class Stacks::ColumnDependentCache
Attributes
cache_filling_job[RW]
default_ttl[RW]
Public Class Methods
bust_cache(model, columns)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 72 def self.bust_cache(model, columns) backend = get_backend(model) columns = columns.map { |c| c.to_s } fill_keys = Set.new del_keys = Set.new backend.keys.each do |key| potential_columns = Stacks::Items::ColumnDependentBlock.key_to_columns(key) columns.each do |column| if potential_columns.include?(column) if fillable_block_keys[model].keys.include?(key) fill_keys << [model, key] next end del_keys << key end end end fill_keys.each { |model, key| make_fill_decision(model, key) } del_keys.each { |key| backend.del_key(key) } end
cached(model, columns, identifier, &block)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 65 def self.cached(model, columns, identifier, &block) backend = get_backend(model) item = get_item(model, columns, identifier, block) get_value(item, backend, default_ttl) end
define_block(model, columns, identifier, &block)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 39 def self.define_block(model, columns, identifier, &block) item = get_item(model, columns, identifier, block) defined_blocks[identifier] = item fillable_block_keys[model][item.key] = item end
defined_blocks()
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 24 def self.defined_blocks @defined_caches ||= {} end
fill_block(model, key)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 53 def self.fill_block(model, key) item = fillable_block_keys[model][key] backend = get_backend(item.model) backend.fill(item, default_ttl) end
fillable_block_keys()
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 28 def self.fillable_block_keys @fillable_block_keys ||= Hash.new { |h, k| h[k] = {} } end
get_backend(model)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 18 def self.get_backend(model) backend = Stacks::Backends::NamespacedBackend.new backend.namespace = model.to_s backend end
get_block_value(identifier)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 32 def self.get_block_value(identifier) item = defined_blocks[identifier] backend = get_backend(item.model) get_value(item, backend, default_ttl) end
get_item(model, columns, identifier, block)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 59 def self.get_item(model, columns, identifier, block) validate_model(model) columns = [columns] unless columns.is_a?(Array) Stacks::Items::ColumnDependentBlock.new(model, columns, identifier, block) end
make_fill_decision(model, key)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 45 def self.make_fill_decision(model, key) if cache_filling_job cache_filling_job.call(model, key) else fill_block(model, key) end end
validate_model(model)
click to toggle source
# File lib/stacks/column_dependent_cache.rb, line 14 def self.validate_model(model) raise InvalidModel.new(model.to_s) unless model < ActiveRecord::Base end