customertrackingtype.java

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import java.util.*;

import org.jlf.log.*;
import org.jlf.dataMap.*;

/**
 * This class holds the different types of CustomerTrackedRecording
 * relationships in the system.  One instance of this class
 * corresponds to one row in the CUSTOMER_TRACKING_TYPE table.
 */
public class CustomerTrackingType extends CachedObject {

  // --------------------------------------------------------------
  // Section 1: DataMappedObject descriptors
  // --------------------------------------------------------------

  // Constants for attributes
  public static final String ID_ATTRIBUTE = "TRACKING_TYPE_ID";
  public static final String DESCRIPTION_ATTRIBUTE = "DESCRIPTION";

  /**
   * Sets up a table of attribute descriptors for the
   * object.
   */
  protected Hashtable basicGetAttributeDescriptors() {

    // Always call the superclass!
    Hashtable descriptors = super.basicGetAttributeDescriptors();
    DataAttributeDescriptor descriptor;

    // Then add recording-specific attributes
    descriptor = new DataAttributeDescriptor(ID_ATTRIBUTE, 
                                             LongAttribute.class, true);
    descriptor.setIsKeyField(true);
    descriptors.put(ID_ATTRIBUTE, descriptor);

    descriptor = new DataAttributeDescriptor(DESCRIPTION_ATTRIBUTE, 
                                             StringAttribute.class, false);
    descriptor.setMaximumLength(50);
    descriptors.put(DESCRIPTION_ATTRIBUTE, descriptor);

    return descriptors;
  } 

  /**
   * Default constructor must be public for the data mapping
   * framework!  However, when creating a new object, look to use
   * a paramterized constructor.
   */
  public CustomerTrackingType() {}

  // --------------------------------------------------------------
  // Section 2: Java Bean methods
  // --------------------------------------------------------------

  /**
   * Retrieves the database id of the object.
   */
  public long getCustomerTrackingTypeId() {
    return getLongAttribute(ID_ATTRIBUTE);
  } 

  /**
   * Retrieves the description of the type.
   */
  public String getDescription() {
    return getStringAttribute(DESCRIPTION_ATTRIBUTE);
  } 

  // --------------------------------------------------------------
  // Section 3: Convenience accessors for types
  // --------------------------------------------------------------
  public static final long CUSTOMER_PURCHASE_ID = 1;

  /**
   * This is a convenience accessor for tracking customer
   * purchases of recordings.
   */
  public static final CustomerTrackingType CUSTOMER_PURCHASE = 
    CustomerTrackingType.findById(CUSTOMER_PURCHASE_ID);

  public static final long CUSTOMER_INTEREST_ID = 2;

  /**
   * This is a convenience accessor for tracking customer
   * interests of recordings.
   */
  public static final CustomerTrackingType CUSTOMER_INTEREST = 
    CustomerTrackingType.findById(CUSTOMER_INTEREST_ID);

  /**
   * Tries to find a CustomerTrackingType by its primary key, its id.
   * Returns the CustomerTrackingType if found in the database, null if not.
   */
  public static CustomerTrackingType findById(long id) {
    CustomerTrackingType customerTrackingType = new CustomerTrackingType();
    customerTrackingType.setAttributeValue(ID_ATTRIBUTE, new Long(id));
    return (CustomerTrackingType) customerTrackingType.findByPrimaryKey();
  } 

}