volumecustomer.java

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import java.util.*;

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

/**
 * This class is an abstract class used to hold
 * information for a volume customer
 * to give discounts in reward for their loyalty.
 */
public abstract class VolumeCustomer extends Customer {

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

  // Constants for attributes
  public static final String NAME_ATTRIBUTE = "NAME";
  public static final String ADDRESS_ATTRIBUTE = "ADDRESS";
  public static final String CITY_ATTRIBUTE = "CITY";
  public static final String STATE_ATTRIBUTE = "STATE";
  public static final String ZIP_CODE_ATTRIBUTE = "ZIPCODE";

  /**
   * Adds attribute descriptors for the current class.
   */
  protected Hashtable basicGetAttributeDescriptors() {

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

    // Then add class-specific attributes
    descriptor = new DataAttributeDescriptor(NAME_ATTRIBUTE, 
                                             StringAttribute.class, false);
    descriptor.setMaximumLength(50);
    descriptors.put(NAME_ATTRIBUTE, descriptor);

    descriptor = new DataAttributeDescriptor(ADDRESS_ATTRIBUTE, 
                                             StringAttribute.class, true);
    descriptor.setMaximumLength(50);
    descriptors.put(ADDRESS_ATTRIBUTE, descriptor);

    descriptor = new DataAttributeDescriptor(CITY_ATTRIBUTE, 
                                             StringAttribute.class, true);
    descriptor.setMaximumLength(20);
    descriptors.put(CITY_ATTRIBUTE, descriptor);

    descriptor = new DataAttributeDescriptor(STATE_ATTRIBUTE, 
                                             StringAttribute.class, true);
    descriptor.setMaximumLength(2);
    descriptors.put(STATE_ATTRIBUTE, descriptor);

    descriptor = new DataAttributeDescriptor(ZIP_CODE_ATTRIBUTE, 
                                             StringAttribute.class, true);
    descriptor.setMaximumLength(10);
    descriptors.put(ZIP_CODE_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 VolumeCustomer() {}

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

  /**
   * Main constructor for the class.  Populates all
   * attributes of the class.
   */
  public VolumeCustomer(String nickname, String emailAddress, String name, 
                        String address, String city, String state, 
                        String zipcode) {
    super(nickname, emailAddress);
    setName(name);
    setAddress(address);
    setCity(city);
    setState(state);
    setZipCode(zipcode);
  }

  /**
   * Retrieves the Customer's name.
   */
  public String getName() {
    return getStringAttribute(NAME_ATTRIBUTE);
  } 

  /**
   * Sets the Customer's name.
   */
  public void setName(String name) {
    setStringAttribute(NAME_ATTRIBUTE, name);
  } 

  /**
   * Retrieves the Customer's address.
   */
  public String getAddress() {
    return getStringAttribute(ADDRESS_ATTRIBUTE);
  } 

  /**
   * Sets the Customer's address.
   */
  public void setAddress(String address) {
    setStringAttribute(ADDRESS_ATTRIBUTE, address);
  } 

  /**
   * Retrieves the Customer's city.
   */
  public String getCity() {
    return getStringAttribute(CITY_ATTRIBUTE);
  } 

  /**
   * Sets the Customer's city.
   */
  public void setCity(String city) {
    setStringAttribute(CITY_ATTRIBUTE, city);
  } 

  /**
   * Retrieves the Customer's state.
   */
  public String getState() {
    return getStringAttribute(STATE_ATTRIBUTE);
  } 

  /**
   * Sets the Customer's state.
   */
  public void setState(String state) {
    setStringAttribute(STATE_ATTRIBUTE, state);
  } 

  /**
   * Retrieves the Customer's zip code.
   */
  public String getZipCode() {
    return getStringAttribute(ZIP_CODE_ATTRIBUTE);
  } 

  /**
   * Sets the Customer's zip code.
   */
  public void setZipCode(String zipCode) {
    setStringAttribute(ZIP_CODE_ATTRIBUTE, zipCode);
  } 

  /**
   * Add to superclass to output additional
   * volume customer attributes
   */
  public String toString() {
    return super.toString() + "\n  Name: " + getName() + "\n  Address: " 
           + getAddress() + "\n           " + getCity() + ", " + getState() 
           + "  " + getZipCode() + "\n  Discount Rate: " + discountRate() 
           + "\n  Is Non-Profit: " + isNonProfit();
  } 

  // --------------------------------------------------------------
  // Section 3: Business logic methods
  // --------------------------------------------------------------

  /**
   * Return the amount of discount applicable to the volume
   * customer.  The value returned is multiplied by the purchase
   * price to determine discount.
   */
  public abstract double discountRate();

  /**
   * Tell if the customer is a non-profit corporation.
   */
  public boolean isNonProfit() {
    return false;
  } 

}