Module: Distlock
- Included in:
- DistLock
- Defined in:
- lib/distlock.rb,
lib/distlock/zk/zk.rb,
lib/distlock/version.rb,
lib/distlock/noop/noop.rb,
lib/distlock/zk/common.rb,
lib/distlock/lock_error.rb,
lib/distlock/redis/redis.rb,
lib/distlock/redis/common.rb,
lib/distlock/zk/exclusive_lock.rb,
lib/distlock/noop/exclusive_lock.rb,
lib/distlock/redis/exclusive_lock.rb
Defined Under Namespace
Modules: Noop, Redis, ZK Classes: LockError
Constant Summary collapse
- VERSION =
"0.1.0"
Class Method Summary collapse
- .logger ⇒ Object
- .logger=(logger) ⇒ Object
-
.new_instance(options = {}) ⇒ Object
factory method for creating instances of lock managers.
Class Method Details
.logger ⇒ Object
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# File 'lib/distlock.rb', line 6 def Distlock.logger @logger ||= Logger.new(STDOUT) end |
.logger=(logger) ⇒ Object
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# File 'lib/distlock.rb', line 10 def Distlock.logger=(logger) @logger = logger end |
.new_instance(options = {}) ⇒ Object
factory method for creating instances of lock managers
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# File 'lib/distlock.rb', line 15 def Distlock.new_instance(={}) # attempt to require zookeeper blindly # if require fails, fallback to redis # if fails fall back to noop locker=nil begin require 'distlock/zk/zk' locker = Distlock::ZK::ExclusiveLock.new() rescue LoadError => e Distlock.logger.debug "failed to require - #{e}" begin require 'distlock/redis/redis' locker = Distlock::Redis::ExclusiveLock.new() rescue LoadError => e Distlock.logger.debug "failed to require - #{e}" # noop require 'distlock/noop/noop' locker = Distlock::Noop::ExclusiveLock.new() end end locker.logger = Distlock.logger locker end |