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Update docs for connection handler

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Arthur Neves 2016-05-06 15:11:48 -05:00
parent 22a127c57b
commit 36ce6aba98
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1 changed files with 5 additions and 2 deletions
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7
activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb
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@ -778,8 +778,7 @@ module ActiveRecord
end
# ConnectionHandler is a collection of ConnectionPool objects. It is used
# for keeping separate connection pools for Active Record models that connect
# to different databases.
# for keeping separate connection pools that connect to different databases.
#
# For example, suppose that you have 5 models, with the following hierarchy:
#
@ -821,6 +820,10 @@ module ActiveRecord
# ConnectionHandler accessible via ActiveRecord::Base.connection_handler.
# All Active Record models use this handler to determine the connection pool that they
# should use.
#
# The ConnectionHandler class is not coupled with the Active models, as it has no knowlodge
# about the model. The model, needs to pass a specification name to the handler,
# in order to lookup the correct connection pool.
class ConnectionHandler
def initialize
# These caches are keyed by klass.name, NOT klass. Keying them by klass