PhabricatorEdgeCycleException.php
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PhabricatorEdgeCycleException.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.
			*/

			final class PhabricatorEdgeCycleException extends Exception {

			private $cycleEdgeType;
			private $cycle;

			public function __construct($cycle_edge_type, array $cycle) {
			$this->cycleEdgeType = $cycle_edge_type;
			$this->cycle = $cycle;

			$cycle_list = implode(', ', $cycle);

			parent::__construct(
			"Graph cycle detected (type={$cycle_edge_type}, cycle={$cycle_list}).");
			}

			public function getCycle() {
			return $this->cycle;
			}

			public function getCycleEdgeType() {
			return $this->cycleEdgeType;
			}

			}