nur-sery/nur_src/mapper/base/MapperAggregate.php

72 lines
2.0 KiB
PHP

<?php
namespace nur\mapper\base;
use ArrayAccess;
use nur\b\coll\TBaseArray;
use nur\b\coll\TGenericArray;
use nur\mapper\base\oobd\IOobdManager;
/**
* Class MapperAggregate: un aggrégateur de mappers
*/
class MapperAggregate extends Mapper implements ArrayAccess {
use TBaseArray, TGenericArray;
function set($key, $mapper): self { return $this->_set($key, mapper_utils::ensure_mapper_class($mapper)); }
function add($mapper): self { return $this->_set(null, mapper_utils::ensure_mapper_class($mapper)); }
function setup(): void {
parent::setup();
$this->producer = new PushProducer();
$this->iterator = mapper_utils::assemble_mappers($this->data, $this->producer);
}
/** @var PushProducer */
private $producer;
/** @var Mapper */
private $iterator;
function hasOvalue(string $name): bool {
if ($this->_hasOobdValue($name)) {
return true;
} elseif ($this->sharedOobdManager !== null
&& $this->sharedOobdManager->hasOvalue($name)) {
return true;
} elseif ($this->iterator instanceof IOobdManager) {
return $this->iterator->hasOvalue($name);
}
return false;
}
/**
* c'est la méthode {@link setup()} qui contruit $this->iterator. l'accès
* aux données OOB de la chaine de mapper n'est donc possible que dans la
* méthodes {@link mapper()}
*/
function getOvalue(string $name, $default=null) {
if ($this->_hasOobdValue($name)) {
return $this->_getOobdValue($name, $default);
} elseif ($this->sharedOobdManager !== null
&& $this->sharedOobdManager->hasOvalue($name)) {
return $this->sharedOobdManager->getOvalue($name, $default);
} elseif ($this->iterator instanceof IOobdManager) {
return $this->iterator->getOvalue($name, $default);
}
return null;
}
function mapper($item) {
$this->producer->push($item);
return $this->mapTo($this->iterator);
}
function teardown(): void {
parent::teardown();
$this->producer->close();
$this->producer = null;
$this->iterator->close();
$this->iterator = null;
}
}