forked from rebillar/site-accueil-insa
73 lines
1.7 KiB
PHP
73 lines
1.7 KiB
PHP
<?php
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/**
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* Matomo - free/libre analytics platform
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*
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* @link https://matomo.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik\Columns;
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use Exception;
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/**
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* @api
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* @since 3.1.0
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*/
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class Discriminator
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{
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private $table;
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private $discriminatorColumn;
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private $discriminatorValue;
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/**
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* Join constructor.
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* @param string $table unprefixed table name
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* @param null|string $discriminatorColumn
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* @param null|int $discriminatorValue should be only hard coded, safe values.
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* @throws Exception
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*/
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public function __construct($table, $discriminatorColumn = null, $discriminatorValue = null)
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{
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if (empty($discriminatorColumn) || !isset($discriminatorValue)) {
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throw new Exception('Both discriminatorColumn and discriminatorValue need to be defined');
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}
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$this->table = $table;
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$this->discriminatorColumn = $discriminatorColumn;
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$this->discriminatorValue = $discriminatorValue;
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if (!$this->isValid()) {
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// if adding another string value please post an event instead to get a list of allowed values
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throw new Exception('$discriminatorValue needs to be null or numeric');
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}
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}
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public function isValid()
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{
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return isset($this->discriminatorColumn) && is_numeric($this->discriminatorValue);
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}
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/**
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* @return string
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*/
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public function getTable()
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{
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return $this->table;
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}
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/**
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* @return string
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*/
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public function getColumn()
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{
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return $this->discriminatorColumn;
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}
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/**
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* @return int|null
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*/
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public function getValue()
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{
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return $this->discriminatorValue;
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}
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}
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