Subversion-Projekte lars-tiefland.php_share

<?php

/**

 * Base static class for performing query and update operations on the 'book' table.

 *

 *

 *

 * This class was autogenerated by Propel 1.4.2 on:

 *

 * Fri Aug  5 09:39:36 2011

 *

 * @package    lib.model.om

 */

abstract class BaseBookPeer {

	/** the default database name for this class */

	const DATABASE_NAME = 'propel';

	/** the table name for this class */

	const TABLE_NAME = 'book';

	/** the related Propel class for this table */

	const OM_CLASS = 'Book';

	/** A class that can be returned by this peer. */

	const CLASS_DEFAULT = 'lib.model.Book';

	/** the related TableMap class for this table */

	const TM_CLASS = 'BookTableMap';

	/** The total number of columns. */

	const NUM_COLUMNS = 2;

	/** The number of lazy-loaded columns. */

	const NUM_LAZY_LOAD_COLUMNS = 0;

	/** the column name for the ID field */

	const ID = 'book.ID';

	/** the column name for the NAME field */

	const NAME = 'book.NAME';

	/**

	 * An identiy map to hold any loaded instances of Book objects.

	 * This must be public so that other peer classes can access this when hydrating from JOIN

	 * queries.

	 * @var        array Book[]

	 */

	public static $instances = array();

	// symfony behavior

	/**

	 * Indicates whether the current model includes I18N.

	 */

	const IS_I18N = false;

	/**

	 * holds an array of fieldnames

	 *

	 * first dimension keys are the type constants

	 * e.g. self::$fieldNames[self::TYPE_PHPNAME][0] = 'Id'

	 */

	private static $fieldNames = array (

		BasePeer::TYPE_PHPNAME => array ('Id', 'Name', ),

		BasePeer::TYPE_STUDLYPHPNAME => array ('id', 'name', ),

		BasePeer::TYPE_COLNAME => array (self::ID, self::NAME, ),

		BasePeer::TYPE_FIELDNAME => array ('id', 'name', ),

		BasePeer::TYPE_NUM => array (0, 1, )

	);

	/**

	 * holds an array of keys for quick access to the fieldnames array

	 *

	 * first dimension keys are the type constants

	 * e.g. self::$fieldNames[BasePeer::TYPE_PHPNAME]['Id'] = 0

	 */

	private static $fieldKeys = array (

		BasePeer::TYPE_PHPNAME => array ('Id' => 0, 'Name' => 1, ),

		BasePeer::TYPE_STUDLYPHPNAME => array ('id' => 0, 'name' => 1, ),

		BasePeer::TYPE_COLNAME => array (self::ID => 0, self::NAME => 1, ),

		BasePeer::TYPE_FIELDNAME => array ('id' => 0, 'name' => 1, ),

		BasePeer::TYPE_NUM => array (0, 1, )

	);

	/**

	 * Translates a fieldname to another type

	 *

	 * @param      string $name field name

	 * @param      string $fromType One of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME

	 *                         BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM

	 * @param      string $toType   One of the class type constants

	 * @return     string translated name of the field.

	 * @throws     PropelException - if the specified name could not be found in the fieldname mappings.

	 */

	static public function translateFieldName($name, $fromType, $toType)

	{

		$toNames = self::getFieldNames($toType);

		$key = isset(self::$fieldKeys[$fromType][$name]) ? self::$fieldKeys[$fromType][$name] : null;

		if ($key === null) {

			throw new PropelException("'$name' could not be found in the field names of type '$fromType'. These are: " . print_r(self::$fieldKeys[$fromType], true));

		}

		return $toNames[$key];

	}

	/**

	 * Returns an array of field names.

	 *

	 * @param      string $type The type of fieldnames to return:

	 *                      One of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME

	 *                      BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM

	 * @return     array A list of field names

	 */

	static public function getFieldNames($type = BasePeer::TYPE_PHPNAME)

	{

		if (!array_key_exists($type, self::$fieldNames)) {

			throw new PropelException('Method getFieldNames() expects the parameter $type to be one of the class constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME, BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM. ' . $type . ' was given.');

		}

		return self::$fieldNames[$type];

	}

	/**

	 * Convenience method which changes table.column to alias.column.

	 *

	 * Using this method you can maintain SQL abstraction while using column aliases.

	 * <code>

	 *		$c->addAlias("alias1", TablePeer::TABLE_NAME);

	 *		$c->addJoin(TablePeer::alias("alias1", TablePeer::PRIMARY_KEY_COLUMN), TablePeer::PRIMARY_KEY_COLUMN);

	 * </code>

	 * @param      string $alias The alias for the current table.

	 * @param      string $column The column name for current table. (i.e. BookPeer::COLUMN_NAME).

	 * @return     string

	 */

	public static function alias($alias, $column)

	{

		return str_replace(BookPeer::TABLE_NAME.'.', $alias.'.', $column);

	}

	/**

	 * Add all the columns needed to create a new object.

	 *

	 * Note: any columns that were marked with lazyLoad="true" in the

	 * XML schema will not be added to the select list and only loaded

	 * on demand.

	 *

	 * @param      criteria object containing the columns to add.

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function addSelectColumns(Criteria $criteria)

	{

		$criteria->addSelectColumn(BookPeer::ID);

		$criteria->addSelectColumn(BookPeer::NAME);

	}

	/**

	 * Returns the number of rows matching criteria.

	 *

	 * @param      Criteria $criteria

	 * @param      boolean $distinct Whether to select only distinct columns; deprecated: use Criteria->setDistinct() instead.

	 * @param      PropelPDO $con

	 * @return     int Number of matching rows.

	 */

	public static function doCount(Criteria $criteria, $distinct = false, PropelPDO $con = null)

	{

		// we may modify criteria, so copy it first

		$criteria = clone $criteria;

		// We need to set the primary table name, since in the case that there are no WHERE columns

		// it will be impossible for the BasePeer::createSelectSql() method to determine which

		// tables go into the FROM clause.

		$criteria->setPrimaryTableName(BookPeer::TABLE_NAME);

		if ($distinct && !in_array(Criteria::DISTINCT, $criteria->getSelectModifiers())) {

			$criteria->setDistinct();

		}

		if (!$criteria->hasSelectClause()) {

			BookPeer::addSelectColumns($criteria);

		}

		$criteria->clearOrderByColumns(); // ORDER BY won't ever affect the count

		$criteria->setDbName(self::DATABASE_NAME); // Set the correct dbName

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_READ);

		}

		// symfony_behaviors behavior

		foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook)

		{

		  call_user_func($sf_hook, 'BaseBookPeer', $criteria, $con);

		}

		// BasePeer returns a PDOStatement

		$stmt = BasePeer::doCount($criteria, $con);

		if ($row = $stmt->fetch(PDO::FETCH_NUM)) {

			$count = (int) $row[0];

		} else {

			$count = 0; // no rows returned; we infer that means 0 matches.

		}

		$stmt->closeCursor();

		return $count;

	}

	/**

	 * Method to select one object from the DB.

	 *

	 * @param      Criteria $criteria object used to create the SELECT statement.

	 * @param      PropelPDO $con

	 * @return     Book

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function doSelectOne(Criteria $criteria, PropelPDO $con = null)

	{

		$critcopy = clone $criteria;

		$critcopy->setLimit(1);

		$objects = BookPeer::doSelect($critcopy, $con);

		if ($objects) {

			return $objects[0];

		}

		return null;

	}

	/**

	 * Method to do selects.

	 *

	 * @param      Criteria $criteria The Criteria object used to build the SELECT statement.

	 * @param      PropelPDO $con

	 * @return     array Array of selected Objects

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function doSelect(Criteria $criteria, PropelPDO $con = null)

	{

		return BookPeer::populateObjects(BookPeer::doSelectStmt($criteria, $con));

	}

	/**

	 * Prepares the Criteria object and uses the parent doSelect() method to execute a PDOStatement.

	 *

	 * Use this method directly if you want to work with an executed statement durirectly (for example

	 * to perform your own object hydration).

	 *

	 * @param      Criteria $criteria The Criteria object used to build the SELECT statement.

	 * @param      PropelPDO $con The connection to use

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 * @return     PDOStatement The executed PDOStatement object.

	 * @see        BasePeer::doSelect()

	 */

	public static function doSelectStmt(Criteria $criteria, PropelPDO $con = null)

	{

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_READ);

		}

		if (!$criteria->hasSelectClause()) {

			$criteria = clone $criteria;

			BookPeer::addSelectColumns($criteria);

		}

		// Set the correct dbName

		$criteria->setDbName(self::DATABASE_NAME);

		// symfony_behaviors behavior

		foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook)

		{

		  call_user_func($sf_hook, 'BaseBookPeer', $criteria, $con);

		}

		// BasePeer returns a PDOStatement

		return BasePeer::doSelect($criteria, $con);

	}

	/**

	 * Adds an object to the instance pool.

	 *

	 * Propel keeps cached copies of objects in an instance pool when they are retrieved

	 * from the database.  In some cases -- especially when you override doSelect*()

	 * methods in your stub classes -- you may need to explicitly add objects

	 * to the cache in order to ensure that the same objects are always returned by doSelect*()

	 * and retrieveByPK*() calls.

	 *

	 * @param      Book $value A Book object.

	 * @param      string $key (optional) key to use for instance map (for performance boost if key was already calculated externally).

	 */

	public static function addInstanceToPool(Book $obj, $key = null)

	{

		if (Propel::isInstancePoolingEnabled()) {

			if ($key === null) {

				$key = (string) $obj->getId();

			} // if key === null

			self::$instances[$key] = $obj;

		}

	}

	/**

	 * Removes an object from the instance pool.

	 *

	 * Propel keeps cached copies of objects in an instance pool when they are retrieved

	 * from the database.  In some cases -- especially when you override doDelete

	 * methods in your stub classes -- you may need to explicitly remove objects

	 * from the cache in order to prevent returning objects that no longer exist.

	 *

	 * @param      mixed $value A Book object or a primary key value.

	 */

	public static function removeInstanceFromPool($value)

	{

		if (Propel::isInstancePoolingEnabled() && $value !== null) {

			if (is_object($value) && $value instanceof Book) {

				$key = (string) $value->getId();

			} elseif (is_scalar($value)) {

				// assume we've been passed a primary key

				$key = (string) $value;

			} else {

				$e = new PropelException("Invalid value passed to removeInstanceFromPool().  Expected primary key or Book object; got " . (is_object($value) ? get_class($value) . ' object.' : var_export($value,true)));

				throw $e;

			}

			unset(self::$instances[$key]);

		}

	} // removeInstanceFromPool()

	/**

	 * Retrieves a string version of the primary key from the DB resultset row that can be used to uniquely identify a row in this table.

	 *

	 * For tables with a single-column primary key, that simple pkey value will be returned.  For tables with

	 * a multi-column primary key, a serialize()d version of the primary key will be returned.

	 *

	 * @param      string $key The key (@see getPrimaryKeyHash()) for this instance.

	 * @return     Book Found object or NULL if 1) no instance exists for specified key or 2) instance pooling has been disabled.

	 * @see        getPrimaryKeyHash()

	 */

	public static function getInstanceFromPool($key)

	{

		if (Propel::isInstancePoolingEnabled()) {

			if (isset(self::$instances[$key])) {

				return self::$instances[$key];

			}

		}

		return null; // just to be explicit

	}

	/**

	 * Clear the instance pool.

	 *

	 * @return     void

	 */

	public static function clearInstancePool()

	{

		self::$instances = array();

	}

	/**

	 * Method to invalidate the instance pool of all tables related to book

	 * by a foreign key with ON DELETE CASCADE

	 */

	public static function clearRelatedInstancePool()

	{

	}

	/**

	 * Retrieves a string version of the primary key from the DB resultset row that can be used to uniquely identify a row in this table.

	 *

	 * For tables with a single-column primary key, that simple pkey value will be returned.  For tables with

	 * a multi-column primary key, a serialize()d version of the primary key will be returned.

	 *

	 * @param      array $row PropelPDO resultset row.

	 * @param      int $startcol The 0-based offset for reading from the resultset row.

	 * @return     string A string version of PK or NULL if the components of primary key in result array are all null.

	 */

	public static function getPrimaryKeyHashFromRow($row, $startcol = 0)

	{

		// If the PK cannot be derived from the row, return NULL.

		if ($row[$startcol] === null) {

			return null;

		}

		return (string) $row[$startcol];

	}

	/**

	 * The returned array will contain objects of the default type or

	 * objects that inherit from the default.

	 *

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function populateObjects(PDOStatement $stmt)

	{

		$results = array();

		// set the class once to avoid overhead in the loop

		$cls = BookPeer::getOMClass(false);

		// populate the object(s)

		while ($row = $stmt->fetch(PDO::FETCH_NUM)) {

			$key = BookPeer::getPrimaryKeyHashFromRow($row, 0);

			if (null !== ($obj = BookPeer::getInstanceFromPool($key))) {

				// We no longer rehydrate the object, since this can cause data loss.

				// See http://propel.phpdb.org/trac/ticket/509

				// $obj->hydrate($row, 0, true); // rehydrate

				$results[] = $obj;

			} else {

				$obj = new $cls();

				$obj->hydrate($row);

				$results[] = $obj;

				BookPeer::addInstanceToPool($obj, $key);

			} // if key exists

		}

		$stmt->closeCursor();

		return $results;

	}

	/**

	 * Returns the TableMap related to this peer.

	 * This method is not needed for general use but a specific application could have a need.

	 * @return     TableMap

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function getTableMap()

	{

		return Propel::getDatabaseMap(self::DATABASE_NAME)->getTable(self::TABLE_NAME);

	}

	/**

	 * Add a TableMap instance to the database for this peer class.

	 */

	public static function buildTableMap()

	{

	  $dbMap = Propel::getDatabaseMap(BaseBookPeer::DATABASE_NAME);

	  if (!$dbMap->hasTable(BaseBookPeer::TABLE_NAME))

	  {

	    $dbMap->addTableObject(new BookTableMap());

	  }

	}

	/**

	 * The class that the Peer will make instances of.

	 *

	 * If $withPrefix is true, the returned path

	 * uses a dot-path notation which is tranalted into a path

	 * relative to a location on the PHP include_path.

	 * (e.g. path.to.MyClass -> 'path/to/MyClass.php')

	 *

	 * @param      boolean  Whether or not to return the path wit hthe class name

	 * @return     string path.to.ClassName

	 */

	public static function getOMClass($withPrefix = true)

	{

		return $withPrefix ? BookPeer::CLASS_DEFAULT : BookPeer::OM_CLASS;

	}

	/**

	 * Method perform an INSERT on the database, given a Book or Criteria object.

	 *

	 * @param      mixed $values Criteria or Book object containing data that is used to create the INSERT statement.

	 * @param      PropelPDO $con the PropelPDO connection to use

	 * @return     mixed The new primary key.

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function doInsert($values, PropelPDO $con = null)

	{

    // symfony_behaviors behavior

    foreach (sfMixer::getCallables('BaseBookPeer:doInsert:pre') as $sf_hook)

    {

      if (false !== $sf_hook_retval = call_user_func($sf_hook, 'BaseBookPeer', $values, $con))

      {

        return $sf_hook_retval;

      }

    }

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);

		}

		if ($values instanceof Criteria) {

			$criteria = clone $values; // rename for clarity

		} else {

			$criteria = $values->buildCriteria(); // build Criteria from Book object

		}

		if ($criteria->containsKey(BookPeer::ID) && $criteria->keyContainsValue(BookPeer::ID) ) {

			throw new PropelException('Cannot insert a value for auto-increment primary key ('.BookPeer::ID.')');

		}

		// Set the correct dbName

		$criteria->setDbName(self::DATABASE_NAME);

		try {

			// use transaction because $criteria could contain info

			// for more than one table (I guess, conceivably)

			$con->beginTransaction();

			$pk = BasePeer::doInsert($criteria, $con);

			$con->commit();

		} catch(PropelException $e) {

			$con->rollBack();

			throw $e;

		}

    // symfony_behaviors behavior

    foreach (sfMixer::getCallables('BaseBookPeer:doInsert:post') as $sf_hook)

    {

      call_user_func($sf_hook, 'BaseBookPeer', $values, $con, $pk);

    }

		return $pk;

	}

	/**

	 * Method perform an UPDATE on the database, given a Book or Criteria object.

	 *

	 * @param      mixed $values Criteria or Book object containing data that is used to create the UPDATE statement.

	 * @param      PropelPDO $con The connection to use (specify PropelPDO connection object to exert more control over transactions).

	 * @return     int The number of affected rows (if supported by underlying database driver).

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function doUpdate($values, PropelPDO $con = null)

	{

    // symfony_behaviors behavior

    foreach (sfMixer::getCallables('BaseBookPeer:doUpdate:pre') as $sf_hook)

    {

      if (false !== $sf_hook_retval = call_user_func($sf_hook, 'BaseBookPeer', $values, $con))

      {

        return $sf_hook_retval;

      }

    }

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);

		}

		$selectCriteria = new Criteria(self::DATABASE_NAME);

		if ($values instanceof Criteria) {

			$criteria = clone $values; // rename for clarity

			$comparison = $criteria->getComparison(BookPeer::ID);

			$selectCriteria->add(BookPeer::ID, $criteria->remove(BookPeer::ID), $comparison);

		} else { // $values is Book object

			$criteria = $values->buildCriteria(); // gets full criteria

			$selectCriteria = $values->buildPkeyCriteria(); // gets criteria w/ primary key(s)

		}

		// set the correct dbName

		$criteria->setDbName(self::DATABASE_NAME);

		$ret = BasePeer::doUpdate($selectCriteria, $criteria, $con);

    // symfony_behaviors behavior

    foreach (sfMixer::getCallables('BaseBookPeer:doUpdate:post') as $sf_hook)

    {

      call_user_func($sf_hook, 'BaseBookPeer', $values, $con, $ret);

    }

    return $ret;

	}

	/**

	 * Method to DELETE all rows from the book table.

	 *

	 * @return     int The number of affected rows (if supported by underlying database driver).

	 */

	public static function doDeleteAll($con = null)

	{

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);

		}

		$affectedRows = 0; // initialize var to track total num of affected rows

		try {

			// use transaction because $criteria could contain info

			// for more than one table or we could emulating ON DELETE CASCADE, etc.

			$con->beginTransaction();

			$affectedRows += BasePeer::doDeleteAll(BookPeer::TABLE_NAME, $con);

			// Because this db requires some delete cascade/set null emulation, we have to

			// clear the cached instance *after* the emulation has happened (since

			// instances get re-added by the select statement contained therein).

			BookPeer::clearInstancePool();

			BookPeer::clearRelatedInstancePool();

			$con->commit();

			return $affectedRows;

		} catch (PropelException $e) {

			$con->rollBack();

			throw $e;

		}

	}

	/**

	 * Method perform a DELETE on the database, given a Book or Criteria object OR a primary key value.

	 *

	 * @param      mixed $values Criteria or Book object or primary key or array of primary keys

	 *              which is used to create the DELETE statement

	 * @param      PropelPDO $con the connection to use

	 * @return     int 	The number of affected rows (if supported by underlying database driver).  This includes CASCADE-related rows

	 *				if supported by native driver or if emulated using Propel.

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	 public static function doDelete($values, PropelPDO $con = null)

	 {

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);

		}

		if ($values instanceof Criteria) {

			// invalidate the cache for all objects of this type, since we have no

			// way of knowing (without running a query) what objects should be invalidated

			// from the cache based on this Criteria.

			BookPeer::clearInstancePool();

			// rename for clarity

			$criteria = clone $values;

		} elseif ($values instanceof Book) { // it's a model object

			// invalidate the cache for this single object

			BookPeer::removeInstanceFromPool($values);

			// create criteria based on pk values

			$criteria = $values->buildPkeyCriteria();

		} else { // it's a primary key, or an array of pks

			$criteria = new Criteria(self::DATABASE_NAME);

			$criteria->add(BookPeer::ID, (array) $values, Criteria::IN);

			// invalidate the cache for this object(s)

			foreach ((array) $values as $singleval) {

				BookPeer::removeInstanceFromPool($singleval);

			}

		}

		// Set the correct dbName

		$criteria->setDbName(self::DATABASE_NAME);

		$affectedRows = 0; // initialize var to track total num of affected rows

		try {

			// use transaction because $criteria could contain info

			// for more than one table or we could emulating ON DELETE CASCADE, etc.

			$con->beginTransaction();

			$affectedRows += BasePeer::doDelete($criteria, $con);

			BookPeer::clearRelatedInstancePool();

			$con->commit();

			return $affectedRows;

		} catch (PropelException $e) {

			$con->rollBack();

			throw $e;

		}

	}

	/**

	 * Validates all modified columns of given Book object.

	 * If parameter $columns is either a single column name or an array of column names

	 * than only those columns are validated.

	 *

	 * NOTICE: This does not apply to primary or foreign keys for now.

	 *

	 * @param      Book $obj The object to validate.

	 * @param      mixed $cols Column name or array of column names.

	 *

	 * @return     mixed TRUE if all columns are valid or the error message of the first invalid column.

	 */

	public static function doValidate(Book $obj, $cols = null)

	{

		$columns = array();

		if ($cols) {

			$dbMap = Propel::getDatabaseMap(BookPeer::DATABASE_NAME);

			$tableMap = $dbMap->getTable(BookPeer::TABLE_NAME);

			if (! is_array($cols)) {

				$cols = array($cols);

			}

			foreach ($cols as $colName) {

				if ($tableMap->containsColumn($colName)) {

					$get = 'get' . $tableMap->getColumn($colName)->getPhpName();

					$columns[$colName] = $obj->$get();

				}

			}

		} else {

		}

		return BasePeer::doValidate(BookPeer::DATABASE_NAME, BookPeer::TABLE_NAME, $columns);

	}

	/**

	 * Retrieve a single object by pkey.

	 *

	 * @param      int $pk the primary key.

	 * @param      PropelPDO $con the connection to use

	 * @return     Book

	 */

	public static function retrieveByPK($pk, PropelPDO $con = null)

	{

		if (null !== ($obj = BookPeer::getInstanceFromPool((string) $pk))) {

			return $obj;

		}

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_READ);

		}

		$criteria = new Criteria(BookPeer::DATABASE_NAME);

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

		$v = BookPeer::doSelect($criteria, $con);

		return !empty($v) > 0 ? $v[0] : null;

	}

	/**

	 * Retrieve multiple objects by pkey.

	 *

	 * @param      array $pks List of primary keys

	 * @param      PropelPDO $con the connection to use

	 * @throws     PropelException Any exceptions caught during processing will be

	 *		 rethrown wrapped into a PropelException.

	 */

	public static function retrieveByPKs($pks, PropelPDO $con = null)

	{

		if ($con === null) {

			$con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_READ);

		}

		$objs = null;

		if (empty($pks)) {

			$objs = array();

		} else {

			$criteria = new Criteria(BookPeer::DATABASE_NAME);

			$criteria->add(BookPeer::ID, $pks, Criteria::IN);

			$objs = BookPeer::doSelect($criteria, $con);

		}

		return $objs;

	}

	// symfony behavior

	/**

	 * Returns an array of arrays that contain columns in each unique index.

	 *

	 * @return array

	 */

	static public function getUniqueColumnNames()

	{

	  return array();

	}

	// symfony_behaviors behavior

	/**

	 * Returns the name of the hook to call from inside the supplied method.

	 *

	 * @param string $method The calling method

	 *

	 * @return string A hook name for {@link sfMixer}

	 *

	 * @throws LogicException If the method name is not recognized

	 */

	static private function getMixerPreSelectHook($method)

	{

	  if (preg_match('/^do(Select|Count)(Join(All(Except)?)?|Stmt)?/', $method, $match))

	  {

	    return sprintf('BaseBookPeer:%s:%1$s', 'Count' == $match[1] ? 'doCount' : $match[0]);

	  }

	  throw new LogicException(sprintf('Unrecognized function "%s"', $method));

	}

} // BaseBookPeer

// This is the static code needed to register the TableMap for this table with the main Propel class.

//

BaseBookPeer::buildTableMap();