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package Alzabo::Exceptions;

use strict;
use vars qw($VERSION);

use Alzabo::Utils;


$VERSION = 2.0;

my %e;

BEGIN
{
    %e = ( 'Alzabo::Exception' =>
           { description =>
             'Generic exception within the Alzabo API.  Should only be used as a base class.',
             alias => 'exception',
           },

           'Alzabo::Exception::Driver' =>
           { description => 'An attempt to eval a string failed',
             fields => [ 'sql', 'bind' ],
             isa => 'Alzabo::Exception',
             alias => 'driver_exception',
           },

           'Alzabo::Exception::Eval' =>
           { description => 'An attempt to eval a string failed',
             isa => 'Alzabo::Exception',
             alias => 'eval_exception',
           },

           'Alzabo::Exception::Logic' =>
           { description =>
             'An internal logic error occurred (presumably, Alzabo was asked to do something that cannot be done)',
             isa => 'Alzabo::Exception',
             alias => 'logic_exception',
           },

           'Alzabo::Exception::NoSuchRow' =>
           { description => 'An attempt to fetch data from the database for a primary key that did not exist in the specified table',
             isa => 'Alzabo::Exception',
             alias => 'no_such_row_exception',
           },

           'Alzabo::Exception::Params' =>
           { description => 'An exception generated when there is an error in the parameters passed in a method of function call',
             isa => 'Alzabo::Exception',
             alias => 'params_exception',
           },

           'Alzabo::Exception::NotNullable' =>
           { description => 'An exception generated when there is an attempt is made to set a non-nullable column to NULL',
             isa => 'Alzabo::Exception::Params',
             fields => [ 'column_name', 'table_name', 'schema_name' ],
             alias => 'not_nullable_exception',
           },

           'Alzabo::Exception::Panic' =>
           { description => 'An exception generated when something totally unexpected happens',
             isa => 'Alzabo::Exception',
             alias => 'panic_exception',
           },

           'Alzabo::Exception::RDBMSRules' =>
           { description => 'An RDBMS rule check failed',
             isa => 'Alzabo::Exception',
             alias => 'rdbms_rules_exception',
           },

           'Alzabo::Exception::RDBMSRules::RecreateTable' =>
           { description =>
             'An exception generated to indicate the a table needs to be recreated as part of a schema SQL diff',
             isa => 'Alzabo::Exception',
             alias => 'recreate_table_exception',
           },

           'Alzabo::Exception::ReferentialIntegrity' =>
           { description =>
             'An operation was attempted that would violate referential integrity',
             isa => 'Alzabo::Exception',
             alias => 'referential_integrity_exception',
           },

           'Alzabo::Exception::SQL' =>
           { description =>
             'An exception generated when there a logical error in a set of operation on an Alzabo::SQLMaker object',
             isa => 'Alzabo::Exception',
             alias => 'sql_exception',
           },

           'Alzabo::Exception::Storable' =>
           { description => 'An attempt to call a function from the Storable module failed',
             isa => 'Alzabo::Exception',
             alias => 'storable_exception',
           },

           'Alzabo::Exception::System' =>
           { description => 'An attempt to interact with the system failed',
             isa => 'Alzabo::Exception',
             alias => 'system_exception',
           },

           'Alzabo::Exception::VirtualMethod' =>
           { description =>
             'Indicates that the method called must be subclassed in the appropriate class',
             isa => 'Alzabo::Exception',
             alias => 'virtual_method_exception',
           },

         );
}

use Exception::Class (%e);

Alzabo::Exception->Trace(1);