Class: Aggro::Locator

Inherits:
Object
  • Object
show all
Defined in:
lib/aggro/locator.rb

Overview

Public: Locates the nodes responsible for a given entity ID.

Instance Method Summary collapse

Constructor Details

#initialize(id) ⇒ Locator

Returns a new instance of Locator.



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# File 'lib/aggro/locator.rb', line 4

def initialize(id)
  @id = id
end

Instance Method Details

#local? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/aggro/locator.rb', line 8

def local?
  primary_node.is_a? LocalNode
end

#nodes ⇒ Object 



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# File 'lib/aggro/locator.rb', line 12

def nodes
  current_node_list_state = Aggro.node_list.state

  if @last_node_list_state == current_node_list_state
    @nodes ||= Aggro.node_list.nodes_for(@id)
  else
    @last_node_list_state = current_node_list_state

    @nodes = Aggro.node_list.nodes_for(@id)
  end
end

#primary_node ⇒ Object 



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# File 'lib/aggro/locator.rb', line 24

def primary_node
  nodes.first
end

#secondary_nodes ⇒ Object 



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# File 'lib/aggro/locator.rb', line 28

def secondary_nodes
  nodes[1..-1]
end