Object::Transaction Object::Transaction is a virtual base class for transactions on files containing serialized hash objects.
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Object::Transaction Ranking & Summary

Object::Transaction Tags

Perl module objects hash file transactions hash objects

Object::Transaction Description

Object::Transaction is a virtual base class for transactions on files containing serialized hash objects. Object::Transaction is a virtual base class for transactions on files containing serialized hash objects.SYNOPSIS use Object::Transaction; transaction($coderef, @codeargs); commit(); abandon(); $there_is_a_pending_transaction = transaction_pending() package Pkg; @ISA = qw(Object::Transaction); use Object::Transaction; $obj = sub new { ... } sub file($ref,$id) { ... } $obj = load Pkg $id; $obj->savelater(); $obj->save(); $obj->removelater(); $obj->remove(); $obj->commit(); $obj->uncache(); $obj->abandon(); $oldobj = $obj->old(); $reference = $obj->objectref(); $obj = $reference->loadref(); $id = sub id { ... } $restart_commit = sub precommit() { } @passby = sub presave($old) { ... } sub postsave($old,@passby) { ... } $newid = sub preload($id) { .... } sub postload() { ... } sub preremove() { ... } sub postremove() { ... }Object::Transaction provides transaction support for hash-based objects that are stored one-per-file using Storable. Multiuser access is supported. In the future, serializing methods other than Storable will be supported.Object::Transaction is a virtual base class. In order to use it, you must inherit from it and override the new method and the file method.Optomistic locking is used: it is possible that a transaction will fail because the data that is is based upon has changed out from under it. Requirements: · Perl

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