/**
	 * Returns a new EdtHorairesEtablissementQuery object.
	 *
	 * @param     string $modelAlias The alias of a model in the query
	 * @param     Criteria $criteria Optional Criteria to build the query from
	 *
	 * @return    EdtHorairesEtablissementQuery
	 */
	public static function create($modelAlias = null, $criteria = null)
	{
		if ($criteria instanceof EdtHorairesEtablissementQuery) {
			return $criteria;
		}
		$query = new EdtHorairesEtablissementQuery();
		if (null !== $modelAlias) {
			$query->setModelAlias($modelAlias);
		}
		if ($criteria instanceof Criteria) {
			$query->mergeWith($criteria);
		}
		return $query;
	}
	/**
	 * Removes this object from datastore and sets delete attribute.
	 *
	 * @param      PropelPDO $con
	 * @return     void
	 * @throws     PropelException
	 * @see        BaseObject::setDeleted()
	 * @see        BaseObject::isDeleted()
	 */
	public function delete(PropelPDO $con = null)
	{
		if ($this->isDeleted()) {
			throw new PropelException("This object has already been deleted.");
		}

		if ($con === null) {
			$con = Propel::getConnection(EdtHorairesEtablissementPeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
		}

		$con->beginTransaction();
		try {
			$deleteQuery = EdtHorairesEtablissementQuery::create()
				->filterByPrimaryKey($this->getPrimaryKey());
			$ret = $this->preDelete($con);
			if ($ret) {
				$deleteQuery->delete($con);
				$this->postDelete($con);
				$con->commit();
				$this->setDeleted(true);
			} else {
				$con->commit();
			}
		} catch (Exception $e) {
			$con->rollBack();
			throw $e;
		}
	}
  /**
   * Renvoie la liste des creneaux de la journee
   *
   * @return PropelObjectCollection EdtCreneau
   */
    public static function retrieveAllEdtHorairesEtablissement(){
	    if (self::$_all_horaires == null) {
		self::$_all_horaires = EdtHorairesEtablissementQuery::create()->find();
	    }
	    return clone self::$_all_horaires;
    }