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package Cassandra::Client::Config;
our $AUTHORITY = 'cpan:TVDW';
$Cassandra::Client::Config::VERSION = '0.21';
use 5.010;
use strict;
use warnings;
use Ref::Util qw/is_plain_arrayref is_plain_coderef is_blessed_ref/;
use Cassandra::Client::Policy::Auth::Password;
sub new {
my ($class, $config)= @_;
my $self= bless {
anyevent => 0,
contact_points => undef,
port => 9042,
cql_version => undef,
keyspace => undef,
compression => undef,
default_consistency => undef,
default_idempotency => 0,
max_page_size => 5000,
max_connections => 2,
timer_granularity => 0.1,
request_timeout => 11,
warmup => 0,
max_concurrent_queries => 1000,
tls => 0,
protocol_version => 4,
throttler => undef,
command_queue => undef,
retry_policy => undef,
load_balancing_policy => undef,
authentication => undef,
stats_hook => undef,
}, $class;
if (my $cp= $config->{contact_points}) {
if (is_plain_arrayref($cp)) {
@{$self->{contact_points}=[]}= @$cp;
} else { die "contact_points must be an arrayref"; }
} else { die "contact_points not specified"; }
# Booleans
for (qw/anyevent warmup tls default_idempotency/) {
if (exists($config->{$_})) {
$self->{$_}= !!$config->{$_};
}
}
# Numbers, ignore undef
for (qw/port timer_granularity request_timeout max_connections max_concurrent_queries/) {
if (defined($config->{$_})) {
$self->{$_}= 0+ $config->{$_};
}
}
# Numbers, undef actually means undef
for (qw/max_page_size/) {
if (exists($config->{$_})) {
$self->{$_}= defined($config->{$_}) ? (0+ $config->{$_}) : undef;
}
}
# Strings
for (qw/cql_version keyspace compression default_consistency/) {
if (exists($config->{$_})) {
$self->{$_}= defined($config->{$_}) ? "$config->{$_}" : undef;
}
}
# Coderefs
for (qw/stats_hook/) {
if (defined($config->{$_})) {
die "$_ must be a CODE reference" unless is_plain_coderef($config->{$_});
$self->{$_}= $config->{$_};
}
}
# Policies
for (qw/throttler retry_policy command_queue load_balancing_policy authentication/) {
if (exists($config->{$_})) {
die "$_ must be a blessed reference implementing the correct API"
unless is_blessed_ref($config->{$_});
$self->{$_}= $config->{$_};
}
}
if (exists($config->{username}) || exists($config->{password})) {
$self->{authentication}= Cassandra::Client::Policy::Auth::Password->new(
username => $config->{username},
password => $config->{password},
);
}
if (exists $config->{protocol_version}) {
if ($config->{protocol_version} == 3 || $config->{protocol_version} == 4) {
$self->{protocol_version}= 0+ $config->{protocol_version};
} else {
die "Invalid protocol_version: must be one of [3, 4]";
}
}
return $self;
}
1;
__END__
=pod
=head1 NAME
Cassandra::Client::Config
=head1 VERSION
version 0.21
=head1 AUTHOR
Tom van der Woerdt <tvdw@cpan.org>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2023 by Tom van der Woerdt.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|
