Class: SBDB::Queue

Inherits:

DB

• Object
• DB
• SBDB::Queue

Includes:

Arrayisch

Defined in:

lib/sbdb/db.rb

Constant Summary

Constants inherited from DB

DB::ARRAY, DB::BTREE, DB::CONSUME, DB::CONSUME_WAIT, DB::HASH, DB::QUEUE, DB::RDONLY, DB::UNKNOWN

Instance Attribute Summary

Attributes inherited from DB

#home, #txn

Instance Method Summary

• #unshift(txn = nil) ⇒ Object

Methods included from Arrayisch

#[], #[]=, #push

Methods inherited from DB

#[]=, #_txn, #at, #bdb_object, #close, #cursor, #delete, #each, #initialize, new, #put, #reverse, #sync, #to_hash, #transaction, #truncate

Constructor Details

This class inherits a constructor from SBDB::DB

Instance Method Details

#unshift(txn = nil) ⇒ Object

# File 'lib/sbdb/db.rb', line 151

def unshift txn = nil
  @db.get _txn(txn), "\0\0\0\0", nil, Bdb::DB_CONSUME
end