///////////////////////////////////////////////////////////////////////////////
// File     : EJB_POSITIONBean.java
// Creation : 2002.04.29 (generated by ejen 1.0.0)

package org.ejb.test;

import javax.ejb.EntityBean;
import javax.ejb.EntityContext;
import javax.ejb.CreateException;
import javax.ejb.EJBException;
import javax.ejb.ObjectNotFoundException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Vector;
import java.util.Collection;
import javax.naming.InitialContext;
import javax.naming.NamingException;

/**
 * Entity bean class that maps the POSITION table.
 * <br><i>Ejen EJB 1.1 (BMP) demonstration</i>
 * @version 1.0
 * @author (unknown)
 * @see org.ejb.test.POSITIONValues
 * @see org.ejb.test.EJB_POSITIONHome
 * @see org.ejb.test.EJB_POSITION
 * @see org.ejb.test.EJB_POSITION_PK
 * @see org.ejb.test.EJB_TABLEAbstractBean
 */
public class EJB_POSITIONBean extends EJB_TABLEAbstractBean {

    /** INSERT statement used in ejbCreate method (no sequence field, if any) */
    protected static final String SQL_INSERT = "INSERT INTO POSITION (DOCUMENTID,POSITION,PRODUCTID,QUANTITY,PRICE) VALUES (?,?,?,?,?)";
    /** SELECT statement used in ejbLoad method */
    protected static final String SQL_SELECT = "SELECT PRODUCTID,QUANTITY,PRICE FROM POSITION WHERE DOCUMENTID=? AND POSITION=?";
    /** UPDATE statement used in ejbStore method */
    protected static final String SQL_UPDATE = "UPDATE POSITION SET PRODUCTID=?,QUANTITY=?,PRICE=? WHERE DOCUMENTID=? AND POSITION=?";
    /** DELETE statement used in ejbRemove method */
    protected static final String SQL_DELETE = "DELETE FROM POSITION WHERE DOCUMENTID=? AND POSITION=?";
    /** SELECT statement used in ejbFindByPrimaryKey method */
    protected static final String SQL_SELECT_FIND_BY_PRIMARY_KEY = "SELECT DOCUMENTID FROM POSITION WHERE DOCUMENTID=? AND POSITION=?";
    /** SELECT statement used in ejbFindAll method */
    protected static final String SQL_SELECT_FIND_ALL = "SELECT DOCUMENTID,POSITION FROM POSITION";

    /** Full JNDI name of the DataSource */
    protected static final String DATA_SOURCE_JNDI_NAME = "java:/DefaultDS";

    /** Values object variable */
    protected POSITIONValues _values = null;

    /**
     * Default constructor (empty).
     */
    public EJB_POSITIONBean() {}

    /**
     * Returns a values object that contains all POSITION fields
     *         (except primary key fields).
     * @return object values that contains all POSITION fields
     *         (except primary key fields).
     */
    public POSITIONValues getAll() {
        return _values;
    }

    /**
     * Sets a values object that contains all POSITION
     *        fields for update (except primary key fields).
     * @param POSITIONValues values object that contains all
     *        POSITION fields for update (except primary key fields).
     */
    public void setAll(POSITIONValues values) {
        _values = values;
        _dirty = true;
    }

    /**
     * Creates a new POSITION row.
     * @param pk primary key of the new row to be created.
     * @param values a values object that contains values for the
     *        POSITION row to be created.
     * @return remote interface of the created entity bean (that maps the new row).
     * @throws javax.ejb.CreateException row count for INSERT != 1.
     * @throws javax.ejb.EJBException SQL error.
     */
    public EJB_POSITION_PK ejbCreate(EJB_POSITION_PK pk, POSITIONValues values) throws CreateException {
        _values = values;
        Connection conn = null;
        PreparedStatement pstmt = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_INSERT);
            pstmt.setInt(1, pk.getDocumentid());
            pstmt.setInt(2, pk.getPosition());
            pstmt.setInt(3, _values.getProductid());
            pstmt.setInt(4, _values.getQuantity());
            pstmt.setBigDecimal(5, _values.getPrice());
            if (pstmt.executeUpdate() != 1)
                throw new CreateException("Failed to create new POSITION row");
            return pk;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Post-creation method (empty).
     * @param pk primary key of the new row to be created.
     * @param values a values object that contains values for the newly
     *        created POSITION row.
     */
    public void ejbPostCreate(EJB_POSITION_PK pk, POSITIONValues values) {}

    /**
     * Loads a POSITION row.
     * @throws javax.ejb.EJBException SQL error or empty ResultSet.
     */
    public void ejbLoad() {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        EJB_POSITION_PK pk = (EJB_POSITION_PK)(_entityContext.getPrimaryKey());
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT);
            pstmt.setInt(1, pk.getDocumentid());
            pstmt.setInt(2, pk.getPosition());
            rs = pstmt.executeQuery();
            if (!rs.next())
                throw new EJBException("Failed to load POSITION row with pk:" + pk);
            if (_values == null)
                _values = new POSITIONValues(rs.getInt(1), rs.getInt(2), rs.getBigDecimal(3));
            else {
                _values.setProductid(rs.getInt(1));
                _values.setQuantity(rs.getInt(2));
                _values.setPrice(rs.getBigDecimal(3));
            }
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Updates a POSITION row.
     * @throws javax.ejb.EJBException SQL error or row count for UPDATE != 1.
     */
    public void ejbStore() {
        if (!_dirty)
            return;
        Connection conn = null;
        PreparedStatement pstmt = null;
        EJB_POSITION_PK pk = (EJB_POSITION_PK)(_entityContext.getPrimaryKey());
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_UPDATE);
            pstmt.setInt(1, _values.getProductid());
            pstmt.setInt(2, _values.getQuantity());
            pstmt.setBigDecimal(3, _values.getPrice());
            pstmt.setInt(4, pk.getDocumentid());
            pstmt.setInt(5, pk.getPosition());
            if (pstmt.executeUpdate() != 1)
                throw new EJBException("Failed to update POSITION row with pk:" + pk);
            _dirty = false;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Deletes a POSITION row.
     * @throws javax.ejb.EJBException SQL error or row count for DELETE != 1.
     */
    public void ejbRemove() {
        Connection conn = null;
        PreparedStatement pstmt = null;
        EJB_POSITION_PK pk = (EJB_POSITION_PK)(_entityContext.getPrimaryKey());
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_DELETE);
            pstmt.setInt(1, pk.getDocumentid());
            pstmt.setInt(2, pk.getPosition());
            if (pstmt.executeUpdate() != 1)
                throw new EJBException("Failed to delete POSITION row with pk:" + pk);
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds a single row, provided a primary key.
     * @param pk the primary key that indentifies the row to retrieve.
     * @return the primary key (same as parameter pk).
     * @throws javax.ejb.ObjectNotFoundException no row with this primary key.
     * @throws javax.ejb.EJBException SQL error.
     */
    public EJB_POSITION_PK ejbFindByPrimaryKey(EJB_POSITION_PK pk) throws ObjectNotFoundException {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_BY_PRIMARY_KEY);
            pstmt.setInt(1, pk.getDocumentid());
            pstmt.setInt(2, pk.getPosition());
            rs = pstmt.executeQuery();
            if (!rs.next())
                throw new ObjectNotFoundException("No POSITION row with pk:" + pk);
            return pk;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds rows by documentid.
     * @param documentid value of the DOCUMENTID column.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindByDocumentid(int documentid) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL + " WHERE DOCUMENTID=?");
            pstmt.setInt(1, documentid);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds rows by position.
     * @param position value of the POSITION column.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindByPosition(int position) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL + " WHERE POSITION=?");
            pstmt.setInt(1, position);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds rows by productid.
     * @param productid value of the PRODUCTID column.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindByProductid(int productid) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL + " WHERE PRODUCTID=?");
            pstmt.setInt(1, productid);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds rows by quantity.
     * @param quantity value of the QUANTITY column.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindByQuantity(int quantity) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL + " WHERE QUANTITY=?");
            pstmt.setInt(1, quantity);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds rows by price.
     * @param price value of the PRICE column.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindByPrice(java.math.BigDecimal price) {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL + " WHERE PRICE=?");
            pstmt.setBigDecimal(1, price);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Finds all rows in the POSITION table.
     * @return primary keys collection of the founded rows.
     * @throws javax.ejb.EJBException SQL error.
     */
    public Collection ejbFindAll() {
        Connection conn = null;
        PreparedStatement pstmt = null;
        ResultSet rs = null;
        try {
            conn = _dataSource.getConnection();
            pstmt = conn.prepareStatement(SQL_SELECT_FIND_ALL);
            rs = pstmt.executeQuery();
            Vector v = new Vector(128);
            while (rs.next())
                v.addElement(new EJB_POSITION_PK(rs.getInt(1), rs.getInt(2)));
            return v;
        } catch(SQLException e) {
            throw new EJBException(e);
        } finally {
            try { if (rs != null) rs.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (pstmt != null) pstmt.close(); } catch (SQLException e) { e.printStackTrace(); }
            try { if (conn != null) conn.close(); } catch (SQLException e) { e.printStackTrace(); }
        }
    }

    /**
     * Returns the full DataSource JNDI name.
     * @return the JNDI name.
     */
    protected String getDataSourceJNDIName() {
        return DATA_SOURCE_JNDI_NAME;
    }
}

EJB_POSITIONBean.html (HTML view generated by ejen v.1.0.0).