package SQL::Translator::Schema;
# ----------------------------------------------------------------------
-# $Id: Schema.pm,v 1.9 2003-10-03 23:56:21 kycl4rk Exp $
+# $Id: Schema.pm,v 1.20 2004-11-05 13:19:31 grommit Exp $
# ----------------------------------------------------------------------
-# Copyright (C) 2003 Ken Y. Clark <kclark@cpan.org>
+# Copyright (C) 2002-4 SQLFairy Authors
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
=cut
use strict;
-use Class::Base;
use SQL::Translator::Schema::Constants;
+use SQL::Translator::Schema::Procedure;
use SQL::Translator::Schema::Table;
use SQL::Translator::Schema::Trigger;
use SQL::Translator::Schema::View;
+use SQL::Translator::Schema::Graph;
use SQL::Translator::Utils 'parse_list_arg';
-use base 'Class::Base';
-use vars qw[ $VERSION $TABLE_ORDER $VIEW_ORDER $TRIGGER_ORDER ];
+use base 'SQL::Translator::Schema::Object';
+use vars qw[ $VERSION $TABLE_ORDER $VIEW_ORDER $TRIGGER_ORDER $PROC_ORDER ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.9 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.20 $ =~ /(\d+)\.(\d+)/;
# ----------------------------------------------------------------------
-sub init {
+
+__PACKAGE__->_attributes( qw/name database translator/ );
=pod
Object constructor.
- my $schema = SQL::Translator->new(
+ my $schema = SQL::Translator::Schema->new(
name => 'Foo',
database => 'MySQL',
);
=cut
- my ( $self, $config ) = @_;
- $self->params( $config, qw[ name database ] ) || return undef;
- return $self;
+sub as_graph {
+ my($self) = @_;
+ return SQL::Translator::Schema::Graph->new(translator => $self->translator);
}
# ----------------------------------------------------------------------
}
$table->order( ++$TABLE_ORDER );
- my $table_name = $table->name or return $self->error('No table name');
+ # We know we have a name as the Table->new above errors if none given.
+ my $table_name = $table->name;
if ( defined $self->{'tables'}{ $table_name } ) {
return $self->error(qq[Can't create table: "$table_name" exists]);
}
# ----------------------------------------------------------------------
+sub add_procedure {
+
+=pod
+
+=head2 add_procedure
+
+Add a procedure object. Returns the new
+SQL::Translator::Schema::Procedure object. The "name" parameter is
+required. If you try to create a procedure with the same name as an
+existing procedure, you will get an error and the procedure will not
+be created.
+
+ my $p1 = $schema->add_procedure( name => 'foo' );
+ my $p2 = SQL::Translator::Schema::Procedure->new( name => 'bar' );
+ $p2 = $schema->add_procedure( $procedure_bar ) or die $schema->error;
+
+=cut
+
+ my $self = shift;
+ my $procedure_class = 'SQL::Translator::Schema::Procedure';
+ my $procedure;
+
+ if ( UNIVERSAL::isa( $_[0], $procedure_class ) ) {
+ $procedure = shift;
+ $procedure->schema( $self );
+ }
+ else {
+ my %args = @_;
+ $args{'schema'} = $self;
+ return $self->error('No procedure name') unless $args{'name'};
+ $procedure = $procedure_class->new( \%args ) or
+ return $self->error( $procedure_class->error );
+ }
+
+ $procedure->order( ++$PROC_ORDER );
+ my $procedure_name = $procedure->name or return
+ $self->error('No procedure name');
+
+ if ( defined $self->{'procedures'}{ $procedure_name } ) {
+ return $self->error(
+ qq[Can't create procedure: "$procedure_name" exists]
+ );
+ }
+ else {
+ $self->{'procedures'}{ $procedure_name } = $procedure;
+ }
+
+ return $procedure;
+}
+
+# ----------------------------------------------------------------------
sub add_trigger {
=pod
if ( UNIVERSAL::isa( $_[0], $trigger_class ) ) {
$trigger = shift;
+ $trigger->schema( $self );
}
else {
my %args = @_;
+ $args{'schema'} = $self;
return $self->error('No trigger name') unless $args{'name'};
$trigger = $trigger_class->new( \%args ) or
return $self->error( $trigger_class->error );
if ( UNIVERSAL::isa( $_[0], $view_class ) ) {
$view = shift;
+ $view->schema( $self );
}
else {
my %args = @_;
+ $args{'schema'} = $self;
return $self->error('No view name') unless $args{'name'};
$view = $view_class->new( \%args ) or return $view_class->error;
}
}
# ----------------------------------------------------------------------
+sub get_procedure {
+
+=pod
+
+=head2 get_procedure
+
+Returns a procedure by the name provided.
+
+ my $procedure = $schema->get_procedure('foo');
+
+=cut
+
+ my $self = shift;
+ my $procedure_name = shift or return $self->error('No procedure name');
+ return $self->error( qq[Table "$procedure_name" does not exist] ) unless
+ exists $self->{'procedures'}{ $procedure_name };
+ return $self->{'procedures'}{ $procedure_name };
+}
+
+# ----------------------------------------------------------------------
+sub get_procedures {
+
+=pod
+
+=head2 get_procedures
+
+Returns all the procedures as an array or array reference.
+
+ my @procedures = $schema->get_procedures;
+
+=cut
+
+ my $self = shift;
+ my @procedures =
+ map { $_->[1] }
+ sort { $a->[0] <=> $b->[0] }
+ map { [ $_->order, $_ ] }
+ values %{ $self->{'procedures'} };
+
+ if ( @procedures ) {
+ return wantarray ? @procedures : \@procedures;
+ }
+ else {
+ $self->error('No procedures');
+ return wantarray ? () : undef;
+ }
+}
+
+# ----------------------------------------------------------------------
sub get_table {
=pod
}
# ----------------------------------------------------------------------
+sub get_trigger {
+
+=pod
+
+=head2 get_trigger
+
+Returns a trigger by the name provided.
+
+ my $trigger = $schema->get_trigger('foo');
+
+=cut
+
+ my $self = shift;
+ my $trigger_name = shift or return $self->error('No trigger name');
+ return $self->error( qq[Table "$trigger_name" does not exist] ) unless
+ exists $self->{'triggers'}{ $trigger_name };
+ return $self->{'triggers'}{ $trigger_name };
+}
+
+# ----------------------------------------------------------------------
+sub get_triggers {
+
+=pod
+
+=head2 get_triggers
+
+Returns all the triggers as an array or array reference.
+
+ my @triggers = $schema->get_triggers;
+
+=cut
+
+ my $self = shift;
+ my @triggers =
+ map { $_->[1] }
+ sort { $a->[0] <=> $b->[0] }
+ map { [ $_->order, $_ ] }
+ values %{ $self->{'triggers'} };
+
+ if ( @triggers ) {
+ return wantarray ? @triggers : \@triggers;
+ }
+ else {
+ $self->error('No triggers');
+ return wantarray ? () : undef;
+ }
+}
+
+# ----------------------------------------------------------------------
sub get_view {
=pod
return $self->{'name'} || '';
}
+=head2 translator
+
+get the SQL::Translator instance that instatiated me
+
+=cut
+
+sub translator {
+ my $self = shift;
+ $self->{'translator'} = shift if @_;
+ return $self->{'translator'};
+}
+
# ----------------------------------------------------------------------
sub DESTROY {
my $self = shift;