package com.titan.customer;


import javax.ejb.EntityContext;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.ResultSet;
import javax.ejb.CreateException;
import javax.naming.InitialContext;
import java.sql.SQLException;
import java.sql.Date;

public abstract class CreditCardBean implements javax.ejb.EntityBean
{

    public Integer ejbCreate
                         ( java.sql.Date exp, String numb, String name, String org) throws CreateException
    {
		System.out.println("ejbCreate");

         setId( getNextUniqueKey() );
		 setExpirationDate(exp);
         setNumber(numb);
         setNameOnCard(name);
         setCreditOrganization(org);
         return null;
    }

    public void ejbPostCreate
                     (java.sql.Date exp, String numb, String name, String org) throws CreateException{
		System.out.println("ejbPostCreate");
    }

	// relationship fields

    public abstract CustomerLocal getCustomer( );
    public abstract void setCustomer(CustomerLocal cust);

    // persistent fields


	public abstract Integer getId();
	public abstract void setId(Integer id);
    public abstract java.sql.Date getExpirationDate();
    public abstract void setExpirationDate(java.sql.Date date);
    public abstract String getNumber();
    public abstract void setNumber(String number);
    public abstract String getNameOnCard();
    public abstract void setNameOnCard(String name);
    public abstract String getCreditOrganization();
    public abstract void setCreditOrganization(String org);

    // standard call back methods

    public void setEntityContext(EntityContext ec){}
    public void unsetEntityContext(){}
    public void ejbLoad(){}
    public void ejbStore(){}
    public void ejbActivate(){}
    public void ejbPassivate(){}
    public void ejbRemove(){}

    private Integer getNextUniqueKey()
    {

            Connection conn = null;
            Statement stmt = null;
            Statement stmt2 = null;
            ResultSet rs = null;
            boolean rowspresent = false;
            int sequenceID = 0;
            Integer myId = null;

            try
            {
	            InitialContext aContext = new InitialContext();
                javax.sql.DataSource aDatasource = (javax.sql.DataSource)aContext.lookup("jdbc/TitanUID");
                conn = aDatasource.getConnection();
                System.out.println("Obtained a database connection to Cloudscape");

                stmt = conn.createStatement();
                StringBuffer aString = new StringBuffer();
                aString.append("select ").append("\"").append("CurrentValue");
                aString.append("\"").append(" from ").append("\"").append("SequenceTable");
                aString.append("\"").append(" where").append("\"").append("SequenceName");
                aString.append("\"").append("like").append("'CreditCard'"); //.append(" for Update");
                System.out.println(aString);
                rs = stmt.executeQuery(aString.toString());
                if (rs != null)
                {
                    while (rs.next())
                    {
                        sequenceID =rs.getInt(1);
                    }
                }

                myId = new Integer(sequenceID);
                sequenceID++;
                StringBuffer aString2 = new StringBuffer("update \"SequenceTable\" set \"CurrentValue\"="+sequenceID+" where \"SequenceName\"='CreditCard'");
                stmt2 = conn.createStatement();
                System.out.println(aString2);
                stmt2.execute(aString2.toString());
            }
            catch( Exception ex)
            {
                System.out.println("In the catch clause of CreditCardBean");
                ex.printStackTrace();
            }
        finally
            {
                try
                {
                    stmt.close();
                    stmt2.close();
                    conn.close();
                }
                catch( Exception ex)
                {
                    System.out.println("In the catch clause of finally section of CreditCardBean");
                    ex.printStackTrace();
                }
            }


            return myId;
        }

}