public function processData($callback)
{
$this->rows = parent::getData();
$tuples = array();
$last = $this->getFrom();
foreach ($this->rows as $row) {
$delta = $row[0] - $last;
$tuple = $callback(array((double) $row[0], (double) $row[1] / $row[2], (int) $row[2]));
if (is_null($this->max) || $tuple[1] > $this->max[1]) {
$this->max = $tuple;
}
if (is_null($this->min) || $tuple[1] < $this->min[1]) {
$this->min = $tuple;
}
$this->consumption += $tuple[1] * $delta;
$tuples[] = $tuple;
$last = $row[0];
}
return $tuples;
}
/**
* Raw pulse to power conversion
*
* @param $callback a callback called each iteration for output
* @return array with timestamp, values, and pulse count
*/
public function processData($callback)
{
$tuples = array();
$this->rows = parent::getData();
$this->resolution = $this->channel->getProperty('resolution');
$this->pulseCount = 0;
$last = $this->getFrom();
foreach ($this->rows as $row) {
$delta = $row[0] - $last;
$tuple = $callback(array((double) $last, (double) ($row[1] * 3600000000.0) / ($this->resolution * $delta), (int) $row[2]));
if (is_null($this->max) || $tuple[1] > $this->max[1]) {
$this->max = $tuple;
}
if (is_null($this->min) || $tuple[1] < $this->min[1]) {
$this->min = $tuple;
}
$this->pulseCount += $row[1];
$tuples[] = $tuple;
$last = $row[0];
}
return $tuples;
}