NAME¶

FusionInventory::Agent::Storage - A data serializer/deserializer

SYNOPSIS¶

  my $storage = FusionInventory::Agent::Storage->new(
      directory => '/tmp'
  );
  my $data = $storage->restore(
      module => "FusionInventory::Agent"
  );
  $data->{foo} = 'bar';
  $storage->save(data => $data);

DESCRIPTION¶

This is the object used by the agent to ensure data persistancy between invocations. Each data structure is saved in a file, whose name is automatically determined according to object class name. An optional index number can be used to differentiate between consecutives usages.

METHODS¶

new(%params)¶

The constructor. The following parameters are allowed, as keys of the %params hash:

logger

the logger object to use

directory

the directory to use for storing data (mandatory)

getDirectory¶

Returns the underlying directory for this storage.

has(%params)¶

Returns true if a saved data structure exists. The following arguments are allowed:

name

The file name to use for saving the data structure (mandatory).

save(%params)¶

Save given data structure. The following parameters are allowed, as keys of the %params hash:

name

The file name to use for saving the data structure (mandatory).

restore(%params)¶

Restore a saved data structure. The following parameters are allowed, as keys of the %params hash:

name

The file name to use for saving the data structure (mandatory).

remove(%params)¶

Delete the file containing a seralized data structure for a given module. The following parameters are allowed, as keys of the %params hash:

name

The file name to use for saving the data structure (mandatory).