PHP BookPeer::getInstanceFromPool方法代码示例

 /**
  * 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;
 }

 /**
  * Selects a collection of Article objects pre-filled with all related objects except Category.
  *
  * @param      Criteria  $criteria
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return     array Array of Article objects.
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptCategory(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $criteria = clone $criteria;
     // Set the correct dbName if it has not been overridden
     // $criteria->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($criteria->getDbName() == Propel::getDefaultDB()) {
         $criteria->setDbName(self::DATABASE_NAME);
     }
     ArticlePeer::addSelectColumns($criteria);
     $startcol2 = ArticlePeer::NUM_COLUMNS - ArticlePeer::NUM_LAZY_LOAD_COLUMNS;
     BookPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + (BookPeer::NUM_COLUMNS - BookPeer::NUM_LAZY_LOAD_COLUMNS);
     $criteria->addJoin(ArticlePeer::BOOK_ID, BookPeer::ID, $join_behavior);
     // symfony_behaviors behavior
     foreach (sfMixer::getCallables(self::getMixerPreSelectHook(__FUNCTION__)) as $sf_hook) {
         call_user_func($sf_hook, 'BaseArticlePeer', $criteria, $con);
     }
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = ArticlePeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = ArticlePeer::getInstanceFromPool($key1))) {
             // We no longer rehydrate the object, since this can cause data loss.
             // See http://propel.phpdb.org/trac/ticket/509
             // $obj1->hydrate($row, 0, true); // rehydrate
         } else {
             $cls = ArticlePeer::getOMClass(false);
             $obj1 = new $cls();
             $obj1->hydrate($row);
             ArticlePeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Book rows
         $key2 = BookPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = BookPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = BookPeer::getOMClass(false);
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 BookPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (Article) to the collection in $obj2 (Book)
             $obj2->addArticle($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }

 public static function doSelectJoinAllExceptCategory(Criteria $c, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     foreach (sfMixer::getCallables('BaseArticlePeer:doSelectJoinAllExcept:doSelectJoinAllExcept') as $callable) {
         call_user_func($callable, 'BaseArticlePeer', $c, $con);
     }
     $c = clone $c;
     if ($c->getDbName() == Propel::getDefaultDB()) {
         $c->setDbName(self::DATABASE_NAME);
     }
     ArticlePeer::addSelectColumns($c);
     $startcol2 = ArticlePeer::NUM_COLUMNS - ArticlePeer::NUM_LAZY_LOAD_COLUMNS;
     BookPeer::addSelectColumns($c);
     $startcol3 = $startcol2 + (BookPeer::NUM_COLUMNS - BookPeer::NUM_LAZY_LOAD_COLUMNS);
     $c->addJoin(array(ArticlePeer::BOOK_ID), array(BookPeer::ID), $join_behavior);
     $stmt = BasePeer::doSelect($c, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = ArticlePeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = ArticlePeer::getInstanceFromPool($key1))) {
         } else {
             $omClass = ArticlePeer::getOMClass();
             $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
             $obj1 = new $cls();
             $obj1->hydrate($row);
             ArticlePeer::addInstanceToPool($obj1, $key1);
         }
         $key2 = BookPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = BookPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $omClass = BookPeer::getOMClass();
                 $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 BookPeer::addInstanceToPool($obj2, $key2);
             }
             $obj2->addArticle($obj1);
         }
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }

 /**
  * Find object by primary key.
  * Propel uses the instance pool to skip the database if the object exists.
  * Go fast if the query is untouched.
  *
  * <code>
  * $obj  = $c->findPk(12, $con);
  * </code>
  *
  * @param mixed $key Primary key to use for the query
  * @param     PropelPDO $con an optional connection object
  *
  * @return   Book|Book[]|mixed the result, formatted by the current formatter
  */
 public function findPk($key, $con = null)
 {
     if ($key === null) {
         return null;
     }
     if (null !== ($obj = BookPeer::getInstanceFromPool((string) $key)) && !$this->formatter) {
         // the object is already in the instance pool
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(BookPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $this->basePreSelect($con);
     if ($this->formatter || $this->modelAlias || $this->with || $this->select || $this->selectColumns || $this->asColumns || $this->selectModifiers || $this->map || $this->having || $this->joins) {
         return $this->findPkComplex($key, $con);
     } else {
         return $this->findPkSimple($key, $con);
     }
 }

 /**
  * Find object by primary key
  * Use instance pooling to avoid a database query if the object exists
  * <code>
  * $obj  = $c->findPk(12, $con);
  * </code>
  * @param     mixed $key Primary key to use for the query
  * @param     PropelPDO $con an optional connection object
  *
  * @return    Book|array|mixed the result, formatted by the current formatter
  */
 public function findPk($key, $con = null)
 {
     if (null !== ($obj = BookPeer::getInstanceFromPool((string) $key)) && $this->getFormatter()->isObjectFormatter()) {
         // the object is alredy in the instance pool
         return $obj;
     } else {
         // the object has not been requested yet, or the formatter is not an object formatter
         $criteria = $this->isKeepQuery() ? clone $this : $this;
         $stmt = $criteria->filterByPrimaryKey($key)->getSelectStatement($con);
         return $criteria->getFormatter()->init($criteria)->formatOne($stmt);
     }
 }

 /**
  * Selects a collection of Item objects pre-filled with all related objects except ItemRelatedByPackageId.
  *
  * @param      Criteria  $criteria
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return     array Array of Item objects.
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptItemRelatedByPackageId(Criteria $criteria, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     $criteria = clone $criteria;
     // Set the correct dbName if it has not been overridden
     // $criteria->getDbName() will return the same object if not set to another value
     // so == check is okay and faster
     if ($criteria->getDbName() == Propel::getDefaultDB()) {
         $criteria->setDbName(self::DATABASE_NAME);
     }
     ItemPeer::addSelectColumns($criteria);
     $startcol2 = ItemPeer::NUM_HYDRATE_COLUMNS;
     BookPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + BookPeer::NUM_HYDRATE_COLUMNS;
     $criteria->addJoin(ItemPeer::ISBN, BookPeer::ISBN, $join_behavior);
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = ItemPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = ItemPeer::getInstanceFromPool($key1))) {
             // We no longer rehydrate the object, since this can cause data loss.
             // See http://www.propelorm.org/ticket/509
             // $obj1->hydrate($row, 0, true); // rehydrate
         } else {
             $cls = ItemPeer::getOMClass();
             $obj1 = new $cls();
             $obj1->hydrate($row);
             ItemPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Book rows
         $key2 = BookPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = BookPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = BookPeer::getOMClass();
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 BookPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (Item) to the collection in $obj2 (Book)
             $obj2->addItem($obj1);
         }
         // if joined row is not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }