public function CerFieldHandler::seek in Corresponding Entity References 7.3

Implements SeekableIterator::seek().

File

includes/CerFieldHandler.inc, line 255

Contains CerFieldHandler.

Class

CerFieldHandler

@class Handles low-level operations for a single field on a single entity. Exposes methods to add, delete and check for references. This will also iterate over the references, returning each one as an EntityDrupalWrapper object.

Code

public function seek($position) {
  $length = $this
    ->count();
  if ($position < 0) {
    $position += $length;
  }
  if ($position >= 0 && $position < $length) {
    $this->delta = $position;
  }
  else {
    throw new OutOfBoundsException(t('Cannot seek to invalid position.'));
  }
}