Class: QueryTasks
Constant Summary collapse
- @@live_query_pool =
LiveQueryPool.new(DataStore.new)
- @@channel_live_queries =
{}
Class Method Summary collapse
Instance Method Summary collapse
- #add_listener(collection, query) ⇒ Object
-
#close! ⇒ Object
Removes a channel from all associated live queries.
-
#initialize(channel, dispatcher = nil) ⇒ QueryTasks
constructor
The dispatcher passes its self in.
-
#remove_listener(collection, query) ⇒ Object
Remove a listening channel, the LiveQuery will automatically remove itsself from the pool when there are no channels.
Constructor Details
#initialize(channel, dispatcher = nil) ⇒ QueryTasks
The dispatcher passes its self in
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# File 'app/volt/tasks/query_tasks.rb', line 13 def initialize(channel, dispatcher=nil) @channel = channel @dispatcher = dispatcher end |
Class Method Details
.live_query_pool ⇒ Object
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# File 'app/volt/tasks/query_tasks.rb', line 8 def self.live_query_pool @@live_query_pool end |
Instance Method Details
#add_listener(collection, query) ⇒ Object
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# File 'app/volt/tasks/query_tasks.rb', line 18 def add_listener(collection, query) live_query = @@live_query_pool.lookup(collection, query) track_channel_in_live_query(live_query) live_query.add_channel(@channel) # Return the initial data return live_query.initial_data end |
#close! ⇒ Object
Removes a channel from all associated live queries
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# File 'app/volt/tasks/query_tasks.rb', line 37 def close! live_queries = @@channel_live_queries[@channel] if live_queries live_queries.each do |live_query| live_query.remove_channel(@channel) end end @@channel_live_queries.delete(@channel) end |
#remove_listener(collection, query) ⇒ Object
Remove a listening channel, the LiveQuery will automatically remove itsself from the pool when there are no channels.
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# File 'app/volt/tasks/query_tasks.rb', line 30 def remove_listener(collection, query) live_query = @@live_query_pool.lookup(collection, query) live_query.remove_channel(@channel) end |