DrydockBlueprint.php
add1ae945d71master

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')
			->setConcreteOnly(true)
			->selectAndLoadSymbols();
			$list = ipull($blueprints, 'name', 'name');
			foreach ($list as $class_name => $ignored) {
			$list[$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());
			}

			}