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   1  <?php
   2  
   3  /**
   4   * Configuration source which proxies some other configuration source.
   5   */
   6  abstract class PhabricatorConfigProxySource
   7    extends PhabricatorConfigSource {
   8  
   9    private $source;
  10  
  11    final protected function getSource() {
  12      if (!$this->source) {
  13        throw new Exception('No configuration source set!');
  14      }
  15      return $this->source;
  16    }
  17  
  18    final protected function setSource(PhabricatorConfigSource $source) {
  19      $this->source = $source;
  20      return $this;
  21    }
  22  
  23    public function getAllKeys() {
  24      return $this->getSource()->getAllKeys();
  25    }
  26  
  27    public function getKeys(array $keys) {
  28      return $this->getSource()->getKeys($keys);
  29    }
  30  
  31    public function canWrite() {
  32      return $this->getSource()->canWrite();
  33    }
  34  
  35    public function setKeys(array $keys) {
  36      $this->getSource()->setKeys($keys);
  37      return $this;
  38    }
  39  
  40    public function deleteKeys(array $keys) {
  41      $this->getSource()->deleteKeys($keys);
  42      return $this;
  43    }
  44  
  45    public function setName($name) {
  46      $this->getSource()->setName($name);
  47      return $this;
  48    }
  49  
  50    public function getName() {
  51      return $this->getSource()->getName();
  52    }
  53  
  54  }