ActiveRecord::ConnectionAdapters::JndiConnectionPoolCallbacks

    # File lib/arjdbc/jdbc/callbacks.rb, line 28
28:       def self.prepare(adapter, conn)
29:         if ActiveRecord::Base.respond_to?(:connection_pool) && conn.jndi_connection?
30:           adapter.extend self
31:           conn.disconnect! # disconnect initial connection in JdbcConnection#initialize
32:         end
33:       end

    # File lib/arjdbc/jdbc/callbacks.rb, line 35
35:       def on_checkin
36:         disconnect!
37:       end

    # File lib/arjdbc/jdbc/callbacks.rb, line 39
39:       def on_checkout
40:         reconnect!
41:       end