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| 1 | <?php |
| 2 | |
| 3 | namespace Wikimedia\Stats; |
| 4 | |
| 5 | use Liuggio\StatsdClient\Entity\StatsdData; |
| 6 | use Liuggio\StatsdClient\Entity\StatsdDataInterface; |
| 7 | |
| 8 | /** |
| 9 | * @author Addshore |
| 10 | * @since 1.27 |
| 11 | */ |
| 12 | class NullStatsdDataFactory implements IBufferingStatsdDataFactory { |
| 13 | |
| 14 | /** |
| 15 | * This function creates a 'timing' StatsdData. |
| 16 | * |
| 17 | * @param string|array $key The metric(s) to set. |
| 18 | * @param float $time The elapsed time (ms) to log |
| 19 | */ |
| 20 | public function timing( $key, $time ) { |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * This function creates a 'gauge' StatsdData. |
| 25 | * |
| 26 | * @param string|array $key The metric(s) to set. |
| 27 | * @param float $value The value for the stats. |
| 28 | */ |
| 29 | public function gauge( $key, $value ) { |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * This function creates a 'set' StatsdData object |
| 34 | * A "Set" is a count of unique events. |
| 35 | * This data type acts like a counter, but supports counting |
| 36 | * of unique occurrences of values between flushes. The backend |
| 37 | * receives the number of unique events that happened since |
| 38 | * the last flush. |
| 39 | * |
| 40 | * The reference use case involved tracking the number of active |
| 41 | * and logged in users by sending the current userId of a user |
| 42 | * with each request with a key of "uniques" (or similar). |
| 43 | * |
| 44 | * @param string|array $key The metric(s) to set. |
| 45 | * @param float $value The value for the stats. |
| 46 | * |
| 47 | * @return array |
| 48 | */ |
| 49 | public function set( $key, $value ) { |
| 50 | return []; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * This function creates a 'increment' StatsdData object. |
| 55 | * |
| 56 | * @param string|array $key The metric(s) to increment. |
| 57 | * |
| 58 | * @return array |
| 59 | */ |
| 60 | public function increment( $key ) { |
| 61 | return []; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * This function creates a 'decrement' StatsdData object. |
| 66 | * |
| 67 | * |
| 68 | * @param string|array $key The metric(s) to decrement. |
| 69 | * |
| 70 | * @return mixed |
| 71 | */ |
| 72 | public function decrement( $key ) { |
| 73 | return []; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * This function creates a 'updateCount' StatsdData object. |
| 78 | * |
| 79 | * @param string|array $key The metric(s) to decrement. |
| 80 | * @param int $delta The delta to add to the each metric |
| 81 | * |
| 82 | * @return mixed |
| 83 | */ |
| 84 | public function updateCount( $key, $delta ) { |
| 85 | return []; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Produce a StatsdDataInterface Object. |
| 90 | * |
| 91 | * @param string $key The key of the metric |
| 92 | * @param int $value The amount to increment/decrement each metric by. |
| 93 | * @param string $metric The metric type |
| 94 | * ("c" for count, "ms" for timing, "g" for gauge, "s" for set) |
| 95 | * |
| 96 | * @return StatsdDataInterface |
| 97 | */ |
| 98 | public function produceStatsdData( |
| 99 | $key, |
| 100 | $value = 1, |
| 101 | $metric = StatsdDataInterface::STATSD_METRIC_COUNT |
| 102 | ) { |
| 103 | $data = new StatsdData(); |
| 104 | $data->setKey( $key ); |
| 105 | $data->setValue( $value ); |
| 106 | $data->setMetric( $metric ); |
| 107 | return $data; |
| 108 | } |
| 109 | |
| 110 | public function hasData() { |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | public function getData() { |
| 115 | return []; |
| 116 | } |
| 117 | |
| 118 | public function clearData() { |
| 119 | // Nothing to do, always empty |
| 120 | } |
| 121 | |
| 122 | public function getDataCount() { |
| 123 | return 0; |
| 124 | } |
| 125 | |
| 126 | public function setEnabled( $enabled ) { |
| 127 | // Nothing to do, null factory is always disabled. |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | /** @deprecated class alias since 1.43 */ |
| 132 | class_alias( NullStatsdDataFactory::class, 'NullStatsdDataFactory' ); |