Class: FDB::DirectoryPartition

Inherits:
DirectorySubspace show all
Defined in:
lib/fdbdirectory.rb

Instance Attribute Summary

Attributes inherited from DirectorySubspace

#directory_layer

Attributes inherited from Subspace

#raw_prefix

Instance Method Summary collapse

Methods inherited from DirectorySubspace

#create, #create_or_open, #exists?, #layer, #list, #move, #move_to, #open, #path, #remove, #remove_if_exists

Constructor Details

#initialize(path, prefix, parent_directory_layer) ⇒ DirectoryPartition

Returns a new instance of DirectoryPartition.



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# File 'lib/fdbdirectory.rb', line 593

def initialize(path, prefix, parent_directory_layer)
  directory_layer = DirectoryLayer.new(:node_subspace => Subspace.new([], prefix + "\xfe"), 
                                       :content_subspace => Subspace.new([], prefix))
  directory_layer.send(:path=, path)
  super(path, prefix, directory_layer, 'partition')
  @parent_directory_layer = parent_directory_layer
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 601

def [](name)
  raise 'Cannot open subspace in the root of a directory partition.'
end

#as_foundationdb_key ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 625

def as_foundationdb_key
  raise 'Cannot use the root of a directory partition as a key.'
end

#contains?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/fdbdirectory.rb', line 621

def contains?(key)
  raise 'Cannot check whether a key belongs to the root of a directory partition.'
end

#key ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 605

def key
  raise 'Cannot get key for the root of a directory partition.'
end

#pack(tuple) ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 609

def pack(tuple)
  raise 'Cannot pack keys using the root of a directory partition.'
end

#range(tuple = []) ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 617

def range(tuple=[])
  raise 'Cannot get range for the root of a directory partition.'
end

#subspace(tuple) ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 629

def subspace(tuple)
  raise 'Cannot open subspace in the root of a directory partition.'
end

#unpack(key) ⇒ Object 



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# File 'lib/fdbdirectory.rb', line 613

def unpack(key)
  raise 'Cannot unpack keys using the root of a directory partition.'
end