1 | <?php |
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2 | |||
3 | declare(strict_types=1); |
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4 | |||
5 | /** |
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6 | * Injectable Queue Service for interacting with the Queue. |
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7 | * |
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8 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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9 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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10 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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11 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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12 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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13 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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14 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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15 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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16 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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17 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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18 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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19 | * |
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20 | * @author Glynn Quelch <[email protected]> |
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21 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
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22 | * @package PinkCrab\Queue |
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23 | * @since 0.1.0 |
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24 | */ |
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25 | |||
26 | namespace PinkCrab\Queue\Dispatch; |
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27 | |||
28 | use DateTimeImmutable; |
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29 | use PinkCrab\Queue\Event\Event; |
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30 | use PinkCrab\Queue\Queue_Driver\Queue; |
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31 | |||
32 | final class Queue_Service { |
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33 | |||
34 | private Queue $queue; |
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35 | |||
36 | public function __construct( Queue $queue ) { |
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37 | $this->queue = $queue; |
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38 | } |
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39 | |||
40 | /** |
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41 | * Dispatch Event |
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42 | * |
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43 | * @param Event $event |
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44 | */ |
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45 | public function dispatch( Event $event ): ?int { |
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46 | return $this->queue->dispatch( $event ); |
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47 | } |
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48 | |||
49 | /** |
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50 | * Cancel next occurrence of Event |
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51 | * |
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52 | * @param Event $event |
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53 | */ |
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54 | public function cancel_next( Event $event ): void { |
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55 | $this->queue->cancel_next( $event ); |
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56 | } |
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57 | |||
58 | /** |
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59 | * Cancel all occurrences of Event |
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60 | * |
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61 | * @param Event $event |
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62 | */ |
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63 | public function cancel_all( Event $event ): void { |
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64 | $this->queue->cancel_all( $event ); |
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65 | } |
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66 | |||
67 | /** |
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68 | * Get next occurrence of Event |
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69 | * |
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70 | * @param Event $event |
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71 | * @return DateTimeImmutable|null |
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72 | */ |
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73 | public function next( Event $event ): ?DateTimeImmutable { |
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74 | return $this->queue->find_next( $event ); |
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75 | } |
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76 | |||
77 | /** |
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78 | * Get all occurrences of Event |
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79 | * |
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80 | * @param Event $event |
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81 | * @return DateTimeImmutable[] |
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82 | */ |
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83 | public function all( Event $event ): array { |
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84 | return $this->queue->find_all( $event ); |
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85 | } |
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86 | |||
87 | |||
88 | /** |
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89 | * Checks if an event exists. |
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90 | * |
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91 | * @param Event $event |
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92 | * @return bool |
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93 | */ |
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94 | public function exists( Event $event ): bool { |
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95 | return $this->queue->is_scheduled( $event ); |
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96 | } |
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97 | } |
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98 |
Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: