90 lines
2.7 KiB
PHP
90 lines
2.7 KiB
PHP
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<?php
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/*
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* Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License (either version 2 or
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* version 3) as published by the Free Software Foundation.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* For more information on the GPL, please go to:
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* http://www.gnu.org/copyleft/gpl.html
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*/
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namespace Volkszaehler\Model\Channel;
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use Doctrine\Common\Collections\ArrayCollection;
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/**
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* Channel class
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*
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* @Entity
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* @Table(name="channels")
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* @InheritanceType("SINGLE_TABLE")
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* @DiscriminatorColumn(name="type", type="string")
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* @DiscriminatorMap({
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* "meter" = "Meter",
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* "sensor" = "Sensor"
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* })
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*/
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abstract class Channel extends \Volkszaehler\Model\Entity {
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/** @Column(type="string") */
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protected $name;
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/** @Column(type="string") */
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protected $description;
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/** @Column(type="string") */
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protected $indicator;
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/**
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* @OneToMany(targetEntity="Volkszaehler\Model\Data", mappedBy="channel"), cascade={"remove"}
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*/
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private $data = NULL;
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/*
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* constructor
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*/
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public function __construct($indicator) {
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parent::__construct();
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$this->indicator = $indicator;
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$this->data = new ArrayCollection();
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}
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/*
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* getter & setter
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*/
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public function getName() { return $this->name; }
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public function setName($name) { $this->name = $name; }
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public function getDescription() { return $this->description; }
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public function setDescription($description) { $this->description = $description; }
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public function getUnit() { return static::$indicators[$this->indicator]; }
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public function getIndicator() { return $this->indicator; }
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/*
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* add a new data to the database
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*/
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public function addData(\Volkszaehler\Model\Data $data) {
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$this->data->add($data);
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}
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/*
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* obtain channels data interpreter to calculate statistical information
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*/
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public function getInterpreter(\Doctrine\ORM\EntityManager $em) {
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$interpreterClassName = 'Volkszaehler\Interpreter\\' . substr(strrchr(get_class($this), '\\'), 1);
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if (!(\Volkszaehler\Util\ClassLoader::classExists($interpreterClassName)) || !is_subclass_of($interpreterClassName, '\Volkszaehler\Interpreter\Interpreter')) {
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throw new \InvalidArgumentException('\'' . $interpreterClassName . '\' is not a valid Interpreter');
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}
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return new $interpreterClassName($this, $em);
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}
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}
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