(balance); setCustomerId(customerId); PreparedStatement ps = null; try { ps = getConnection().prepareStatement("INSERT INTO CCBMPACCOUNT (ID, BALANCE, CUSTOMERID) VALUES (?, ?, ?)"); ps.setInt(1, id.intValue()); ps.setInt(2, balance); ps.setObject(3, customerId); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in ejbCreate", e); throw new CreateException("Can't insert: " + e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally return id; } public void ejbPostCreate(final Integer id, final int balance, final Integer customerId) { } /** * Describe <code>ejbFindByPrimaryKey</code> method here. * * @param id an <code>Integer</code> value * @return an <code>Integer</code> value * @exception FinderException if an error occurs * @ejb:finder */ public Integer ejbFindByPrimaryKey(final Integer id) throws FinderException { PreparedStatement ps = null; try { ps = getConnection().prepareStatement("SELECT ID FROM CCBMPACCOUNT WHERE ID = ?"); ps.setInt(1, id.intValue()); ResultSet rs = ps.executeQuery(); if (!rs.next()) { throw new ObjectNotFoundException("No such account: " + id); } // end of if () rs.close(); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in findByPK", e); throw new EJBException("Problem in findByPrimaryKey: " + e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally return id; } /** * Describe <code>ejbFindByCustomerId</code> method here. * * @param customerId an <code>Integer</code> value * @return a <code>Collection</code> value * @ejb:finder-method */ public Collection ejbFindByCustomerId(final Integer customerId) { PreparedStatement ps = null; try { ps = getConnection().prepareStatement("SELECT ID FROM CCBMPACCOUNT WHERE CUSTOMERID = ?"); ps.setInt(1, customerId.intValue()); ResultSet rs = ps.executeQuery(); Collection result = new ArrayList(); while (rs.next()) { result.add(new Integer(rs.getInt(1))); } // end of if () rs.close(); return result; } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in findbyCustomerID", e); throw new EJBException(e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally } public void ejbActivate() { } public void ejbPassivate() { if (c != null) { try { c.close(); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing c: " + e); } // end of try-catch c = null; } // end of if () } public void ejbLoad() { id = (Integer) ctx.getPrimaryKey(); if (id == null) { Logger.getLogger(getClass().getName()).info("null id!"); } // end of if () PreparedStatement ps = null; try { ps = getConnection().prepareStatement("SELECT BALANCE, CUSTOMERID FROM CCBMPACCOUNT WHERE ID = ?"); if (ps == null) { Logger.getLogger(getClass().getName()).info("WFT? null ps!"); } // end of if () ps.setInt(1, id.intValue()); ResultSet rs = ps.executeQuery(); if (rs.next() == false) throw new NoSuchEntityException("Account does not exist " + id.toString()); this.balance = rs.getInt(1); this.customerId = (Integer)rs.getObject(2); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in ejbLoad", e); throw new EJBException(e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally } public void ejbStore() { PreparedStatement ps = null; try { ps = getConnection().prepareStatement("UPDATE CCBMPACCOUNT SET BALANCE = ?, CUSTOMERID = ? WHERE ID = ?"); ps.setInt(1, balance); ps.setObject(2, customerId); ps.setInt(3, id.intValue()); ps.execute(); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in ejbStore", e); throw new EJBException(e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally } public void ejbRemove() { PreparedStatement ps = null; try { ps = getConnection().prepareStatement("DELETE FROM CCBMPACCOUNT WHERE ID = ?"); ps.setInt(1, id.intValue()); ps.execute(); } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception in ejbRemove", e); throw new EJBException(e); } // end of try-catch finally { try { if (ps != null) {ps.close();} } catch (Exception e) { Logger.getLogger(getClass().getName()).info("Exception closing ps: " + e); } // end of try-catch } // end of finally } public void setEntityContext(EntityContext ctx) { this.ctx = ctx; } public void unsetEntityContext() { ctx = null; } private Connection getConnection() throws Exception { if (c == null) { DataSource ds = (DataSource)new InitialContext().lookup("java:/DefaultDS"); c = ds.getConnection(); } // end of if () return c; } }