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| Test2::Harness::Util::Queue(3) | User Contributed Perl Documentation | Test2::Harness::Util::Queue(3) |
NAME
Test2::Harness::Util::Queue - Representation of a queue.DESCRIPTION
This module represents a queue, stored as a jsonl file.SYNOPSIS
use Test2::Harness::Util::Queue;
my $queue = Test2::Harness::Util::Queue->new(file => '/path/to/queue.jsonl');
$queue->start(); # Create the queue
$queue->enqueue({foo => 'bar', baz => 'bat'});
$queue->enqueue({foo => 'bar2', baz => 'bat2'});
...
$queue->end();
Then in another processs:
use Test2::Harness::Util::Queue;
my $queue = Test2::Harness::Util::Queue->new(file => '/path/to/queue.jsonl');
my @items;
while (1) {
@items = $queue->poll();
while (@items) {
my $item = shift @items or last;
... process $item
}
# Queue ends with an 'undef' entry
last if @items && !defined($items[0]);
}
METHODS
- $path = $queue->file
- The filename used for the queue
READING
- $queue->reset()
- Restart reading the queue.
- @items = $queue->poll()
- Get more items from the queue. May need to call it multiple times,
specially if another process is still writing to the queue.
Returns an empty list if no items are available yet.
Returns 'undef' to terminate the list.
- $bool = $queue->ended()
- Check if the queue has ended.
WRITING
- $queue->start()
- Open the queue file for writing.
- $queue->enqueue(\%HASHREF)
- Add an item to the queue.
- $queue->end()
- Terminate the queue.
SOURCE
The source code repository for Test2-Harness can be found at http://github.com/Test-More/Test2-Harness/.MAINTAINERS
- Chad Granum <exodist@cpan.org>
AUTHORS
- Chad Granum <exodist@cpan.org>
COPYRIGHT
Copyright 2020 Chad Granum <exodist7@gmail.com>.This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
See http://dev.perl.org/licenses/
| 2022-03-23 | perl v5.32.1 |
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