ActiveRecord::ConnectionAdapters::ConnectionPool::Queue

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Type:

Class

Threadsafe, fair, FIFO queue. Meant to be used by ConnectionPool with which it shares a Monitor. But could be a generic Queue.

The Queue in stdlib's 'thread' could replace this class except stdlib's doesn't support waiting with a timeout.

new(lock = Monitor.new) Class Public methods

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add(element) Instance Public methods Add element to the queue.

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poll(timeout = nil) Instance Public methods Remove the head of the queue.

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any_waiting?() Instance Public methods Test if any threads are currently waiting

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clear() Instance Public methods Remove all elements from the queue.

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num_waiting() Instance Public methods Returns the number of threads currently

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delete(element) Instance Public methods If element is in the queue

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