| 1: | <?php declare(strict_types=1); |
| 2: | |
| 3: | namespace Salient\Contract\Core\Pipeline; |
| 4: | |
| 5: | use Salient\Contract\Core\ArrayMapperFlag; |
| 6: | use Salient\Contract\Core\Chainable; |
| 7: | use Salient\Contract\Core\Immutable; |
| 8: | use Closure; |
| 9: | |
| 10: | /** |
| 11: | * @template TInput |
| 12: | * @template TOutput |
| 13: | * @template TArgument |
| 14: | */ |
| 15: | interface BasePipelineInterface extends Chainable, Immutable |
| 16: | { |
| 17: | /** |
| 18: | * Apply a closure to each payload before it is sent |
| 19: | * |
| 20: | * This method can only be called once per pipeline. |
| 21: | * |
| 22: | * @param Closure(TInput $payload, static $pipeline, TArgument $arg): (TInput|TOutput) $closure |
| 23: | * @return static |
| 24: | */ |
| 25: | public function after(Closure $closure); |
| 26: | |
| 27: | /** |
| 28: | * Apply a closure to each payload before it is sent if after() hasn't |
| 29: | * already been called |
| 30: | * |
| 31: | * @param Closure(TInput $payload, static $pipeline, TArgument $arg): (TInput|TOutput) $closure |
| 32: | * @return static |
| 33: | */ |
| 34: | public function afterIf(Closure $closure); |
| 35: | |
| 36: | /** |
| 37: | * Add a pipe to the pipeline |
| 38: | * |
| 39: | * A pipe must be one of the following: |
| 40: | * |
| 41: | * - an instance of a class that implements {@see PipeInterface} |
| 42: | * - the name of a class that implements {@see PipeInterface} |
| 43: | * - a closure |
| 44: | * |
| 45: | * Whichever form it takes, a pipe should do something with `$payload` |
| 46: | * before taking one of the following actions: |
| 47: | * |
| 48: | * - return the value of `$next($payload)` |
| 49: | * - return a value that will be discarded by |
| 50: | * {@see StreamPipelineInterface::unless()}, bypassing any remaining pipes |
| 51: | * and {@see BasePipelineInterface::then()}, if applicable |
| 52: | * - throw an exception |
| 53: | * |
| 54: | * @param (Closure(TInput $payload, Closure $next, static $pipeline, TArgument $arg): (TInput|TOutput))|(Closure(TOutput $payload, Closure $next, static $pipeline, TArgument $arg): TOutput)|PipeInterface<TInput,TOutput,TArgument>|class-string<PipeInterface<TInput,TOutput,TArgument>> $pipe |
| 55: | * @return static |
| 56: | */ |
| 57: | public function through($pipe); |
| 58: | |
| 59: | /** |
| 60: | * Add a simple closure to the pipeline |
| 61: | * |
| 62: | * @param (Closure(TInput $payload, static $pipeline, TArgument $arg): (TInput|TOutput))|(Closure(TOutput $payload, static $pipeline, TArgument $arg): TOutput) $closure |
| 63: | * @return static |
| 64: | */ |
| 65: | public function throughClosure(Closure $closure); |
| 66: | |
| 67: | /** |
| 68: | * Add an array key mapper to the pipeline |
| 69: | * |
| 70: | * @param array<array-key,array-key|array-key[]> $keyMap An array that maps |
| 71: | * input keys to one or more output keys. |
| 72: | * @param int-mask-of<ArrayMapperFlag::*> $flags |
| 73: | * @return static |
| 74: | */ |
| 75: | public function throughKeyMap(array $keyMap, int $flags = ArrayMapperFlag::ADD_UNMAPPED); |
| 76: | |
| 77: | /** |
| 78: | * Apply a closure to each result |
| 79: | * |
| 80: | * This method can only be called once per pipeline, and only if |
| 81: | * {@see StreamPipelineInterface::collectThen()} is not also called. |
| 82: | * |
| 83: | * @param (Closure(TInput $result, static $pipeline, TArgument $arg): TOutput)|(Closure(TOutput $result, static $pipeline, TArgument $arg): TOutput) $closure |
| 84: | * @return static |
| 85: | */ |
| 86: | public function then(Closure $closure); |
| 87: | |
| 88: | /** |
| 89: | * Apply a closure to each result if then() hasn't already been called |
| 90: | * |
| 91: | * @param (Closure(TInput $result, static $pipeline, TArgument $arg): TOutput)|(Closure(TOutput $result, static $pipeline, TArgument $arg): TOutput) $closure |
| 92: | * @return static |
| 93: | */ |
| 94: | public function thenIf(Closure $closure); |
| 95: | |
| 96: | /** |
| 97: | * Pass each result to a closure |
| 98: | * |
| 99: | * Results not discarded by {@see StreamPipelineInterface::unless()} are |
| 100: | * passed to the closure before leaving the pipeline. The closure's return |
| 101: | * value is ignored. |
| 102: | * |
| 103: | * @param Closure(TOutput $result, static $pipeline, TArgument $arg): mixed $closure |
| 104: | * @return static |
| 105: | */ |
| 106: | public function cc(Closure $closure); |
| 107: | } |
| 108: |