Class: LevelDb::Db

Inherits:
Object
  • Object
show all
Includes:
Crud
Defined in:
lib/level_db.rb

Instance Method Summary collapse

Methods included from Crud

#delete, #get, #put

Methods included from Encoding

#decode_key, #decode_value, #encode_key, #encode_value

Constructor Details

#initialize(db) ⇒ Db

Returns a new instance of Db.



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# File 'lib/level_db.rb', line 89

def initialize(db)
  @db = db
end

Instance Method Details

#batch(&block) ⇒ Object 



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# File 'lib/level_db.rb', line 97

def batch(&block)
  batch = @db.create_write_batch
  begin
    yield Batch.new(batch)
    @db.write(batch)
  ensure
    batch.close
  end
end

#close ⇒ Object 



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# File 'lib/level_db.rb', line 93

def close
  @db.close
end

#each(options = {}, &block) ⇒ Object 



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# File 'lib/level_db.rb', line 107

def each(options={}, &block)
  cursor = Cursor.new(@db.iterator, options)
  cursor.each(&block) if block_given?
  cursor
end

#snapshot ⇒ Object 



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# File 'lib/level_db.rb', line 113

def snapshot
  Snapshot.new(@db)
end