---
name: "Jifty::CAS::Blob"
section: "3pm"
platform: "linux"
package: "libjifty-perl"
version: "1.10518+dfsg-2"
release: "Debian 7 (Wheezy)"
platforms: ["linux"]
url: "https://new.carta.tech/Jifty::CAS::Blob"
---

# Jifty::CAS::Blob(3pm)

An object in Jifty's content-addressed store

## NAME

Jifty::CAS::Blob - An object in Jifty's content-addressed store

## SYNOPSIS

```
  my $blob = Jifty::CAS->retrieve('js', $key);
  my $content = $blob->content;
  my $meta = $blob->metadata;
  my $key = $blob->key;
```

## DESCRIPTION

Objects in the content-addressed store can have arbitrary metadata associated with them, in addition to storing their contents.

## METHODS

### new HASHREF

Takes a HASHREF, with possible keys "content" and "metadata", and creates a new object.  Possible special keys in the metadata include:

- hash\_with

  Provides the data to hash to generate the address.  If no `"hash_with"` is provided, the content itself is hashed.

### content

Returns the content of the blob.

### metadata

Returns a hashref of metadata.

### key

Returns the key calculated for this content.