DivinerPublishCache.php
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	<?php

	final class DivinerPublishCache extends DivinerDiskCache {

	private $pathMap;
	private $index;

	public function __construct($cache_directory) {
	return parent::__construct($cache_directory, 'diviner-publish-cache');
	}


	/* -( Path Map )----------------------------------------------------------- */


	public function getPathMap() {
	if ($this->pathMap === null) {
	$this->pathMap = $this->getCache()->getKey('path', array());
	}
	return $this->pathMap;
	}

	public function writePathMap() {
	$this->getCache()->setKey('path', $this->getPathMap());
	}

	public function getAtomPathsFromCache($hash) {
	return idx($this->getPathMap(), $hash, array());
	}

	public function removeAtomPathsFromCache($hash) {
	$map = $this->getPathMap();
	unset($map[$hash]);
	$this->pathMap = $map;
	return $this;
	}

	public function addAtomPathsToCache($hash, array $paths) {
	$map = $this->getPathMap();
	$map[$hash] = $paths;
	$this->pathMap = $map;
	return $this;
	}


	/* -( Index )-------------------------------------------------------------- */

	public function getIndex() {
	if ($this->index === null) {
	$this->index = $this->getCache()->getKey('index', array());
	}
	return $this->index;
	}

	public function writeIndex() {
	$this->getCache()->setKey('index', $this->getIndex());
	}

	public function deleteAtomFromIndex($hash) {
	$index = $this->getIndex();
	unset($index[$hash]);
	$this->index = $index;
	return $this;
	}

	public function addAtomToIndex($hash, array $data) {
	$index = $this->getIndex();
	$index[$hash] = $data;
	$this->index = $index;
	return $this;
	}

	}