/**
* When called with data, some identification key and an aggregation container, the function should attempt to resolve
* some kind of aggregation and store the result to the aggregation container.
*
* The aggregation may require many values to work out it's result or provide multiple results, this is why an
* aggregation container is used to store the different aggregated value. Normally, this aggregation container is the
* groupResult object but it could be something else in other cases.
*
* @param AggregationValueContainerInterface $container Container which implements aggregation data containment facilities
* @param mixed $data Data to be used in the grouping operation
* @param mixed $key Identification key to be used in the grouping operation
*
* @access public
*/
function aggregate(AggregationValueContainerInterface $container, $data, $key)
{
//If the value doesn't exist, just create it with a 1
if ($container->hasAggregationValue($this->getName()) == false) {
$container->addAggregationValue(1, $this->getName());
return;
}
//Increment the value
$container->setAggregationValue($container->getAggregationValue($this->getName()) + 1, $this->getName());
}
/**
* When called with data, some identification key and an aggregation container, the function should attempt to resolve
* some kind of aggregation and store the result to the aggregation container.
*
* The aggregation may require many values to work out it's result or provide multiple results, this is why an
* aggregation container is used to store the different aggregated value. Normally, this aggregation container is the
* groupResult object but it could be something else in other cases.
*
* @param AggregationValueContainerInterface $container Container which implements aggregation data containment facilities
* @param mixed $data Data to be used in the grouping operation
* @param mixed $key Identification key to be used in the grouping operation
*
* @access public
*/
function aggregate(AggregationValueContainerInterface $container, $data, $key)
{
//If the value doesn't exist, just create it with a
if ($container->hasAggregationValue($this->getName()) == false) {
$container->addAggregationValue(0, $this->getName());
}
//Call the closure
$closure = $this->getClosure();
$closure_value = $closure($data, $key);
//Increment the sum
$container->setAggregationValue($container->getAggregationValue($this->getName()) + $closure_value, $this->getName());
}
/**
* When called with data, some identification key and an aggregation container, the function should attempt to resolve
* some kind of aggregation and store the result to the aggregation container.
*
* The aggregation may require many values to work out it's result or provide multiple results, this is why an
* aggregation container is used to store the different aggregated value. Normally, this aggregation container is the
* groupResult object but it could be something else in other cases.
*
* @param AggregationValueContainerInterface $container Container which implements aggregation data containment facilities
* @param mixed $data Data to be used in the grouping operation
* @param mixed $key Identification key to be used in the grouping operation
*
* @access public
*/
function aggregate(AggregationValueContainerInterface $container, $data, $key)
{
//Call the closure
$closure = $this->getClosure();
$closure_value = $closure($data, $key);
//If the value doesn't exist, just create it with a default value
if ($container->hasAggregationValue($this->getName()) == false) {
$container->addAggregationValue($closure_value, $this->getName());
} else {
$current_value = $container->getAggregationValue($this->getName());
$container->setAggregationValue($current_value > $closure_value ? $current_value : $closure_value, $this->getName());
}
}
