123 lines
No EOL
3.1 KiB
PHP
123 lines
No EOL
3.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2010, The volkszaehler.org project
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* @package default
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* @license http://www.opensource.org/licenses/gpl-license.php GNU Public License
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* volkzaehler.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Volkszaehler\Model;
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use Doctrine\ORM\Mapping;
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use Volkszaehler\Interpreter;
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use Doctrine\ORM;
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use Doctrine\Common\Collections;
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use Doctrine\Common\Collections\ArrayCollection;
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/**
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* Aggregator entity
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*
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* @author Steffen Vogel <info@steffenvogel.de>
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* @package default
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* @todo use nested sets: http://github.com/blt04/doctrine2-nestedset
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*
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* @Entity
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*/
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class Aggregator extends Entity {
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/**
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* @ManyToMany(targetEntity="Entity", inversedBy="parents")
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* @JoinTable(name="entities_in_aggregator",
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* joinColumns={@JoinColumn(name="parent_id", referencedColumnName="id")},
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* inverseJoinColumns={@JoinColumn(name="child_id", referencedColumnName="id")}
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* )
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*/
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protected $children = NULL;
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/**
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* Construct
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*/
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public function __construct($properties = array()) {
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parent::__construct($properties);
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$this->channels = new ArrayCollection();
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$this->children = new ArrayCollection();
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}
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/**
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* Adds entity as new child
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*
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* @param Entity $child
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* @todo check if the entity is already member of the group
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* @todo add bidrectional association
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*/
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public function addChild(Entity $child) {
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if ($this->children->contains($child)) {
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throw new \Exception('Entity is already a child of the group');
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}
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if ($child instanceof Aggregator && $child->contains($this)) {
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throw new \Exception('Recursion detected! Can\'t group to itself');
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}
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$this->children->add($child);
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}
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/**
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* Checks if aggregator contains given entity
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*
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* @param Entity $entity
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* @param boolean $recursive should we search recursivly?
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*/
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protected function contains(Entity $entity, $recursive = FALSE) {
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if ($this->children->contains($entity)) {
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return TRUE;
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}
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if ($recursive) {
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foreach ($this->children as $child) {
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if ($child->contains($entity, $recursive)) {
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return TRUE;
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}
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}
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}
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return FALSE;
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}
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/**
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* Remove child from group
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*
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* @param Entity $child
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* @todo check if the entity is member of the group
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* @todo add bidrectional association
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*/
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public function removeChild(Entity $child) {
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if (!$this->children->removeElement($child)) {
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throw new \Exception('This entity is not a child of this group');
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}
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}
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/*
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* Setter & getter
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*/
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public function getChildren() { return $this->children->toArray(); }
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}
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?>
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