baseauthor.java

Torque示例

package com.becom.om;


import java.math.BigDecimal;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.Date;
import java.util.Collections;
import java.util.List;

import org.apache.commons.lang.ObjectUtils;
import org.apache.torque.TorqueException;
import org.apache.torque.om.BaseObject;
import org.apache.torque.om.ComboKey;
import org.apache.torque.om.DateKey;
import org.apache.torque.om.NumberKey;
import org.apache.torque.om.ObjectKey;
import org.apache.torque.om.SimpleKey;
import org.apache.torque.om.StringKey;
import org.apache.torque.om.Persistent;
import org.apache.torque.util.Criteria;
import org.apache.torque.util.Transaction;


/**
 * This class was autogenerated by Torque on:
 *
 * [Tue Apr 20 13:21:09 CST 2004]
 *
 * You should not use this class directly.  It should not even be
 * extended all references should be to Author
 */
public abstract class BaseAuthor extends BaseObject
{
    /** The Peer class */
    private static final AuthorPeer peer =
        new AuthorPeer();

        
    /** The value for the authorId field */
    private int authorId;
      
    /** The value for the firstName field */
    private String firstName;
      
    /** The value for the lastName field */
    private String lastName;
  
    
    /**
     * Get the AuthorId
     *
     * @return int
     */
    public int getAuthorId()
    {
        return authorId;
    }

                                              
    /**
     * Set the value of AuthorId
     *
     * @param v new value
     */
    public void setAuthorId(int v) throws TorqueException
    {
    
                  if (this.authorId != v)
              {
            this.authorId = v;
            setModified(true);
        }
    
          
                                  
        // update associated Book
        if (collBooks != null)
        {
            for (int i = 0; i < collBooks.size(); i++)
            {
                ((Book) collBooks.get(i))
                    .setAuthorId(v);
            }
        }
                      }
  
    /**
     * Get the FirstName
     *
     * @return String
     */
    public String getFirstName()
    {
        return firstName;
    }

                        
    /**
     * Set the value of FirstName
     *
     * @param v new value
     */
    public void setFirstName(String v) 
    {
    
                  if (!ObjectUtils.equals(this.firstName, v))
              {
            this.firstName = v;
            setModified(true);
        }
    
          
              }
  
    /**
     * Get the LastName
     *
     * @return String
     */
    public String getLastName()
    {
        return lastName;
    }

                        
    /**
     * Set the value of LastName
     *
     * @param v new value
     */
    public void setLastName(String v) 
    {
    
                  if (!ObjectUtils.equals(this.lastName, v))
              {
            this.lastName = v;
            setModified(true);
        }
    
          
              }
  
         
                                
            
    /**
     * Collection to store aggregation of collBooks
     */
    protected List collBooks;

    /**
     * Temporary storage of collBooks to save a possible db hit in
     * the event objects are add to the collection, but the
     * complete collection is never requested.
     */
    protected void initBooks()
    {
        if (collBooks == null)
        {
            collBooks = new ArrayList();
        }
    }

    /**
     * Method called to associate a Book object to this object
     * through the Book foreign key attribute
     *
     * @param l Book
     * @throws TorqueException
     */
    public void addBook(Book l) throws TorqueException
    {
        getBooks().add(l);
        l.setAuthor((Author) this);
    }

    /**
     * The criteria used to select the current contents of collBooks
     */
    private Criteria lastBooksCriteria = null;

    /**
     * If this collection has already been initialized, returns
     * the collection. Otherwise returns the results of
     * getBooks(new Criteria())
     *
     * @throws TorqueException
     */
    public List getBooks() throws TorqueException
    {
        if (collBooks == null)
        {
            collBooks = getBooks(new Criteria(10));
        }
        return collBooks;
    }

    /**
     * If this collection has already been initialized with
     * an identical criteria, it returns the collection.
     * Otherwise if this Author has previously
     * been saved, it will retrieve related Books from storage.
     * If this Author is new, it will return
     * an empty collection or the current collection, the criteria
     * is ignored on a new object.
     *
     * @throws TorqueException
     */
    public List getBooks(Criteria criteria) throws TorqueException
    {
        if (collBooks == null)
        {
            if (isNew())
            {
               collBooks = new ArrayList();
            }
            else
            {
                      criteria.add(BookPeer.AUTHOR_ID, getAuthorId() );
                      collBooks = BookPeer.doSelect(criteria);
            }
        }
        else
        {
            // criteria has no effect for a new object
            if (!isNew())
            {
                // the following code is to determine if a new query is
                // called for.  If the criteria is the same as the last
                // one, just return the collection.
                      criteria.add(BookPeer.AUTHOR_ID, getAuthorId());
                      if (!lastBooksCriteria.equals(criteria))
                {
                    collBooks = BookPeer.doSelect(criteria);
                }
            }
        }
        lastBooksCriteria = criteria;

        return collBooks;
    }

    /**
     * If this collection has already been initialized, returns
     * the collection. Otherwise returns the results of
     * getBooks(new Criteria(),Connection)
     * This method takes in the Connection also as input so that
     * referenced objects can also be obtained using a Connection
     * that is taken as input
     */
    public List getBooks(Connection con) throws TorqueException
    {
        if (collBooks == null)
        {
            collBooks = getBooks(new Criteria(10), con);
        }
        return collBooks;
    }

    /**
     * If this collection has already been initialized with
     * an identical criteria, it returns the collection.
     * Otherwise if this Author has previously
     * been saved, it will retrieve related Books from storage.
     * If this Author is new, it will return
     * an empty collection or the current collection, the criteria
     * is ignored on a new object.
     * This method takes in the Connection also as input so that
     * referenced objects can also be obtained using a Connection
     * that is taken as input
     */
    public List getBooks(Criteria criteria, Connection con)
            throws TorqueException
    {
        if (collBooks == null)
        {
            if (isNew())
            {
               collBooks = new ArrayList();
            }
            else
            {
                       criteria.add(BookPeer.AUTHOR_ID, getAuthorId());
                       collBooks = BookPeer.doSelect(criteria, con);
             }
         }
         else
         {
             // criteria has no effect for a new object
             if (!isNew())
             {
                 // the following code is to determine if a new query is
                 // called for.  If the criteria is the same as the last
                 // one, just return the collection.
                       criteria.add(BookPeer.AUTHOR_ID, getAuthorId());
                       if (!lastBooksCriteria.equals(criteria))
                 {
                     collBooks = BookPeer.doSelect(criteria, con);
                 }
             }
         }
         lastBooksCriteria = criteria;

         return collBooks;
     }

                        
              
                    
                    
                                
                                                              
                                        
                    
                    
          
    /**
     * If this collection has already been initialized with
     * an identical criteria, it returns the collection.
     * Otherwise if this Author is new, it will return
     * an empty collection; or if this Author has previously
     * been saved, it will retrieve related Books from storage.
     *
     * This method is protected by default in order to keep the public
     * api reasonable.  You can provide public methods for those you
     * actually need in Author.
     */
    protected List getBooksJoinPublisher(Criteria criteria)
        throws TorqueException
    {
        if (collBooks == null)
        {
            if (isNew())
            {
               collBooks = new ArrayList();
            }
            else
            {
                            criteria.add(BookPeer.AUTHOR_ID, getAuthorId());
                            collBooks = BookPeer.doSelectJoinPublisher(criteria);
            }
        }