PHP TagPeer::getInstanceFromPool方法代码示例

 /**
  * Selects a collection of Tagging objects pre-filled with all related objects.
  *
  * @param      Criteria  $c
  * @param      PropelPDO $con
  * @param      String    $join_behavior the type of joins to use, defaults to Criteria::LEFT_JOIN
  * @return     array Array of Tagging objects.
  * @throws     PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAll(Criteria $c, $con = null, $join_behavior = Criteria::LEFT_JOIN)
 {
     foreach (sfMixer::getCallables('BaseTaggingPeer:doSelectJoinAll:doSelectJoinAll') as $callable) {
         call_user_func($callable, 'BaseTaggingPeer', $c, $con);
     }
     $c = clone $c;
     // Set the correct dbName if it has not been overridden
     if ($c->getDbName() == Propel::getDefaultDB()) {
         $c->setDbName(self::DATABASE_NAME);
     }
     TaggingPeer::addSelectColumns($c);
     $startcol2 = TaggingPeer::NUM_COLUMNS - TaggingPeer::NUM_LAZY_LOAD_COLUMNS;
     TagPeer::addSelectColumns($c);
     $startcol3 = $startcol2 + (TagPeer::NUM_COLUMNS - TagPeer::NUM_LAZY_LOAD_COLUMNS);
     $c->addJoin(array(TaggingPeer::TAG_ID), array(TagPeer::ID), $join_behavior);
     $stmt = BasePeer::doSelect($c, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = TaggingPeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = TaggingPeer::getInstanceFromPool($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 {
             $omClass = TaggingPeer::getOMClass();
             $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
             $obj1 = new $cls();
             $obj1->hydrate($row);
             TaggingPeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Tag rows
         $key2 = TagPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = TagPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $omClass = TagPeer::getOMClass();
                 $cls = substr('.' . $omClass, strrpos('.' . $omClass, '.') + 1);
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 TagPeer::addInstanceToPool($obj2, $key2);
             }
             // if obj2 loaded
             // Add the $obj1 (Tagging) to the collection in $obj2 (Tag)
             $obj2->addTagging($obj1);
         }
         // if joined row not null
         $results[] = $obj1;
     }
     $stmt->closeCursor();
     return $results;
 }

 /**
  * Retrieve a single object by pkey.
  *
  * @param int $pk the primary key.
  * @param      PropelPDO $con the connection to use
  * @return Tag
  */
 public static function retrieveByPK($pk, PropelPDO $con = null)
 {
     if (null !== ($obj = TagPeer::getInstanceFromPool((string) $pk))) {
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(TagPeer::DATABASE_NAME, Propel::CONNECTION_READ);
     }
     $criteria = new Criteria(TagPeer::DATABASE_NAME);
     $criteria->add(TagPeer::ID, $pk);
     $v = TagPeer::doSelect($criteria, $con);
     return !empty($v) > 0 ? $v[0] : null;
 }

 /**
  * Selects a collection of TagInstance objects pre-filled with all related objects except UserRelatedByUpdatedBy.
  *
  * @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 TagInstance objects.
  * @throws PropelException Any exceptions caught during processing will be
  *		 rethrown wrapped into a PropelException.
  */
 public static function doSelectJoinAllExceptUserRelatedByUpdatedBy(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()) {
         $criteria->setDbName(TagInstancePeer::DATABASE_NAME);
     }
     TagInstancePeer::addSelectColumns($criteria);
     $startcol2 = TagInstancePeer::NUM_HYDRATE_COLUMNS;
     TagPeer::addSelectColumns($criteria);
     $startcol3 = $startcol2 + TagPeer::NUM_HYDRATE_COLUMNS;
     $criteria->addJoin(TagInstancePeer::TAG_ID, TagPeer::ID, $join_behavior);
     $stmt = BasePeer::doSelect($criteria, $con);
     $results = array();
     while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
         $key1 = TagInstancePeer::getPrimaryKeyHashFromRow($row, 0);
         if (null !== ($obj1 = TagInstancePeer::getInstanceFromPool($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 = TagInstancePeer::getOMClass();
             $obj1 = new $cls();
             $obj1->hydrate($row);
             TagInstancePeer::addInstanceToPool($obj1, $key1);
         }
         // if obj1 already loaded
         // Add objects for joined Tag rows
         $key2 = TagPeer::getPrimaryKeyHashFromRow($row, $startcol2);
         if ($key2 !== null) {
             $obj2 = TagPeer::getInstanceFromPool($key2);
             if (!$obj2) {
                 $cls = TagPeer::getOMClass();
                 $obj2 = new $cls();
                 $obj2->hydrate($row, $startcol2);
                 TagPeer::addInstanceToPool($obj2, $key2);
             }
             // if $obj2 already loaded
             // Add the $obj1 (TagInstance) to the collection in $obj2 (Tag)
             $obj2->addTagInstance($obj1);
         }
         // if joined row is not null
         $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 $con an optional connection object
  *
  * @return   Tag|Tag[]|mixed the result, formatted by the current formatter
  */
 public function findPk($key, $con = null)
 {
     if ($key === null) {
         return null;
     }
     if (null !== ($obj = TagPeer::getInstanceFromPool((string) $key)) && !$this->formatter) {
         // the object is already in the instance pool
         return $obj;
     }
     if ($con === null) {
         $con = Propel::getConnection(TagPeer::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);
     }
 }