JoinResultIterator Class Reference

Inherits Iterator, and Countable.

Public Member Functions
	__construct ($join, $constraints)
	count ()
	rewind ()
	current ()
	valid ()
	next ()
	key ()

Public Attributes
	$join
	$constraints
	$query
	$result
	$current = null
	$position = -1
	$item

Detailed Description

Definition at line 121 of file join.inc.

Constructor & Destructor Documentation

__construct()

JoinResultIterator::__construct	(		$join,
			$constraints
	)

Definition at line 131 of file join.inc.

     {
          $this->join = $join;
          $this->constraints = $constraints;
          $this->item = new JoinResult();
          for($i = 0; $i < count($join->classes); ++$i)
          {
               $class = $join->classes[$i];
               $this->item->$class = new $class;  
          }
 
          $this->query = $join->generateQuery($constraints);
     }

Member Function Documentation

count()

JoinResultIterator::count

(

)

Definition at line 145 of file join.inc.

     {
          $this->rewind();
          trace("Number of Rows: {$this->rowCount}", 4);
          
          return $this->rowCount;
     }

current()

JoinResultIterator::current

(

)

Definition at line 179 of file join.inc.

     {
          for($i = 0; $i < count($this->join->classes); ++$i)
          {
               $class = $this->join->classes[$i];
               $this->item->$class->populate($this->current, $this->join->aliases[$this->item->$class->table]);
          }
 
          foreach($this->join->pseudos as $class => $lookup)
          {
               foreach($this->join->aliases as $table => $prefix)
               {
                    $keyAlias = "{$prefix}.{$lookup['index']}";
                    
                    $key = $this->current[$keyAlias];
                    
                    if (array_key_exists($key, $lookup['items']))
                    {
                         $this->item->$class = $lookup['items'][$key];
                         break;
                    }
               }
          }
          
          return $this->item;
     }

key()

JoinResultIterator::key

(

)

Definition at line 217 of file join.inc.

     {
          return $this->position;
     }

next()

JoinResultIterator::next

(

)

Definition at line 211 of file join.inc.

     {
          $this->current = $this->result->fetch();
          ++$this->position;
     }

rewind()

JoinResultIterator::rewind

(

)

Definition at line 153 of file join.inc.

     {
          if ($this->position == 0) return;
          
          $this->current = null;
          $this->position = 0;
          
          if (!$this->query)
          {
               $this->query = $this->join->generateQuery($this->constraints);        
          }
          
          try
          {
               $db = ConnectionManager::getConnection();
               $this->result = $db->prepare($this->query);
               $this->result->execute();
               $this->rowCount = $this->result->rowCount();
               $this->current = $this->result->fetch();
          }
          catch(PDOException $e)
          {
               throw new FakoliException($e->getMessage());
          }
     }

valid()

JoinResultIterator::valid

(

)

Definition at line 206 of file join.inc.

     {
          return ($this->current != null);
     }

Member Data Documentation

$constraints

JoinResultIterator::$constraints

Definition at line 124 of file join.inc.

$current

JoinResultIterator::$current = null

Definition at line 127 of file join.inc.

$item

JoinResultIterator::$item

Definition at line 129 of file join.inc.

$join

JoinResultIterator::$join

Definition at line 123 of file join.inc.

$position

JoinResultIterator::$position = -1

Definition at line 128 of file join.inc.

$query

JoinResultIterator::$query

Definition at line 125 of file join.inc.

$result

JoinResultIterator::$result

Definition at line 126 of file join.inc.

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The documentation for this class was generated from the following file:

• C:/code/cms.sonjara.com/framework/join.inc