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package Data::Library; |
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use base qw(Class::Virtual); |
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use vars qw($VERSION); |
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$VERSION = '0.2'; |
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=head1 NAME |
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Data::Library - virtual class for repository support classes |
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=head1 SYNOPSIS |
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Data::Library provides a general repository service. Specifics are |
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implemented in subclasses. |
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=head1 METHODS |
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=cut |
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__PACKAGE__->virtual_methods(qw(new lookup find cache toc reset)); |
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1; |
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=item B |
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my $library = new Data::Library(...configuration...); |
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Configuration parameters are specific to subclasses. |
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=item B |
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my $boolean = $library->lookup($tag); |
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Returns cached data items, by tag. If the source has changed since |
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it was cached, returns false. |
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=item B |
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my $data = $library->find($tag); |
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Searches for data item identified by $tag. |
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=item B |
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$library->cache($tag, $data); |
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Caches data by tag for later fetching via lookup(). |
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=item B |
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my @array = $library->toc; |
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Search through the library and return a list of all available entries. |
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Does not cache any of the items. |
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=item B |
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$library->reset; |
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Erase all entries from the cache. |
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=cut |