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package DBIx::Class::DeploymentHandler::VersionHandler::Monotonic; |
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$DBIx::Class::DeploymentHandler::VersionHandler::Monotonic::VERSION = '0.002233'; |
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use Moose; |
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use DBIx::Class::DeploymentHandler::Types; |
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# ABSTRACT: Obvious version progressions |
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use Carp 'croak'; |
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5707
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with 'DBIx::Class::DeploymentHandler::HandlesVersioning'; |
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has schema_version => ( |
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isa => 'DBIx::Class::DeploymentHandler::VersionNonObj', |
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coerce => 1, |
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is => 'ro', |
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required => 1, |
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); |
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has initial_version => ( |
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isa => 'Int', |
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is => 'ro', |
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required => 1, |
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); |
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has to_version => ( |
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isa => 'DBIx::Class::DeploymentHandler::VersionNonObj', |
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coerce => 1, |
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is => 'ro', |
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lazy_build => 1, |
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); |
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sub _build_to_version { |
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my $version = $_[0]->schema_version; |
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ref($version) ? $version->numify : $version; |
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} |
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has _version => ( |
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is => 'rw', |
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isa => 'Int', |
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lazy_build => 1, |
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); |
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sub _inc_version { $_[0]->_version($_[0]->_version + 1 ) } |
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sub _dec_version { $_[0]->_version($_[0]->_version - 1 ) } |
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sub _build__version { $_[0]->initial_version } |
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# provide backwards compatibility for initial_version/database_version |
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around BUILDARGS => sub { |
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my $orig = shift; |
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my $class = shift; |
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my $args = $class->$orig(@_); |
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$args->{initial_version} = $args->{database_version} |
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if exists $args->{database_version} && !exists $args->{initial_version}; |
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return $args; |
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}; |
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sub previous_version_set { |
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my $self = shift; |
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if ($self->to_version > $self->_version) { |
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croak "you are trying to downgrade and your current version is less\n". |
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"than the version you are trying to downgrade to. Either upgrade\n". |
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"or update your schema" |
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} elsif ( $self->to_version == $self->_version) { |
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return undef |
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} else { |
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$self->_dec_version; |
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return [$self->_version + 1, $self->_version]; |
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} |
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} |
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sub next_version_set { |
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my $self = shift; |
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1342
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if ($self->to_version < $self->initial_version) { |
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1
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croak "you are trying to upgrade and your current version is greater\n". |
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"than the version you are trying to upgrade to. Either downgrade\n". |
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"or update your schema" |
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} elsif ( $self->to_version == $self->_version) { |
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return undef |
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} else { |
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$self->_inc_version; |
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return [$self->_version - 1, $self->_version]; |
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} |
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} |
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__PACKAGE__->meta->make_immutable; |
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1; |
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# vim: ts=2 sw=2 expandtab |
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__END__ |
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=pod |
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=head1 NAME |
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DBIx::Class::DeploymentHandler::VersionHandler::Monotonic - Obvious version progressions |
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101
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=head1 SEE ALSO |
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This class is an implementation of |
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L<DBIx::Class::DeploymentHandler::HandlesVersioning>. Pretty much all the |
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documentation is there. |
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=head1 AUTHOR |
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109
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Arthur Axel "fREW" Schmidt <frioux+cpan@gmail.com> |
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111
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2019 by Arthur Axel "fREW" Schmidt. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |