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<?php |
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namespace Actuator\Health; |
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/** |
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* Builder for creating imutable Health instances. |
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*/ |
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class HealthBuilder |
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{ |
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/** |
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* @var Status |
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*/ |
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public $status; |
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/** |
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* @var array |
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*/ |
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public $details; |
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/** |
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* Create new Builder instance. |
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* |
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* @param Status $status |
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* @param array $details |
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*/ |
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public function __construct(Status $status = null, $details = []) |
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{ |
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if (is_null($status)) { |
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$status = new Status(Status::UNKNOWN); |
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} |
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$this->status = $status; |
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$this->details = $details; |
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} |
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/** |
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* Set status to Status::DOWN and add details for given Exception if available. |
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* |
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* @param \Exception $exception The exception |
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* |
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* @return HealthBuilder |
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*/ |
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public function down(\Exception $exception = null) |
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{ |
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$builder = $this->status(new Status(Status::DOWN)); |
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if (!is_null($exception)) { |
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$builder->withException($exception); |
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} |
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return $builder; |
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} |
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/** |
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* Create a new Builder instance with a Status::UNKNOWN status. |
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* |
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* @return HealthBuilder |
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*/ |
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public function unknown() |
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{ |
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return $this->status(new Status(Status::UNKNOWN)); |
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} |
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/** |
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* Create a new Builder instance with a Status::UP status. |
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* |
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* @return HealthBuilder |
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*/ |
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public function up() |
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{ |
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return $this->status(new Status(Status::UP)); |
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} |
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/** |
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* Create a new Builder instance with a Status::OUT_OF_SERVICE status. |
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* |
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* @return HealthBuilder |
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*/ |
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public function outOfService() |
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{ |
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return $this->status(Status::OUT_OF_SERVICE); |
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} |
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/** |
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* Set status to given Status instance or status code. |
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* |
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* @param Status|string $status |
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* |
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* @return $this |
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*/ |
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public function status($status) |
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{ |
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if (!($status instanceof Status)) { |
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$status = new Status($status); |
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} |
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$this->status = $status; |
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return $this; |
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} |
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/** |
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* Record detail for given {@link Exception}. |
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* |
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* @param \Exception $exception |
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* |
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* @return $this |
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*/ |
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public function withException(\Exception $exception) |
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{ |
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assert(!is_null($exception), 'Exception must not be null'); |
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return $this->withDetail('error', $exception->getMessage()); |
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} |
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/** |
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* Record detail using key and message. |
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* |
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* @param string $key the detail key |
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* @param mixed $message the detail message |
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* |
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* @return $this |
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*/ |
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public function withDetail($key, $message) |
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{ |
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assert(!is_null($key), 'Key must not be null'); |
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assert(!is_null($message), 'Message must not be null'); |
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$this->details[strval($key)] = $message; |
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return $this; |
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} |
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/** |
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* @return Health |
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*/ |
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public function build() |
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{ |
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return new Health($this); |
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} |
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} |
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