Class: CouchPotato::View::ViewQuery

Inherits:
Object
  • Object
show all
Defined in:
lib/couch_potato/view/view_query.rb

Overview

Used to query views (and create them if they don’t exist). Usually you won’t have to use this class directly. Instead it is used internally by the CouchPotato::Database.view method.

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(couchrest_database, design_document_name, view, list = nil, lib = nil, language = :javascript) ⇒ ViewQuery

Returns a new instance of ViewQuery.



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# File 'lib/couch_potato/view/view_query.rb', line 5

def initialize(couchrest_database, design_document_name, view, list = nil, lib = nil, language = :javascript)
  @database = couchrest_database
  @design_document_name = design_document_name
  @view_name = view.keys[0]
  @map_function = view.values[0][:map]
  @reduce_function = view.values[0][:reduce]
  @lib = lib
  @language = language
  if list
    @list_function = list.values[0]
    @list_name = list.keys[0]
  end
end

Class Method Details

.__updated_views ⇒ Object 



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# File 'lib/couch_potato/view/view_query.rb', line 35

def self.__updated_views
  @updated_views ||= {}
  @updated_views
end

.clear_cache ⇒ Object

mainly useful for testing where you drop the database between tests. only after clearing the cache design docs will be updated/re-created.



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# File 'lib/couch_potato/view/view_query.rb', line 31

def self.clear_cache
  __updated_views.clear
end

Instance Method Details

#query_view!(parameters = {}) ⇒ Object 



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# File 'lib/couch_potato/view/view_query.rb', line 19

def query_view!(parameters = {})
  update_view unless view_has_been_updated?
  begin
    query_view parameters
  rescue CouchRest::NotFound
    update_view
    retry
  end
end