Module: ArCache

Defined in:
lib/ar_cache/log_subscriber.rb,
lib/ar_cache.rb,
lib/ar_cache/query.rb,
lib/ar_cache/table.rb,
lib/ar_cache/marshal.rb,
lib/ar_cache/version.rb,
lib/ar_cache/mock_table.rb,
lib/ar_cache/where_clause.rb,
lib/ar_cache/configuration.rb,
lib/ar_cache/active_record/core.rb,
lib/ar_cache/active_record/relation.rb,
lib/ar_cache/active_record/insert_all.rb,
lib/ar_cache/active_record/persistence.rb,
lib/ar_cache/active_record/model_schema.rb,
lib/generators/ar_cache/install_generator.rb,
lib/ar_cache/active_record/associations/association.rb,
lib/ar_cache/active_record/associations/singular_association.rb,
lib/ar_cache/active_record/associations/has_one_through_association.rb,
lib/ar_cache/active_record/connection_adapters/abstract/transaction.rb,
lib/ar_cache/active_record/connection_adapters/abstract/database_statements.rb

Overview

TODO

Defined Under Namespace

Modules: ActiveRecord, Generators, Marshal Classes: Configuration, LogSubscriber, MockTable, Query, Table, WhereClause

Constant Summary collapse

PLACEHOLDER = 
''
VERSION = 
'2.2.0'

Class Method Summary collapse

Class Method Details

.cache_reflection?(reflection) ⇒ Boolean 



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# File 'lib/ar_cache.rb', line 58

def cache_reflection?(reflection)
  @cache_reflection.fetch(reflection) do
    Thread.current[:ar_cache_reflection] = true
    @cache_reflection[reflection] = yield
  ensure
    Thread.current[:ar_cache_reflection] = false
  end
end

.dump_attributes(attributes) ⇒ Object 



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# File 'lib/ar_cache.rb', line 67

def dump_attributes(attributes)
  memcached? || redis? ? Oj.dump(attributes) : attributes
end

.load_attributes(attributes) ⇒ Object 



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# File 'lib/ar_cache.rb', line 71

def load_attributes(attributes)
  memcached? || redis? ? Oj.load(attributes) : attributes
end

.lock_key(key) ⇒ Object 



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# File 'lib/ar_cache.rb', line 75

def lock_key(key)
  ArCache.write(key, PLACEHOLDER, raw: true, expires_in: 1.hour)
end

.skip_cache ⇒ Object 



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# File 'lib/ar_cache.rb', line 32

def skip_cache
  return yield if skip_cache?

  begin
    Thread.current[:ar_cache_skip_cache] = true
    yield
  ensure
    Thread.current[:ar_cache_skip_cache] = false
  end
end

.skip_cache? ⇒ Boolean 



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# File 'lib/ar_cache.rb', line 28

def skip_cache?
  Thread.current[:ar_cache_skip_cache]
end

.skip_expire ⇒ Object 



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# File 'lib/ar_cache.rb', line 47

def skip_expire
  return yield if skip_expire?

  begin
    Thread.current[:ar_cache_skip_expire] = true
    yield
  ensure
    Thread.current[:ar_cache_skip_expire] = false
  end
end

.skip_expire? ⇒ Boolean 



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# File 'lib/ar_cache.rb', line 43

def skip_expire?
  Thread.current[:ar_cache_skip_expire]
end