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| <?php declare(strict_types = 1); | |
| /* | |
| * Copyright (c) 2019, Josef Kufner <josef@kufner.cz> | |
| * | |
| * 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. | |
| * | |
| */ | |
| namespace Smalldb\StateMachine\Definition\StateMachineGraph; | |
| use Smalldb\StateMachine\Definition\StateDefinition; | |
| use Smalldb\Graph\NestedGraph; | |
| use Smalldb\Graph\Node; | |
| use Smalldb\StateMachine\Definition\StateMachineDefinition; | |
| use Smalldb\StateMachine\LogicException; | |
| class StateMachineNode extends Node | |
| { | |
| public const SOURCE = 1; | |
| public const TARGET = 2; | |
| public const SOURCE_AND_TARGET = self::SOURCE | self::TARGET; | |
| private StateDefinition $state; | |
| private int $sourceOrTarget; | |
| public function __construct(StateDefinition $state, int $sourceOrTarget, NestedGraph $graph, string $id, array $attrs) | |
| { | |
| parent::__construct($graph, $id, $attrs); | |
| $this->state = $state; | |
| $this->sourceOrTarget = $sourceOrTarget; | |
| } | |
| public function getState(): StateDefinition | |
| { | |
| return $this->state; | |
| } | |
| public function isSourceNode(): bool | |
| { | |
| return ($this->sourceOrTarget & self::SOURCE) === self::SOURCE; | |
| } | |
| public function isTargetNode(): bool | |
| { | |
| return ($this->sourceOrTarget & self::TARGET) === self::TARGET; | |
| } | |
| public function getStateMachine(): StateMachineDefinition | |
| { | |
| $rootGraph = $this->getRootGraph(); | |
| if ($rootGraph instanceof StateMachineGraph) { | |
| return $rootGraph->getStateMachine(); | |
| } else { | |
| throw new LogicException("The root graph is not a " . StateMachineGraph::class); | |
| } | |
| } | |
| } |