PhabricatorFactCountEngine.php
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	<?php

	/*
	* Copyright 2012 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	/**
	* Simple fact engine which counts objects.
	*/
	final class PhabricatorFactCountEngine extends PhabricatorFactEngine {

	public function shouldComputeRawFactsForObject(PhabricatorLiskDAO $object) {
	return true;
	}

	public function computeRawFactsForObject(PhabricatorLiskDAO $object) {
	$facts = array();

	$phid = $object->getPHID();
	$type = phid_get_type($phid);

	foreach (array('N:*', 'N:'.$type) as $fact_type) {
	$facts[] = id(new PhabricatorFactRaw())
	->setFactType($fact_type)
	->setObjectPHID($phid)
	->setEpoch($object->getDateCreated());
	}

	return $facts;
	}

	}