package SQL::Translator::Schema::Trigger;
# ----------------------------------------------------------------------
-# $Id: Trigger.pm,v 1.5 2004-11-05 13:19:31 grommit Exp $
-# ----------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
+# Copyright (C) 2002-2009 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
my $trigger = SQL::Translator::Schema::Trigger->new(
name => 'foo',
perform_action_when => 'before', # or after
- database_event => 'insert', # or update, update_on, delete
+ database_event => 'insert', # Obsolete please use database_events!
+ database_events => [qw/update instert/], # or update, update_on, delete
fields => [], # fields if event is "update"
on_table => 'foo', # table name
action => '...', # text of trigger
use base 'SQL::Translator::Schema::Object';
+use Carp;
+
use vars qw($VERSION $TABLE_COUNT $VIEW_COUNT);
-$VERSION = sprintf "%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/;
+$VERSION = '1.59';
# ----------------------------------------------------------------------
__PACKAGE__->_attributes( qw/
- name perform_action_when database_event fields on_table action schema
+ name schema perform_action_when database_event database_events fields table on_table action
order
/);
=head2 database_event
-Gets or sets the event that triggers the trigger.
-
- my $ok = $trigger->database_event('insert');
+Obosolete please use database_events!
=cut
+
+ my $self = shift;
+
+
+ if ( my $arg = shift ) {
+ $self->database_events( [$arg] );
+ }
+
+ return $self->error("Please use database_events the trigger has more then one events!")
+ if (scalar @{$self->{'database_events'}} > 1);
+
+ carp 'database_event is obsolete please use database_events';
+ return (@{ $self->{'database_events'} })[0];
+}
+# ----------------------------------------------------------------------
+sub database_events {
- my $self = shift;
+=pod
- if ( my $arg = shift ) {
- $arg = lc $arg;
- $arg =~ s/\s+/ /g;
- if ( $arg =~ /^(insert|update|update_on|delete)$/ ) {
- $self->{'database_event'} = $arg;
- }
- else {
- return
- $self->error("Invalid argument '$arg' to database_event");
- }
- }
+=head2 database_events
+
+Gets or sets the events that triggers the trigger.
- return $self->{'database_event'};
+ my $ok = $trigger->database_events('insert');
+
+=cut
+
+ my $self = shift;
+
+ if ( my $arg = shift ) {
+ if (ref $arg eq "ARRAY"){
+ map {
+ $_ = lc;
+ $_ =~ s/\s+/ /g;
+ return $self->error("Invalid event '$_' in database_events") unless ( $_ =~ /^(insert|update|update_on|delete)$/ );
+ } @$arg ;
+ @{ $self->{'database_events'} } = @$arg;
+
+ }else{
+ return $self->error("Invalid argument to database_events");
+ };
+
+ }
+
+ return $self->{'database_events'};
}
# ----------------------------------------------------------------------
}
# ----------------------------------------------------------------------
+sub table {
+
+=pod
+
+=head2 table
+
+Gets or set the table on which the trigger works, as a L<SQL::Translator::Schema::Table> object.
+ $trigger->table($triggered_table);
+
+=cut
+
+ my ($self, $arg) = @_;
+ if ( @_ == 2 ) {
+ $self->error("Table attribute of a ".__PACKAGE__.
+ " must be a SQL::Translator::Schema::Table")
+ unless ref $arg and $arg->isa('SQL::Translator::Schema::Table');
+ $self->{table} = $arg;
+ }
+ return $self->{table};
+}
+
+# ----------------------------------------------------------------------
sub on_table {
=pod
=head2 on_table
-Gets or set the table name on which the trigger works.
-
- $trigger->table('foo');
+Gets or set the table name on which the trigger works, as a string.
+ $trigger->on_table('foo');
=cut
- my $self = shift;
- my $arg = shift || '';
- $self->{'on_table'} = $arg if $arg;
- return $self->{'on_table'};
+ my ($self, $arg) = @_;
+ if ( @_ == 2 ) {
+ my $table = $self->schema->get_table($arg);
+ die "Table named $arg doesn't exist"
+ if !$table;
+ $self->table($table);
+ }
+ return $self->table->name;
}
# ----------------------------------------------------------------------
}
# ----------------------------------------------------------------------
+sub compare_arrays {
+
+=pod
+
+=head2 compare_arrays
+
+Compare two arrays.
+
+=cut
+
+ my ($first, $second) = @_;
+ no warnings; # silence spurious -w undef complaints
+
+ return 0 unless (ref $first eq 'ARRAY' and ref $second eq 'ARRAY' ) ;
+ return 0 unless @$first == @$second;
+ my @first = sort @$first;
+ my @second = sort @$second;
+ for (my $i = 0; $i < scalar @first; $i++) {
+ return 0 if @first[$i] ne @second[$i];
+ }
+ return 1;
+}
+
+# ----------------------------------------------------------------------
+sub equals {
+
+=pod
+
+=head2 equals
+
+Determines if this trigger is the same as another
+
+ my $isIdentical = $trigger1->equals( $trigger2 );
+
+=cut
+
+ my $self = shift;
+ my $other = shift;
+ my $case_insensitive = shift;
+
+ return 0 unless $self->SUPER::equals($other);
+ return 0 unless $case_insensitive ? uc($self->name) eq uc($other->name) : $self->name eq $other->name;
+ #return 0 unless $self->is_valid eq $other->is_valid;
+ return 0 unless $self->perform_action_when eq $other->perform_action_when;
+ return 0 unless compare_arrays($self->database_events,$other->database_events) ;
+ return 0 unless $self->on_table eq $other->on_table;
+ return 0 unless $self->action eq $other->action;
+ return 0 unless $self->_compare_objects(scalar $self->extra, scalar $other->extra);
+ return 1;
+}
+
+# ----------------------------------------------------------------------
sub DESTROY {
my $self = shift;
undef $self->{'schema'}; # destroy cyclical reference
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