artist.ejb

J2EE的一个开发实例

package music.ejb.db;

import java.util.Collection;
import javax.ejb.*;
import weblogic.ejb.*;

import music.shared.*;

/**
 * @ejbgen:entity default-transaction="Required" prim-key-class="java.lang.Integer"
 *   ejb-name = "Artist"
 *   data-source-name="jdbc/MusicDataSource"
 *   table-name = "artist"
 *   abstract-schema-name = "Artist"
 *
 * @ejbgen:jndi-name
 *   local="ejb/Artist"
 *
 * @ejbgen:file-generation local-class = "True" local-class-name = "ArtistLocal" local-home = "True" local-home-name="ArtistLocalHome" remote-class = "False" remote-home = "False"  remote-home-name = "ArtistRemoteHome" remote-class-name = "ArtistRemote" value-class = "False" value-class-name = "ArtistValue" pk-class = "True"
 *
 * @ejbgen:relation role-name="Artist-has-Albums" cmr-field="albums" target-ejb="Album" multiplicity="One" name="Artist-Album"
 * @ejbgen:relation role-name="Artists-have-Category" fk-column="Category_Id" cmr-field="category" target-ejb="Category" multiplicity="Many" name="Category-Artist"
 * @ejbgen:automatic-key-generation name="id" type="SQLServer2000"
 * @ejbgen:finder ejb-ql="SELECT OBJECT(o) from Artist as o where o.name = ?1" generate-on="Local" signature="Collection findByNameExactly(java.lang.String name)"
 */
abstract public class Artist
  extends GenericEntityBean
  implements EntityBean
{

    /**
     * @ejbgen:cmp-field ordering-number="10" primkey-field="true" column="Id"
     * @ejbgen:local-method
     */
    public abstract Integer getId();

    /**
     */
    public abstract void setId(Integer arg);

    /**
     * @ejbgen:cmp-field column="Name"
     * @ejbgen:local-method
     */
    public abstract String getName();

    /**
     * @ejbgen:local-method
     */
    public abstract void setName(String arg);

    /**
     * @ejbgen:cmp-field column="Gender"
     * @ejbgen:local-method
     */
    public abstract Boolean getGender();

    /**
     * @ejbgen:local-method
     */
    public abstract void setGender(Boolean arg);

    /**
     * @ejbgen:cmp-field column="Description"
     * @ejbgen:local-method
     */
    public abstract String getDescription();

    /**
     * @ejbgen:local-method
     */
    public abstract void setDescription(String arg);

    /**
     * @ejbgen:cmr-field
     * @ejbgen:local-method transaction-attribute="Required"
     */
    public abstract java.util.Collection getAlbums();

    /**
     * @ejbgen:local-method transaction-attribute="Required"
     */
    public abstract void setAlbums(java.util.Collection arg);

    /**
     * @ejbgen:cmr-field
     * @ejbgen:local-method transaction-attribute="Required"
     */
    public abstract CategoryLocal getCategory();

    /**
     * @ejbgen:local-method transaction-attribute="Required"
     */
    public abstract void setCategory(CategoryLocal arg);

    /**
     * @ejbgen:local-method
     */
    public ArtistVO copy()
    {
        return new ArtistVO(getId().intValue(), getName(), getGender(), getDescription());
    }


    public java.lang.Integer ejbCreate(java.lang.String Name, java.lang.Boolean Gender, java.lang.String Description)
    {
      setName(Name);
      setGender(Gender);
      setDescription(Description);

      return null; // FIXME return PK value 
    }

    public void ejbPostCreate(java.lang.String Name, java.lang.Boolean Gender, java.lang.String Description)
    {
    }

    /**
     * @ejbgen:local-method
     */
    public Collection fullPath()
    {
        Collection c = getCategory().fullPath();
        c.add(copy());
        return c;
    }
}