Class: CopyTunerClient::Cache
- Inherits:
-
Object
- Object
- CopyTunerClient::Cache
- Defined in:
- lib/copy_tuner_client/cache.rb
Overview
Manages synchronization of copy between I18nBackend and Client. Acts like a Hash. Applications using the client will not need to interact with this class directly.
Responsible for locking down access to data used by both threads.
Instance Attribute Summary collapse
-
#last_downloaded_at ⇒ Object
readonly
Returns the value of attribute last_downloaded_at.
-
#last_uploaded_at ⇒ Object
readonly
Returns the value of attribute last_uploaded_at.
-
#queued ⇒ Object
readonly
Returns the value of attribute queued.
Instance Method Summary collapse
-
#[](key) ⇒ String
Returns content for the given blurb.
-
#[]=(key, value) ⇒ Object
Sets content for the given blurb.
- #download ⇒ Object
-
#export ⇒ String
Yaml representation of all blurbs.
- #flush ⇒ Object
-
#initialize(client, options) ⇒ Cache
constructor
Usually instantiated when CopyTunerClient::Configuration#apply is invoked.
- #inspect ⇒ Object
-
#keys ⇒ Array<String>
Keys for all blurbs stored on the server.
-
#sync ⇒ Object
Downloads and then flushes.
-
#wait_for_download ⇒ Object
Waits until the first download has finished.
Constructor Details
#initialize(client, options) ⇒ Cache
Usually instantiated when CopyTunerClient::Configuration#apply is invoked.
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# File 'lib/copy_tuner_client/cache.rb', line 15 def initialize(client, ) @blurbs = {} @client = client @downloaded = false @logger = [:logger] @mutex = Mutex.new @queued = {} @started = false @exclude_key_regexp = [:exclude_key_regexp] end |
Instance Attribute Details
#last_downloaded_at ⇒ Object (readonly)
Returns the value of attribute last_downloaded_at.
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# File 'lib/copy_tuner_client/cache.rb', line 127 def last_downloaded_at @last_downloaded_at end |
#last_uploaded_at ⇒ Object (readonly)
Returns the value of attribute last_uploaded_at.
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# File 'lib/copy_tuner_client/cache.rb', line 127 def last_uploaded_at @last_uploaded_at end |
#queued ⇒ Object (readonly)
Returns the value of attribute queued.
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# File 'lib/copy_tuner_client/cache.rb', line 127 def queued @queued end |
Instance Method Details
#[](key) ⇒ String
Returns content for the given blurb.
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# File 'lib/copy_tuner_client/cache.rb', line 29 def [](key) lock { @blurbs[key] } end |
#[]=(key, value) ⇒ Object
Sets content for the given blurb. The content will be pushed to the server on the next flush.
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# File 'lib/copy_tuner_client/cache.rb', line 37 def []=(key, value) return if key =~ @exclude_key_regexp lock { @queued[key] = value } end |
#download ⇒ Object
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# File 'lib/copy_tuner_client/cache.rb', line 104 def download @started = true res = client.download do |downloaded_blurbs| downloaded_blurbs.reject! { |key, value| value == '' } lock { @blurbs = downloaded_blurbs } end @last_downloaded_at = Time.now.utc res rescue ConnectionError => error logger.error error. ensure @downloaded = true end |
#export ⇒ String
Yaml representation of all blurbs
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# File 'lib/copy_tuner_client/cache.rb', line 50 def export keys = {} lock do @blurbs.sort.each do |(blurb_key, value)| current = keys yaml_keys = blurb_key.split('.') 0.upto(yaml_keys.size - 2) do |i| key = yaml_keys[i] # Overwrite en.key with en.sub.key unless current[key].class == Hash current[key] = {} end current = current[key] end current[yaml_keys.last] = value end end unless keys.size < 1 keys.to_yaml end end |
#flush ⇒ Object
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# File 'lib/copy_tuner_client/cache.rb', line 92 def flush res = with_queued_changes do |queued| client.upload queued end @last_uploaded_at = Time.now.utc res rescue ConnectionError => error logger.error error. end |
#inspect ⇒ Object
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# File 'lib/copy_tuner_client/cache.rb', line 129 def inspect "#<CopyTunerClient::Cache:#{object_id}>" end |
#keys ⇒ Array<String>
Keys for all blurbs stored on the server.
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# File 'lib/copy_tuner_client/cache.rb', line 44 def keys lock { @blurbs.keys } end |
#sync ⇒ Object
Downloads and then flushes
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# File 'lib/copy_tuner_client/cache.rb', line 122 def sync download flush end |
#wait_for_download ⇒ Object
Waits until the first download has finished.
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# File 'lib/copy_tuner_client/cache.rb', line 78 def wait_for_download if pending? logger.info 'Waiting for first download' if logger.respond_to? :flush logger.flush end while pending? sleep 0.1 end end end |