DivinerDiskCache.php
b6d745b66687stable

DivinerDiskCache.php
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			<?php

			abstract class DivinerDiskCache extends Phobject {

			private $cache;

			public function __construct($cache_directory, $name) {
			$dir_cache = id(new PhutilDirectoryKeyValueCache())
			->setCacheDirectory($cache_directory);
			$profiled_cache = id(new PhutilKeyValueCacheProfiler($dir_cache))
			->setProfiler(PhutilServiceProfiler::getInstance())
			->setName($name);
			$this->cache = $profiled_cache;
			}

			protected function getCache() {
			return $this->cache;
			}

			public function delete() {
			$this->getCache()->destroyCache();
			return $this;
			}

			/**
			* Convert a long-form hash key like `ccbbaaaaaaaaaaaaaaaaaaaaaaaaaaaaN` into
			* a shortened directory form, like `cc/bb/aaaaaaaaN`. In conjunction with
			* @{class:PhutilDirectoryKeyValueCache}, this gives us nice directories
			* inside .divinercache instead of a million hash files with huge names at
			* top level.
			*/
			protected function getHashKey($hash) {
			return implode(
			'/',
			array(
			substr($hash, 0, 2),
			substr($hash, 2, 2),
			substr($hash, 4, 8),
			));
			}

			}