Class: ZK::ZKEventMachine::Callback::ExistsCallback

Inherits:
StatCallback show all
Defined in:
lib/z_k/z_k_event_machine/callback.rb

Overview

supports the syntactic sugar exists? call

Instance Attribute Summary

Attributes inherited from Base

#context, #req_id

Instance Method Summary collapse

Methods inherited from StatCallback

#success?

Methods inherited from Base

async_result_keys, #async_result_keys, #call, #check_async_rc, #exception_for, #initialize, #on_result, #success?

Constructor Details

This class inherits a constructor from ZK::ZKEventMachine::Callback::Base

Instance Method Details

#deferred_style_result(hash) ⇒ Object

This method is abstract.

should call set_deferred_status with the appropriate args for the result and type of call



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# File 'lib/z_k/z_k_event_machine/callback.rb', line 174

def deferred_style_result(hash)
  # ensure this calls the callback on the reactor

  if success?(hash)
    succeed(hash[:stat].exists?)
  else
    fail(exception_for(hash))
  end
end

#node_style_result(hash) ⇒ Object

call the user block with the correct Exception class as the first arg (or nil if no error) and then the appropriate args for the type of asynchronous call



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# File 'lib/z_k/z_k_event_machine/callback.rb', line 187

def node_style_result(hash)
  return unless @block
  @block.call(exception_for(hash), hash[:stat].exists?)
end