NAME
Mango::GridFS::Reader - GridFS reader
SYNOPSIS
use Mango::GridFS::Reader;
my $reader = Mango::GridFS::Reader->new(gridfs => $gridfs);DESCRIPTION
Mango::GridFS::Reader reads files from GridFS.
ATTRIBUTES
Mango::GridFS::Reader implements the following attributes.
gridfs
my $gridfs = $reader->gridfs;
$reader = $reader->gridfs(Mango::GridFS->new);Mango::GridFS object this reader belongs to.
METHODS
Mango::GridFS::Reader inherits all methods from Mojo::Base and implements the following new ones.
chunk_size
my $size = $reader->chunk_size;Chunk size in bytes.
content_type
my $type = $reader->content_type;Content type of file.
filename
my $name = $reader->filename;Name of file.
md5
my $checksum = $reader->md5;MD5 checksum for file.
metadata
my $data = $reader->metadata;Additional information.
open
$reader = $reader->open($oid);Open file. You can also append a callback to perform operation non-blocking.
$reader->open($oid => sub {
my ($reader, $err) = @_;
...
});
Mojo::IOLoop->start unless Mojo::IOLoop->is_running;read
my $chunk = $reader->read;Read chunk. You can also append a callback to perform operation non-blocking.
$reader->read(sub {
my ($reader, $err, $chunk) = @_;
...
});
Mojo::IOLoop->start unless Mojo::IOLoop->is_running;seek
$reader = $reader->seek(13);Change current position.
size
my $size = $reader->size;Size of entire file in bytes.
slurp
my $data = $reader->slurp;Slurp all remaining data from file. You can also append a callback to perform operation non-blocking.
$reader->slurp(sub {
my ($reader, $err, $data) = @_;
...
});
Mojo::IOLoop->start unless Mojo::IOLoop->is_running;tell
my $pos = $reader->tell;Current position.
upload_date
my $time = $reader->upload_date;Date file was uploaded.