/usr/lib/x86_64-linux-gnu/perl5/5.26/MongoDB/ReadConcern.pm is in libmongodb-perl 1.8.1-1.
This file is owned by root:root, with mode 0o644.
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# Copyright 2014 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
use strict;
use warnings;
package MongoDB::ReadConcern;
# ABSTRACT: Encapsulate and validate a read concern
use version;
our $VERSION = 'v1.8.1';
use Moo;
use MongoDB::Error;
use Types::Standard qw(
Maybe
Str
ArrayRef
);
use namespace::clean;
#pod =attr level
#pod
#pod The read concern level determines the consistency level required
#pod of data being read.
#pod
#pod The default level is C<undef>, which means the server will use its configured
#pod default.
#pod
#pod If the level is set to "local", reads will return the latest data a server has
#pod locally.
#pod
#pod Additional levels are storage engine specific. See L<Read
#pod Concern|http://docs.mongodb.org/manual/search/?query=readConcern> in the MongoDB
#pod documentation for more details.
#pod
#pod This may be set in a connection string with the the C<readConcernLevel> option.
#pod
#pod =cut
has level => (
is => 'ro',
isa => Maybe [Str],
predicate => 'has_level',
);
has _as_args => (
is => 'lazy',
isa => ArrayRef,
reader => 'as_args',
builder => '_build_as_args',
);
sub BUILD {
my $self = shift;
if ( defined $self->{level} ) {
$self->{level} = lc $self->{level};
}
}
sub _build_as_args {
my ($self) = @_;
if ( $self->{level} ) {
return [
readConcern => { level => $self->{level} }
];
}
else {
return [];
}
}
1;
__END__
=pod
=encoding UTF-8
=head1 NAME
MongoDB::ReadConcern - Encapsulate and validate a read concern
=head1 VERSION
version v1.8.1
=head1 SYNOPSIS
$rc = MongoDB::ReadConcern->new(); # no defaults
$rc = MongoDB::ReadConcern->new(
level => 'local',
);
=head1 DESCRIPTION
A Read Concern describes the constraints that MongoDB must satisfy when reading
data. Read Concern was introduced in MongoDB 3.2.
=head1 ATTRIBUTES
=head2 level
The read concern level determines the consistency level required
of data being read.
The default level is C<undef>, which means the server will use its configured
default.
If the level is set to "local", reads will return the latest data a server has
locally.
Additional levels are storage engine specific. See L<Read
Concern|http://docs.mongodb.org/manual/search/?query=readConcern> in the MongoDB
documentation for more details.
This may be set in a connection string with the the C<readConcernLevel> option.
=head1 AUTHORS
=over 4
=item *
David Golden <david@mongodb.com>
=item *
Rassi <rassi@mongodb.com>
=item *
Mike Friedman <friedo@friedo.com>
=item *
Kristina Chodorow <k.chodorow@gmail.com>
=item *
Florian Ragwitz <rafl@debian.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is Copyright (c) 2018 by MongoDB, Inc.
This is free software, licensed under:
The Apache License, Version 2.0, January 2004
=cut
|