Class: WithConnection::ConnectionPool
Instance Attribute Summary collapse
Instance Method Summary
collapse
#clear_stale_cached_connections!, #connection_with_sanity_check, #valid_busy_fiber?
Constructor Details
Returns a new instance of ConnectionPool.
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# File 'lib/with_connection/connection_pool.rb', line 7
def initialize(name, spec)
@name = name
super spec
@disable_warning = !! spec.config[:disable_warning]
@debug_with_connection = !! spec.config[:debug_with_connection]
ConnectionManagement.connection_pools << self
end
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Instance Attribute Details
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/with_connection/connection_pool.rb', line 5
def name
@name
end
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Instance Method Details
#checkout_with_debug ⇒ Object
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# File 'lib/with_connection/connection_pool.rb', line 33
def checkout_with_debug
if @debug_with_connection && ! @using_with_connection
Rails.logger.warn "#{name} not using with_connection, backtrace: #{caller.inspect}"
end
begin
checkout_without_debug
rescue ActiveRecord::ConnectionTimeoutError => e
raise ActiveRecord::ConnectionTimeoutError, "could not obtain a #{name} connection#{" within #{@timeout} seconds" if @timeout}. The max pool size is currently #{@size}; consider increasing it."
end
end
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#create_all_connections ⇒ Object
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# File 'lib/with_connection/connection_pool.rb', line 51
def create_all_connections
@size.times { @connections << new_connection }
end
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#has_connection? ⇒ Boolean
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# File 'lib/with_connection/connection_pool.rb', line 15
def has_connection?
!! @reserved_connections[current_connection_id]
end
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#release_connection_with_warning ⇒ Object
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# File 'lib/with_connection/connection_pool.rb', line 46
def release_connection_with_warning
Rails.logger.warn "#{@name} connection was held by the request" if ! @disable_warning && has_connection?
release_connection
end
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#with_connection(key = nil, read_write = nil) ⇒ Object
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# File 'lib/with_connection/connection_pool.rb', line 19
def with_connection(key=nil, read_write=nil)
connection_id = current_connection_id
fresh_connection = true unless @reserved_connections[connection_id]
yield connection
ensure
release_connection(connection_id) if fresh_connection
end
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#with_connection_with_debug(key = nil, read_write = nil, &block) ⇒ Object
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# File 'lib/with_connection/connection_pool.rb', line 27
def with_connection_with_debug(key=nil, read_write=nil, &block)
@using_with_connection = true
with_connection_without_debug(key, read_write, &block).tap { @using_with_connection = false }
end
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