<?php

require_once 'propel/om/BaseObject.php';

require_once 'propel/om/Persistent.php';


include_once 'propel/util/Criteria.php';

include_once 'bookstore/BookPeer.php';

/**
 * Base class that represents a row from the 'book' table.
 *
 * Book Table
 *
 * This class was autogenerated by Propel on:
 *
 * 09/19/05 20:42:23
 *
 * @package bookstore.om
 */
abstract class BaseBook extends BaseObject  implements Persistent {


	/**
	 * The Peer class.
	 * Instance provides a convenient way of calling static methods on a class
	 * that calling code may not be able to identify.
	 * @var BookPeer
	 */
	protected static $peer;


	/**
	 * The value for the id field.
	 * @var int
	 */
	protected $id;


	/**
	 * The value for the title field.
	 * @var string
	 */
	protected $title;


	/**
	 * The value for the isbn field.
	 * @var string
	 */
	protected $isbn;


	/**
	 * The value for the publisher_id field.
	 * @var int
	 */
	protected $publisher_id;


	/**
	 * The value for the author_id field.
	 * @var int
	 */
	protected $author_id;

	/**
	 * @var Publisher
	 */
	protected $aPublisher;

	/**
	 * @var Author
	 */
	protected $aAuthor;

	/**
	 * Collection to store aggregation of collReviews.
	 * @var array
	 */
	protected $collReviews;
	
	/**
	 * The criteria used to select the current contents of collReviews.
	 * @var Criteria
	 */
	private $lastReviewCriteria = null;

	/**
	 * Collection to store aggregation of collMedias.
	 * @var array
	 */
	protected $collMedias;
	
	/**
	 * The criteria used to select the current contents of collMedias.
	 * @var Criteria
	 */
	private $lastMediaCriteria = null;

	/**
	 * Collection to store aggregation of collBookListRels.
	 * @var array
	 */
	protected $collBookListRels;
	
	/**
	 * The criteria used to select the current contents of collBookListRels.
	 * @var Criteria
	 */
	private $lastBookListRelCriteria = null;

	/**
	 * Flag to prevent endless save loop, if this object is referenced
	 * by another object which falls in this transaction.
	 * @var boolean
	 */
	private $alreadyInSave = false;

	/**
	 * Flag to prevent endless validation loop, if this object is referenced
	 * by another object which falls in this transaction.
	 * @var boolean
	 */
	private $alreadyInValidation = false;

	/**
	 * Get the [id] column value.
	 * Book Id
	 * @return int
	 */
	public function getId()
	{

		return $this->id;
	}

	/**
	 * Get the [title] column value.
	 * Book Title
	 * @return string
	 */
	public function getTitle()
	{

		return $this->title;
	}

	/**
	 * Get the [isbn] column value.
	 * ISBN Number
	 * @return string
	 */
	public function getISBN()
	{

		return $this->isbn;
	}

	/**
	 * Get the [publisher_id] column value.
	 * Foreign Key Publisher
	 * @return int
	 */
	public function getPublisherId()
	{

		return $this->publisher_id;
	}

	/**
	 * Get the [author_id] column value.
	 * Foreign Key Author
	 * @return int
	 */
	public function getAuthorId()
	{

		return $this->author_id;
	}

	/**
	 * Set the value of [id] column.
	 * Book Id
	 * @param int $v new value
	 * @return void
	 */
	public function setId($v)
	{

		if ($this->id !== $v) {
			$this->id = $v;
			$this->modifiedColumns[] = BookPeer::ID;
		}

	} // setId()

	/**
	 * Set the value of [title] column.
	 * Book Title
	 * @param string $v new value
	 * @return void
	 */
	public function setTitle($v)
	{

		if ($this->title !== $v) {
			$this->title = $v;
			$this->modifiedColumns[] = BookPeer::TITLE;
		}

	} // setTitle()

	/**
	 * Set the value of [isbn] column.
	 * ISBN Number
	 * @param string $v new value
	 * @return void
	 */
	public function setISBN($v)
	{

		if ($this->isbn !== $v) {
			$this->isbn = $v;
			$this->modifiedColumns[] = BookPeer::ISBN;
		}

	} // setISBN()

	/**
	 * Set the value of [publisher_id] column.
	 * Foreign Key Publisher
	 * @param int $v new value
	 * @return void
	 */
	public function setPublisherId($v)
	{

		if ($this->publisher_id !== $v) {
			$this->publisher_id = $v;
			$this->modifiedColumns[] = BookPeer::PUBLISHER_ID;
		}

		if ($this->aPublisher !== null && $this->aPublisher->getId() !== $v) {
			$this->aPublisher = null;
		}		

	} // setPublisherId()

	/**
	 * Set the value of [author_id] column.
	 * Foreign Key Author
	 * @param int $v new value
	 * @return void
	 */
	public function setAuthorId($v)
	{

		if ($this->author_id !== $v) {
			$this->author_id = $v;
			$this->modifiedColumns[] = BookPeer::AUTHOR_ID;
		}

		if ($this->aAuthor !== null && $this->aAuthor->getId() !== $v) {
			$this->aAuthor = null;
		}		

	} // setAuthorId()

	/**
	 * Hydrates (populates) the object variables with values from the database resultset.
	 *
	 * An offset (1-based "start column") is specified so that objects can be hydrated
	 * with a subset of the columns in the resultset rows.  This is needed, for example,
	 * for results of JOIN queries where the resultset row includes columns from two or
	 * more tables.
	 *
	 * @param ResultSet $rs The ResultSet class with cursor advanced to desired record pos.
	 * @param int $startcol 1-based offset column which indicates which restultset column to start with.
	 * @return int next starting column
	 * @throws PropelException  - Any caught Exception will be rewrapped as a PropelException.
	 */
	public function hydrate(ResultSet $rs, $startcol = 1)
	{
		try {

			$this->id = $rs->getInt($startcol + 0);

			$this->title = $rs->getString($startcol + 1);

			$this->isbn = $rs->getString($startcol + 2);

			$this->publisher_id = $rs->getInt($startcol + 3);

			$this->author_id = $rs->getInt($startcol + 4);

			$this->resetModified();

			$this->setNew(false);

			// FIXME - using NUM_COLUMNS may be clearer.
			return $startcol + 5; // 5 = BookPeer::NUM_COLUMNS - BookPeer::NUM_LAZY_LOAD_COLUMNS).

		} catch (Exception $e) {
			throw new PropelException("Error populating Book object", $e);
		}
	}

	/**
	 * Removes this object from datastore and sets delete attribute.
	 *
	 * @param Connection $con
	 * @return void
	 * @throws PropelException
	 * @see BaseObject::setDeleted()
	 * @see BaseObject::isDeleted()
	 */
	public function delete($con = null)
	{
		if ($this->isDeleted()) {
			throw new PropelException("This object has already been deleted.");
		}

		if ($con === null) {
			$con = Propel::getConnection(BookPeer::DATABASE_NAME);
		}

		try {
			$con->begin();
			BookPeer::doDelete($this, $con);
			$this->setDeleted(true);
			$con->commit();
		} catch (PropelException $e) {
			$con->rollback();
			throw $e;
		}
	}

	/**
	 * Stores the object in the database.  If the object is new,
	 * it inserts it; otherwise an update is performed.  This method
	 * wraps the doSave() worker method in a transaction.
	 *
	 * @param Connection $con
	 * @return int The number of rows affected by this insert/update and any referring fk objects' save() operations.
	 * @throws PropelException
	 * @see doSave()
	 */
	public function save($con = null)
	{
		if ($this->isDeleted()) {
			throw new PropelException("You cannot save an object that has been deleted.");
		}

		if ($con === null) {
			$con = Propel::getConnection(BookPeer::DATABASE_NAME);
		}
		
		try {
			$con->begin();
			$affectedRows = $this->doSave($con);
			$con->commit();
			return $affectedRows;
		} catch (PropelException $e) {
			$con->rollback();
			throw $e;
		}
	}

	/**
	 * Stores the object in the database.
	 * 
	 * If the object is new, it inserts it; otherwise an update is performed.
	 * All related objects are also updated in this method.
	 *
	 * @param Connection $con
	 * @return int The number of rows affected by this insert/update and any referring fk objects' save() operations.
	 * @throws PropelException
	 * @see save()
	 */
	protected function doSave($con)
	{
		$affectedRows = 0; // initialize var to track total num of affected rows	
		if (!$this->alreadyInSave) {
			$this->alreadyInSave = true;


			// We call the save method on the following object(s) if they
			// were passed to this object by their coresponding set
			// method.  This object relates to these object(s) by a
			// foreign key reference.

			if ($this->aPublisher !== null) {
				if ($this->aPublisher->isModified()) {
					$affectedRows += $this->aPublisher->save($con);
				}
				$this->setPublisher($this->aPublisher);
			}

			if ($this->aAuthor !== null) {
				if ($this->aAuthor->isModified()) {
					$affectedRows += $this->aAuthor->save($con);
				}
				$this->setAuthor($this->aAuthor);
			}
	

			// If this object has been modified, then save it to the database.
			if ($this->isModified()) {
				if ($this->isNew()) {
					$pk = BookPeer::doInsert($this, $con);
					$affectedRows += 1; // we are assuming that there is only 1 row per doInsert() which 
										 // should always be true here (even though technically 
										 // BasePeer::doInsert() can insert multiple rows).

					$this->setId($pk);  //[IMV] update autoincrement primary key

					$this->setNew(false);
				} else {
					$affectedRows += BookPeer::doUpdate($this, $con);
				}
				$this->resetModified(); // [HL] After being saved an object is no longer 'modified'
			}

			if ($this->collReviews !== null) {
				foreach($this->collReviews as $referrerFK) {
					if (!$referrerFK->isDeleted()) {
						$affectedRows += $referrerFK->save($con);
					}
				}
			}

			if ($this->collMedias !== null) {
				foreach($this->collMedias as $referrerFK) {
					if (!$referrerFK->isDeleted()) {
						$affectedRows += $referrerFK->save($con);
					}
				}
			}

			if ($this->collBookListRels !== null) {
				foreach($this->collBookListRels as $referrerFK) {
					if (!$referrerFK->isDeleted()) {
						$affectedRows += $referrerFK->save($con);
					}
				}
			}

			$this->alreadyInSave = false;
		}
		return $affectedRows;
	} // doSave()

	/**
	 * Validates the objects modified field values and all objects related to this table.
	 *
	 * If $columns is either a column name or an array of column names
	 * only those columns are validated.
	 *
	 * @param mixed $columns Column name or an array of column names.
	 *
	 * @return mixed <code>true</code> if all columns pass validation
	 *			  or an array of <code>ValidationFailed</code> objects for columns that fail.
	 * @see doValidate()
	 */
	public function validate($columns = null)
	{
	  if ($columns) {
		return BookPeer::doValidate($this, $columns);
	  }
		return $this->doValidate();
	}

	/**
	 * This function performs the validation work for complex object models.
	 *
	 * In addition to checking the current object, all related objects will
	 * also be validated.  If all pass then <code>true</code> is returned; otherwise
	 * an aggreagated array of ValidationFailed objects will be returned.
	 *
	 * @return mixed <code>true</code> if all validations pass; array of <code>ValidationFailed</code> objets otherwise.
	 */
	protected function doValidate()
	{
		if (!$this->alreadyInValidation) {
			$this->alreadyInValidation = true;
			$retval = null;

			$failureMap = array();


			// We call the validate method on the following object(s) if they
			// were passed to this object by their coresponding set
			// method.  This object relates to these object(s) by a
			// foreign key reference.

			if ($this->aPublisher !== null) {
				if (($retval = $this->aPublisher->validate()) !== true) {
					$failureMap = array_merge($failureMap, $retval);
				}
			}

			if ($this->aAuthor !== null) {
				if (($retval = $this->aAuthor->validate()) !== true) {
					$failureMap = array_merge($failureMap, $retval);
				}
			}


			if (($retval = BookPeer::doValidate($this)) !== true) {
				$failureMap = array_merge($failureMap, $retval);
			}


				if ($this->collReviews !== null) {
					foreach($this->collReviews as $referrerFK) {
						if (($retval = $referrerFK->validate()) !== true) {
							$failureMap = array_merge($failureMap, $retval);
						}
					}
				}

				if ($this->collMedias !== null) {
					foreach($this->collMedias as $referrerFK) {
						if (($retval = $referrerFK->validate()) !== true) {
							$failureMap = array_merge($failureMap, $retval);
						}
					}
				}

				if ($this->collBookListRels !== null) {
					foreach($this->collBookListRels as $referrerFK) {
						if (($retval = $referrerFK->validate()) !== true) {
							$failureMap = array_merge($failureMap, $retval);
						}
					}
				}


			$this->alreadyInValidation = false;
		}

		return (!empty($failureMap) ? $failureMap : true);
	}

	/**
	 * Retrieves a field from the object by name passed in as a string.
	 *
	 * @param string $name name
	 * @param string $type The type of fieldname the $name is of:
	 *                     one of the class type constants TYPE_PHPNAME,
	 *                     TYPE_COLNAME, TYPE_FIELDNAME, TYPE_NUM
	 * @return mixed Value of field.
	 */
	public function getByName($name, $type = BasePeer::TYPE_PHPNAME)
	{
		$names = BookPeer::getFieldNames($type);
		$pos = BookPeer::translateFieldName($name, $type, BasePeer::TYPE_NUM);
		return $this->getByPosition($pos);
	}

	/**
	 * Retrieves a field from the object by Position as specified in the xml schema.
	 * Zero-based.
	 *
	 * @param int $pos position in xml schema
	 * @return mixed Value of field at $pos
	 */
	public function getByPosition($pos)
	{
		switch($pos) {
			case 0:
				return $this->getId();
				break;
			case 1:
				return $this->getTitle();
				break;
			case 2:
				return $this->getISBN();
				break;
			case 3:
				return $this->getPublisherId();
				break;
			case 4:
				return $this->getAuthorId();
				break;
			default:
				return null;
				break;
		} // switch()
	}

	/**
	 * Exports the object as an array.
	 *
	 * You can specify the key type of the array by passing one of the class
	 * type constants.
	 *
	 * @param string $keyType One of the class type constants TYPE_PHPNAME,
	 *                        TYPE_COLNAME, TYPE_FIELDNAME, TYPE_NUM
	 * @return an associative array containing the field names (as keys) and field values
	 */
	public function toArray($keyType = BasePeer::TYPE_PHPNAME)
	{
		$keys = BookPeer::getFieldNames($keyType);
		$result = array(
			$keys[0] => $this->getId(),
			$keys[1] => $this->getTitle(),
			$keys[2] => $this->getISBN(),
			$keys[3] => $this->getPublisherId(),
			$keys[4] => $this->getAuthorId(),
		);
		return $result;
	}

	/**
	 * Sets a field from the object by name passed in as a string.
	 *
	 * @param string $name peer name
	 * @param mixed $value field value
	 * @param string $type The type of fieldname the $name is of:
	 *                     one of the class type constants TYPE_PHPNAME,
	 *                     TYPE_COLNAME, TYPE_FIELDNAME, TYPE_NUM
	 * @return void
	 */
	public function setByName($name, $value, $type = BasePeer::TYPE_PHPNAME)
	{
		$names = BookPeer::getFieldNames($type);
		$pos = array_search($name, $names);
		return $this->setByPosition($pos, $value);
	}

	/**
	 * Sets a field from the object by Position as specified in the xml schema.
	 * Zero-based.
	 *
	 * @param int $pos position in xml schema
	 * @param mixed $value field value
	 * @return void
	 */
	public function setByPosition($pos, $value)
	{
		switch($pos) {
			case 0:
				$this->setId($value);
				break;
			case 1:
				$this->setTitle($value);
				break;
			case 2:
				$this->setISBN($value);
				break;
			case 3:
				$this->setPublisherId($value);
				break;
			case 4:
				$this->setAuthorId($value);
				break;
		} // switch()
	}

	/**
	 * Populates the object using an array.
	 *
	 * This is particularly useful when populating an object from one of the
	 * request arrays (e.g. $_POST).  This method goes through the column
	 * names, checking to see whether a matching key exists in populated
	 * array. If so the setByName() method is called for that column.
	 *
	 * You can specify the key type of the array by additionally passing one
	 * of the class type constants TYPE_PHPNAME, TYPE_COLNAME, TYPE_FIELDNAME,
	 * TYPE_NUM. The default key type is the column's phpname (e.g. 'authorId')
	 *
	 * @param array  $arr     An array to populate the object from.
	 * @param string $keyType The type of keys the array uses.
	 * @return void
	 */
	public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
	{
		$keys = BookPeer::getFieldNames($keyType);

		if (array_key_exists($keys[0], $arr)) $this->setId($arr[$keys[0]]);
		if (array_key_exists($keys[1], $arr)) $this->setTitle($arr[$keys[1]]);
		if (array_key_exists($keys[2], $arr)) $this->setISBN($arr[$keys[2]]);
		if (array_key_exists($keys[3], $arr)) $this->setPublisherId($arr[$keys[3]]);
		if (array_key_exists($keys[4], $arr)) $this->setAuthorId($arr[$keys[4]]);
	}

	/**
	 * Build a Criteria object containing the values of all modified columns in this object.
	 *
	 * @return Criteria The Criteria object containing all modified values.
	 */
	public function buildCriteria()
	{
		$criteria = new Criteria(BookPeer::DATABASE_NAME);

		if ($this->isColumnModified(BookPeer::ID)) $criteria->add(BookPeer::ID, $this->id);
		if ($this->isColumnModified(BookPeer::TITLE)) $criteria->add(BookPeer::TITLE, $this->title);
		if ($this->isColumnModified(BookPeer::ISBN)) $criteria->add(BookPeer::ISBN, $this->isbn);
		if ($this->isColumnModified(BookPeer::PUBLISHER_ID)) $criteria->add(BookPeer::PUBLISHER_ID, $this->publisher_id);
		if ($this->isColumnModified(BookPeer::AUTHOR_ID)) $criteria->add(BookPeer::AUTHOR_ID, $this->author_id);

		return $criteria;
	}

	/**
	 * Builds a Criteria object containing the primary key for this object.
	 *
	 * Unlike buildCriteria() this method includes the primary key values regardless
	 * of whether or not they have been modified.
	 *
	 * @return Criteria The Criteria object containing value(s) for primary key(s).
	 */
	public function buildPkeyCriteria()
	{
		$criteria = new Criteria(BookPeer::DATABASE_NAME);

		$criteria->add(BookPeer::ID, $this->id);

		return $criteria;
	}

	/**
	 * Returns the primary key for this object (row).
	 * @return int
	 */
	public function getPrimaryKey()
	{
		return $this->getId();
	}

	/**
	 * Generic method to set the primary key (id column).
	 *
	 * @param int $key Primary key.
	 * @return void
	 */
	public function setPrimaryKey($key)
	{
		$this->setId($key);
	}

	/**
	 * Sets contents of passed object to values from current object.
	 * 
	 * If desired, this method can also make copies of all associated (fkey referrers)
	 * objects.
	 *
	 * @param object $copyObj An object of Book (or compatible) type.
	 * @param boolean $deepCopy Whether to also copy all rows that refer (by fkey) to the current row.
	 * @throws PropelException
	 */
	public function copyInto($copyObj, $deepCopy = false)
	{

		$copyObj->setTitle($this->title);

		$copyObj->setISBN($this->isbn);

		$copyObj->setPublisherId($this->publisher_id);

		$copyObj->setAuthorId($this->author_id);


		if ($deepCopy) {
			// important: temporarily setNew(false) because this affects the behavior of
			// the getter/setter methods for fkey referrer objects.
			$copyObj->setNew(false);

			foreach($this->getReviews() as $relObj) {
				$copyObj->addReview($relObj->copy());
			}

			foreach($this->getMedias() as $relObj) {
				$copyObj->addMedia($relObj->copy());
			}

			foreach($this->getBookListRels() as $relObj) {
				$copyObj->addBookListRel($relObj->copy());
			}

		} // if ($deepCopy)


		$copyObj->setNew(true);

		$copyObj->setId(NULL); // this is a pkey column, so set to default value

	}

	/**
	 * Makes a copy of this object that will be inserted as a new row in table when saved.
	 * It creates a new object filling in the simple attributes, but skipping any primary
	 * keys that are defined for the table.
	 * 
	 * If desired, this method can also make copies of all associated (fkey referrers)
	 * objects.
	 *
	 * @param boolean $deepCopy Whether to also copy all rows that refer (by fkey) to the current row.
	 * @return Book Clone of current object.
	 * @throws PropelException
	 */
	public function copy($deepCopy = false)
	{
		// we use get_class(), because this might be a subclass
		$clazz = get_class($this);
		$copyObj = new $clazz();
		$this->copyInto($copyObj, $deepCopy);
		return $copyObj;
	}

	/**
	 * Returns a peer instance associated with this om.
	 *
	 * Since Peer classes are not to have any instance attributes, this method returns the
	 * same instance for all member of this class. The method could therefore
	 * be static, but this would prevent one from overriding the behavior.
	 *
	 * @return BookPeer
	 */
	public function getPeer()
	{
		if (self::$peer === null) {
			self::$peer = new BookPeer();
		}
		return self::$peer;
	}

	/**
	 * Declares an association between this object and a Publisher object.
	 *
	 * @param Publisher $v
	 * @return void
	 * @throws PropelException
	 */
	public function setPublisher($v)
	{


		if ($v === null) {
			$this->setPublisherId(NULL);
		} else {
			$this->setPublisherId($v->getId());
		}


		$this->aPublisher = $v;
	}


	/**
	 * Get the associated Publisher object
	 *
	 * @param Connection Optional Connection object.
	 * @return Publisher The associated Publisher object.
	 * @throws PropelException
	 */
	public function getPublisher($con = null)
	{
		// include the related Peer class
		include_once 'bookstore/om/BasePublisherPeer.php';

		if ($this->aPublisher === null && ($this->publisher_id !== null)) {

			$this->aPublisher = PublisherPeer::retrieveByPK($this->publisher_id, $con);
					
			/* The following can be used instead of the line above to
			   guarantee the related object contains a reference
			   to this object, but this level of coupling
			   may be undesirable in many circumstances.
			   As it can lead to a db query with many results that may
			   never be used.
			   $obj = PublisherPeer::retrieveByPK($this->publisher_id, $con);
			   $obj->addPublishers($this);
			 */
		}
		return $this->aPublisher;
	}

	/**
	 * Declares an association between this object and a Author object.
	 *
	 * @param Author $v
	 * @return void
	 * @throws PropelException
	 */
	public function setAuthor($v)
	{


		if ($v === null) {
			$this->setAuthorId(NULL);
		} else {
			$this->setAuthorId($v->getId());
		}


		$this->aAuthor = $v;
	}


	/**
	 * Get the associated Author object
	 *
	 * @param Connection Optional Connection object.
	 * @return Author The associated Author object.
	 * @throws PropelException
	 */
	public function getAuthor($con = null)
	{
		// include the related Peer class
		include_once 'bookstore/om/BaseAuthorPeer.php';

		if ($this->aAuthor === null && ($this->author_id !== null)) {

			$this->aAuthor = AuthorPeer::retrieveByPK($this->author_id, $con);
					
			/* The following can be used instead of the line above to
			   guarantee the related object contains a reference
			   to this object, but this level of coupling
			   may be undesirable in many circumstances.
			   As it can lead to a db query with many results that may
			   never be used.
			   $obj = AuthorPeer::retrieveByPK($this->author_id, $con);
			   $obj->addAuthors($this);
			 */
		}
		return $this->aAuthor;
	}

	/**
	 * Temporary storage of collReviews to save a possible db hit in
	 * the event objects are add to the collection, but the
	 * complete collection is never requested.
	 * @return void
	 */
	public function initReviews()
	{
		if ($this->collReviews === null) {
			$this->collReviews = array();
		}
	}

	/**
	 * If this collection has already been initialized with
	 * an identical criteria, it returns the collection.
	 * Otherwise if this Book has previously
	 * been saved, it will retrieve related Reviews from storage.
	 * If this Book is new, it will return
	 * an empty collection or the current collection, the criteria
	 * is ignored on a new object.
	 *
	 * @param Connection $con
	 * @param Criteria $criteria
	 * @throws PropelException
	 */
	public function getReviews($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseReviewPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		if ($this->collReviews === null) {
			if ($this->isNew()) {
			   $this->collReviews = array();
			} else {

				$criteria->add(ReviewPeer::BOOK_ID, $this->getId());

				ReviewPeer::addSelectColumns($criteria);
				$this->collReviews = ReviewPeer::doSelect($criteria, $con);
			}
		} else {
			// criteria has no effect for a new object
			if (!$this->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(ReviewPeer::BOOK_ID, $this->getId());

				ReviewPeer::addSelectColumns($criteria);
				if (!isset($this->lastReviewCriteria) || !$this->lastReviewCriteria->equals($criteria)) {
					$this->collReviews = ReviewPeer::doSelect($criteria, $con);
				}
			}
		}
		$this->lastReviewCriteria = $criteria;
		return $this->collReviews;
	}

	/**
	 * Returns the number of related Reviews.
	 *
	 * @param Criteria $criteria
	 * @param Connection $con
	 * @throws PropelException
	 */
	public function countReviews($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseReviewPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		$criteria->add(ReviewPeer::BOOK_ID, $this->getId());

		return ReviewPeer::doCount($criteria, $con);
	}

	/**
	 * Method called to associate a Review object to this object
	 * through the Review foreign key attribute
	 *
	 * @param Review $l Review
	 * @return void
	 * @throws PropelException
	 */
	public function addReview(Review $l)
	{
		$this->collReviews[] = $l;
		$l->setBook($this);
	}

	/**
	 * Temporary storage of collMedias to save a possible db hit in
	 * the event objects are add to the collection, but the
	 * complete collection is never requested.
	 * @return void
	 */
	public function initMedias()
	{
		if ($this->collMedias === null) {
			$this->collMedias = array();
		}
	}

	/**
	 * If this collection has already been initialized with
	 * an identical criteria, it returns the collection.
	 * Otherwise if this Book has previously
	 * been saved, it will retrieve related Medias from storage.
	 * If this Book is new, it will return
	 * an empty collection or the current collection, the criteria
	 * is ignored on a new object.
	 *
	 * @param Connection $con
	 * @param Criteria $criteria
	 * @throws PropelException
	 */
	public function getMedias($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseMediaPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		if ($this->collMedias === null) {
			if ($this->isNew()) {
			   $this->collMedias = array();
			} else {

				$criteria->add(MediaPeer::BOOK_ID, $this->getId());

				MediaPeer::addSelectColumns($criteria);
				$this->collMedias = MediaPeer::doSelect($criteria, $con);
			}
		} else {
			// criteria has no effect for a new object
			if (!$this->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(MediaPeer::BOOK_ID, $this->getId());

				MediaPeer::addSelectColumns($criteria);
				if (!isset($this->lastMediaCriteria) || !$this->lastMediaCriteria->equals($criteria)) {
					$this->collMedias = MediaPeer::doSelect($criteria, $con);
				}
			}
		}
		$this->lastMediaCriteria = $criteria;
		return $this->collMedias;
	}

	/**
	 * Returns the number of related Medias.
	 *
	 * @param Criteria $criteria
	 * @param Connection $con
	 * @throws PropelException
	 */
	public function countMedias($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseMediaPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		$criteria->add(MediaPeer::BOOK_ID, $this->getId());

		return MediaPeer::doCount($criteria, $con);
	}

	/**
	 * Method called to associate a Media object to this object
	 * through the Media foreign key attribute
	 *
	 * @param Media $l Media
	 * @return void
	 * @throws PropelException
	 */
	public function addMedia(Media $l)
	{
		$this->collMedias[] = $l;
		$l->setBook($this);
	}

	/**
	 * Temporary storage of collBookListRels to save a possible db hit in
	 * the event objects are add to the collection, but the
	 * complete collection is never requested.
	 * @return void
	 */
	public function initBookListRels()
	{
		if ($this->collBookListRels === null) {
			$this->collBookListRels = array();
		}
	}

	/**
	 * If this collection has already been initialized with
	 * an identical criteria, it returns the collection.
	 * Otherwise if this Book has previously
	 * been saved, it will retrieve related BookListRels from storage.
	 * If this Book is new, it will return
	 * an empty collection or the current collection, the criteria
	 * is ignored on a new object.
	 *
	 * @param Connection $con
	 * @param Criteria $criteria
	 * @throws PropelException
	 */
	public function getBookListRels($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseBookListRelPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		if ($this->collBookListRels === null) {
			if ($this->isNew()) {
			   $this->collBookListRels = array();
			} else {

				$criteria->add(BookListRelPeer::BOOK_ID, $this->getId());

				BookListRelPeer::addSelectColumns($criteria);
				$this->collBookListRels = BookListRelPeer::doSelect($criteria, $con);
			}
		} else {
			// criteria has no effect for a new object
			if (!$this->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(BookListRelPeer::BOOK_ID, $this->getId());

				BookListRelPeer::addSelectColumns($criteria);
				if (!isset($this->lastBookListRelCriteria) || !$this->lastBookListRelCriteria->equals($criteria)) {
					$this->collBookListRels = BookListRelPeer::doSelect($criteria, $con);
				}
			}
		}
		$this->lastBookListRelCriteria = $criteria;
		return $this->collBookListRels;
	}

	/**
	 * Returns the number of related BookListRels.
	 *
	 * @param Criteria $criteria
	 * @param Connection $con
	 * @throws PropelException
	 */
	public function countBookListRels($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseBookListRelPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		$criteria->add(BookListRelPeer::BOOK_ID, $this->getId());

		return BookListRelPeer::doCount($criteria, $con);
	}

	/**
	 * Method called to associate a BookListRel object to this object
	 * through the BookListRel foreign key attribute
	 *
	 * @param BookListRel $l BookListRel
	 * @return void
	 * @throws PropelException
	 */
	public function addBookListRel(BookListRel $l)
	{
		$this->collBookListRels[] = $l;
		$l->setBook($this);
	}


	/**
	 * If this collection has already been initialized with
	 * an identical criteria, it returns the collection.
	 * Otherwise if this Book is new, it will return
	 * an empty collection; or if this Book has previously
	 * been saved, it will retrieve related BookListRels 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 Book.
	 */
	public function getBookListRelsJoinBookClubList($criteria = null, $con = null)
	{
		// include the Peer class
		include_once 'bookstore/om/BaseBookListRelPeer.php';
		if ($criteria === null) {
			$criteria = new Criteria();
		}
		elseif ($criteria instanceof Criteria)
		{
			$criteria = clone $criteria;
		}

		if ($this->collBookListRels === null) {
			if ($this->isNew()) {
				$this->collBookListRels = array();
			} else {

				$criteria->add(BookListRelPeer::BOOK_ID, $this->getId());

				$this->collBookListRels = BookListRelPeer::doSelectJoinBookClubList($criteria, $con);
			}
		} else {
			// 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(BookListRelPeer::BOOK_ID, $this->getId());

			if (!isset($this->lastBookListRelCriteria) || !$this->lastBookListRelCriteria->equals($criteria)) {
				$this->collBookListRels = BookListRelPeer::doSelectJoinBookClubList($criteria, $con);
			}
		}
		$this->lastBookListRelCriteria = $criteria;

		return $this->collBookListRels;
	}

} // BaseBook