NAME

Bio::Das::ProServer::SourceAdaptor::Transport::file

VERSION

$Revision: 453 $

SYNOPSIS

DESCRIPTION

A simple data transport for tab-separated files. Access is via the 'query' method. Expects a tab-separated file with no header line.

SUBROUTINES/METHODS

query - Execute a basic query against a text file

assume text files are tab delimited (?)

queries are of the form:

$filetransport->query(qq(field1 = 'value'));
$filetransport->query(qq(field1 lceq 'value'));
$filetransport->query(qq(field3 like '%value%'));

compound queries not (yet) supported

last_modified - machine time of last data change

$dbitransport->last_modified();

DESTROY - object destructor - disconnect filehandle

Generally not directly invoked, but if you really want to - 

$filetransport->DESTROY();

DIAGNOSTICS

Run ProServer with the -debug flag.

CONFIGURATION AND ENVIRONMENT

Configured as part of each source's ProServer 2 INI file:

[myfile]
... source configuration ...
transport = file
filename  = /data/features.tsv
unique    = 1 # optional

DEPENDENCIES

File::stat

Bio::Das::ProServer::SourceAdaptor::Transport::generic

INCOMPATIBILITIES

BUGS AND LIMITATIONS

Compound queries are not supported.

AUTHOR

Roger Pettett <rmp@sanger.ac.uk>.

LICENSE AND COPYRIGHT

Copyright (c) 2008 The Sanger Institute

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See DISCLAIMER.txt for disclaimers of warranty.