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## $Id$ |
## $Id$ |
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## -------------------------------------------------------------------------------- |
## -------------------------------------------------------------------------------- |
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## $Log$ |
## $Log$ |
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## Revision 1.3 2002/12/16 19:57:12 joko |
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## + sub unload |
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## |
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## Revision 1.2 2002/12/15 02:06:15 joko |
## Revision 1.2 2002/12/15 02:06:15 joko |
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## + feature to be able to specify module in non-perl-style when loading plugins: e.g. $process->load('Setup/Storage') |
## + feature to be able to specify module in non-perl-style when loading plugins: e.g. $process->load('Setup/Storage') |
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## |
## |
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# get logger instance |
# get logger instance |
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my $logger = Log::Dispatch::Config->instance; |
my $logger = Log::Dispatch::Config->instance; |
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my $meta; |
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## ======== object constructor ======== |
## ======== object constructor ======== |
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sub new { |
sub new { |
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## } |
## } |
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} |
} |
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sub load { |
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sub _getPluginPackage { |
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my $self = shift; |
my $self = shift; |
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my $self_classname = ref $self; |
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my $modulename_load = shift; |
my $modulename_load = shift; |
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# substitute slashes through double double-colons to load modules perl-style |
# substitute slashes through double double-colons to load modules perl-style |
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$modulename_load =~ s/\//::/g; |
$modulename_load =~ s/\//::/g; |
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# build full package name |
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my $self_classname = ref $self; |
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my $package = $self_classname . '::' . $modulename_load; |
my $package = $self_classname . '::' . $modulename_load; |
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return $package; |
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} |
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sub load { |
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my $self = shift; |
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my $modulename_load = shift; |
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my $package = $self->_getPluginPackage($modulename_load); |
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if ($meta->{loaded}->{$package}) { |
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return 1; |
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} |
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$logger->info( __PACKAGE__ . "->load: $package" ); |
$logger->info( __PACKAGE__ . "->load: $package" ); |
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# this is the module testing phase - use mixin doesn't seem to propagate errors by default |
# this is the module testing phase - use mixin doesn't seem to propagate errors by default |
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eval("use $package;"); |
eval("use $package;"); |
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if ($@) { |
if ($@) { |
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$meta->{loaded}->{$package} = 0; |
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# include caller information |
# include caller information |
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my @caller = caller; |
my @caller = caller; |
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my $caller_msg = $caller[1] . ':' . $caller[2]; |
my $caller_msg = $caller[1] . ':' . $caller[2]; |
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# V2: |
# V2: |
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# switch into foreign package and mixin plugin-module |
# switch into foreign package and mixin plugin-module |
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my $self_classname = ref $self; |
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eval("package $self_classname; use mixin '$package';"); |
eval("package $self_classname; use mixin '$package';"); |
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#eval("use mixin_all '$package';"); |
#eval("use mixin_all '$package';"); |
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if ($@) { |
if ($@) { |
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$meta->{loaded}->{$package} = 0; |
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$logger->error( __PACKAGE__ . "->load: $@" ); |
$logger->error( __PACKAGE__ . "->load: $@" ); |
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} else { |
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$meta->{loaded}->{$package} = 1; |
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} |
} |
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return 1; |
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} |
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sub unload { |
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my $self = shift; |
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my $modulename_unload = shift; |
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my $package = $self->_getPluginPackage($modulename_unload); |
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if ($meta->{loaded}->{$package}) { |
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$meta->{loaded}->{$package} = 0; |
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my $where = __PACKAGE__ . ':' . __LINE__; |
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$logger->debug( __PACKAGE__ . "->unload: FIXME: DESTROY object is not implemented at '$where'." ); |
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} |
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} |
} |
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sub boot { |
sub boot { |
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my $self = shift; |
my $self = shift; |
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$self->_abstract_function('boot'); |
$self->_abstract_function('boot'); |