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DrydockBlueprint.php
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Sat, Nov 30, 07:37

DrydockBlueprint.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.
*/
abstract class DrydockBlueprint {
abstract public function getType();
abstract public function getInterface(
DrydockResource $resource,
DrydockLease $lease,
$type);
public function canAllocateResources() {
return false;
}
public function allocateResource() {
throw new Exception("This blueprint can not allocate resources!");
}
public static function getAllBlueprints() {
static $list = null;
if ($list === null) {
$blueprints = id(new PhutilSymbolLoader())
->setType('class')
->setAncestorClass('DrydockBlueprint')
->selectAndLoadSymbols();
$list = ipull($blueprints, 'name', 'name');
foreach ($list as $class_name => $ignored) {
$reflection = new ReflectionClass($class_name);
if ($reflection->isAbstract()) {
continue;
}
$list[$class_name] = newv($class_name, array());
}
}
return $list;
}
public static function getAllBlueprintsForResource($type) {
static $groups = null;
if ($groups === null) {
$groups = mgroup(self::getAllBlueprints(), 'getType');
}
return idx($groups, $type, array());
}
}

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