Tangram::Core(3pm) User Contributed Perl Documentation Tangram::Core(3pm)NAME
Tangram::Core - import core Tangram modules
SYNOPSIS
use Tangram::Core;
# use additional types, e.g.:
use Tangram::Type::Array::FromMany;
use Tangram::Type::Set::FromOne;
DESCRIPTION
This module imports only the parts of Tangram that are thought to be essential to any app. This includes: Schema, Storage, Cursor, Expr,
Scalar and Ref. None of the modules that map collections (Array, Hash, Set and their intrusive variants) are imported. Neither is Deploy.
Tangram::Core allows you to reduce script startup time (and executable size when perlcc can handle Tangram) by importing only what you
really need. It also makes it possible to add new mappings to Tangram without penalizing apps that don't need them.
perl v5.8.8 2006-03-29 Tangram::Core(3pm)
Check Out this Related Man Page
Tangram::Type::Dump(3pm) User Contributed Perl Documentation Tangram::Type::Dump(3pm)NAME
Tangram::Type::Dump - Handy functions for Pixie-like dumping of data
SYNOPSIS
use Tangram::Type::Dump qw(flatten unflatten UNflatten nuke);
use YAML qw(freeze thaw); # for instance
my $frozen = freeze flatten($storage, $structure);
# optional - remove circular references from flattened
# structure so that it is freed up properly.
nuke $frozen;
# save frozen somewhere...
# restore, but don't load objects straight away
my $reconstituted = unflatten($storage, thaw $frozen);
# restore, loading objects immediately
my $original = UNflatten($storage, $frozen);
# Alternative, quickly marshall a structure for saving
my $structure;
flatten($storage, $structure);
# ... do something with it ...
# restore to former glory; note that Tangram's cache will
# prevent unnecessary DB access.
unflatten($storage, $structure);
DESCRIPTION
This module contains functions for traversing data structures which are not Tangram-registered objects, and replacing all the Tangram
objects found with `Mementos'.
When a similar data structure is fed back into the reversal function, the mementos are filled with on-demand references to the real
objects.
All these functions operate in place for maximum efficiency.
FUNCTIONS
flatten($storage, $structure)
Traverses the structure $structure, and replaces all the known (ie, already inserted) Tangram objects with references to them
unflatten($storage, $structure)
Performs the logical opposite of flatten, but only insofar as a `normal' user is concerned. `Normal' users, of course, don't care that
the data structure is being loaded from the database as they use it :).
BUGS
Should this module just be an extension to Tangram::Storage ?
AUTHOR
Sam Vilain, samv@cpan.org. All rights reserved. This code is free software; you can use and/or modify it under the same terms as Perl
itself.
perl v5.8.8 2006-03-29 Tangram::Type::Dump(3pm)
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