Class: XRBP::SHAMap::Node

Inherits:
Object
  • Object
show all
Extended by:
NodeFactory
Defined in:
lib/xrbp/nodestore/shamap/node.rb

Overview

Base Node class, all entries stored in tree structures in nodestore DB inherit from this class

Direct Known Subclasses

InnerNode, TreeNode

Constant Summary collapse

TYPES = 
{
  :error          => 0,
  :infer          => 1,
  :transaction_nm => 2,
  :transaction_md => 3,
  :account_state  => 4
}
LEAF_TYPES = 
[
  :transaction_nm,
  :transaction_md,
  :account_state
]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from NodeFactory

make

Constructor Details

#initialize(args = {}) ⇒ Node

Returns a new instance of Node.



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# File 'lib/xrbp/nodestore/shamap/node.rb', line 26

def initialize(args={})
  @hash = args[:hash]
  @type = args[:type]
  @seq  = args[:seq]
end

Instance Attribute Details

#hash ⇒ Object

Returns the value of attribute hash.



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# File 'lib/xrbp/nodestore/shamap/node.rb', line 10

def hash
  @hash
end

Instance Method Details

#inner? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xrbp/nodestore/shamap/node.rb', line 36

def inner?
  false
end

#leaf? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xrbp/nodestore/shamap/node.rb', line 32

def leaf?
  LEAF_TYPES.include?(@type)
end

#tree_node? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/xrbp/nodestore/shamap/node.rb', line 40

def tree_node?
  false
end

#update_hash ⇒ Object 



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# File 'lib/xrbp/nodestore/shamap/node.rb', line 44

def update_hash
  raise "abstract: must be called on a subclass"
end