Class: StrokeDB::Skiplist::HeadNode

Inherits:

Node

• Object
• Node
• StrokeDB::Skiplist::HeadNode

Defined in:

lib/strokedb/data_structures/skiplist.rb

Instance Attribute Summary

Attributes inherited from Node

#_serialized_index, #forward, #key, #timestamp, #value

Instance Method Summary

• #<(key) ⇒ Object
• #<=(key) ⇒ Object
• #initialize ⇒ HeadNode constructor

  A new instance of HeadNode.

• #to_s ⇒ Object

Methods inherited from Node

#free, #level, #next

Constructor Details

#initialize ⇒ HeadNode

Returns a new instance of HeadNode.

# File 'lib/strokedb/data_structures/skiplist.rb', line 271

def initialize
	super 1, nil, nil
end

Instance Method Details

#<(key) ⇒ Object

# File 'lib/strokedb/data_structures/skiplist.rb', line 274

def <(key)
 true
end

#<=(key) ⇒ Object

# File 'lib/strokedb/data_structures/skiplist.rb', line 277

def <=(key)
 true
end

#to_s ⇒ Object

# File 'lib/strokedb/data_structures/skiplist.rb', line 280

def to_s
  "head(#{level})"
end