perlbaski has asked for the wisdom of the Perl Monks concerning the following question:
I have a parent class from which two I derive two child classes. The new () of both the child classes call parent class constructor.
I see that Super module's dbh value is over written by yourModule input parameters. I see the problem self is getting overwritten, but is there a way I can keep the parent class variables separate in the two child class objects.package superModule; my $self; sub new(){ my $class=shift; my %params=@_; $self=(bless({"dbh"=>$params{"DB"}},$class)); return $self; } sub printSuper(){ print "Super module:".$self->{dbh}."\n"; } package myModule; @ISA=(superModule); my $self; sub new(){ my $class=shift; %params=@_; my $parentObj=superModule->new(%params); $self=(bless({"file_name"=>$params{"file name"}},$class)); $self->{"parent"}=$parentObj; return $self; } sub printFile(){ print "My file name from file obj ".$self->{file_name}."\n"; } package yourModule; @ISA=(superModule); my $self; sub new(){ my $class=shift; %params=@_; my $parentObj=superModule->new(%params); $self=bless({"block_name"=>$params{"block name"}},$class); $self->{"parent"}=$parentObj; return $self; } sub printBlock(){ print "My Block name from block obj ".$self->{block_name}."\n"; } return 1; use myModule; use yourModule; my %f_params=(DB=>"File DB value","file name"=>"Lisa"); my %b_params=(DB=>"Block DB vlaue","block name"=>"Pisa"); my $file_obj=myModule->new(%f_params); my $block_obj=yourModule->new(%b_params); $file_obj->printSuper(); $file_obj->printFile(); $block_obj->printSuper(); $block_obj->printBlock();
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Re: Variables in Common parent class
by Athanasius (Archbishop) on Mar 10, 2013 at 03:58 UTC | |
by tobyink (Canon) on Mar 10, 2013 at 06:34 UTC | |
by perlbaski (Sexton) on Mar 11, 2013 at 02:44 UTC | |
by Athanasius (Archbishop) on Mar 11, 2013 at 03:18 UTC | |
by perlbaski (Sexton) on Mar 14, 2013 at 06:51 UTC | |
by Athanasius (Archbishop) on Mar 14, 2013 at 12:24 UTC |
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