168 lines
4.5 KiB
Perl
168 lines
4.5 KiB
Perl
# ==========================================================================
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#
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# ZoneMinder Object Module, $Date$, $Revision$
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# Copyright (C) 2001-2008 Philip Coombes
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ==========================================================================
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#
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# This module contains the common definitions and functions used by the rest
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# of the ZoneMinder scripts
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#
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package ZoneMinder::Object;
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use 5.006;
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use strict;
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use warnings;
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require ZoneMinder::Base;
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our @ISA = qw(ZoneMinder::Base);
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# ==========================================================================
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#
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# General Utility Functions
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#
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# ==========================================================================
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use ZoneMinder::Config qw(:all);
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use ZoneMinder::Logger qw(:all);
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use ZoneMinder::Database qw(:all);
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use vars qw/ $AUTOLOAD /;
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sub new {
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my ( $parent, $id, $data ) = @_;
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my $self = {};
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bless $self, $parent;
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no strict 'refs';
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my $primary_key = ${$parent.'::primary_key'};
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if ( ! $primary_key ) {
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Error( 'NO primary_key for type ' . $parent );
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return;
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} # end if
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if ( ( $$self{$primary_key} = $id ) or $data ) {
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#$log->debug("loading $parent $id") if $debug or DEBUG_ALL;
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$self->load( $data );
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}
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return $self;
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} # end sub new
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sub load {
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my ( $self, $data ) = @_;
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my $type = ref $self;
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if ( ! $data ) {
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no strict 'refs';
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my $table = ${$type.'::table'};
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if ( ! $table ) {
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Error( 'NO table for type ' . $type );
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return;
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} # end if
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my $primary_key = ${$type.'::primary_key'};
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if ( ! $primary_key ) {
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Error( 'NO primary_key for type ' . $type );
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return;
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} # end if
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if ( ! $$self{$primary_key} ) {
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my ( $caller, undef, $line ) = caller;
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Error( (ref $self) . "::load called without $primary_key from $caller:$line");
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} else {
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#$log->debug("Object::load Loading from db $type");
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Debug("Loading $type from $table WHERE $primary_key = $$self{$primary_key}");
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$data = $ZoneMinder::Database::dbh->selectrow_hashref( "SELECT * FROM $table WHERE $primary_key=?", {}, $$self{$primary_key} );
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if ( ! $data ) {
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if ( $ZoneMinder::Database::dbh->errstr ) {
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Error( "Failure to load Object record for $$self{$primary_key}: Reason: " . $ZoneMinder::Database::dbh->errstr );
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} else {
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Debug("No Results Loading $type from $table WHERE $primary_key = $$self{$primary_key}");
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} # end if
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} # end if
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} # end if
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} # end if ! $data
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if ( $data and %$data ) {
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@$self{keys %$data} = values %$data;
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} # end if
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} # end sub load
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sub AUTOLOAD {
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my ( $self, $newvalue ) = @_;
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my $type = ref($_[0]);
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my $name = $AUTOLOAD;
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$name =~ s/.*://;
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if ( @_ > 1 ) {
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return $_[0]{$name} = $_[1];
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}
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return $_[0]{$name};
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}
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1;
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__END__
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# Below is stub documentation for your module. You'd better edit it!
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=head1 NAME
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ZoneMinder::Database - Perl extension for blah blah blah
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=head1 SYNOPSIS
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use ZoneMinder::Object;
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This package should likely not be used directly, as it is meant mainly to be a parent for all other ZoneMinder classes.
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=head1 DESCRIPTION
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Stub documentation for ZoneMinder, created by h2xs. It looks like the
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author of the extension was negligent enough to leave the stub
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unedited.
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Blah blah blah.
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=head2 EXPORT
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None by default.
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=head1 SEE ALSO
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Mention other useful documentation such as the documentation of
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related modules or operating system documentation (such as man pages
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in UNIX), or any relevant external documentation such as RFCs or
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standards.
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If you have a mailing list set up for your module, mention it here.
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If you have a web site set up for your module, mention it here.
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=head1 AUTHOR
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Philip Coombes, E<lt>philip.coombes@zoneminder.comE<gt>
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=head1 COPYRIGHT AND LICENSE
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Copyright (C) 2001-2008 Philip Coombes
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.8.3 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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