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Contents
#--
# Copyright (c) 2008 Jeremy Hinegardner
# All rights reserved. See LICENSE and/or COPYING for details.
#++
require 'amalgalite/profile_tap'
require 'stringio'
module Amalgalite
module Taps
#
# An IOTap is an easy way to send all top information to any IO based
# object. Both profile and trace tap information can be captured
# This means you can send the events to STDOUT with:
#
# db.profile_tap = db.trace_tap = Amalgalite::Taps::Stdout.new
#
#
class IO
attr_reader :profile_tap
attr_reader :io
attr_reader :trace_count
def initialize( io )
@io = io
@profile_tap = ProfileTap.new( self, 'output_profile_event' )
@trace_count = 0
end
def trace( msg )
@trace_count += 1
io.puts msg
end
# need a profile method, it routes through the profile tap which calls back
# to output_profile_event
def profile( msg, time )
@profile_tap.profile(msg, time)
end
def output_profile_event( msg, time )
io.puts "#{time} : #{msg}"
end
def dump_profile
samplers.each_pair do |k,v|
io.puts v.to_s
end
end
def samplers
profile_tap.samplers
end
end
#
# This class provides an IO tap that writes to a StringIO. The result is
# available via .to_s or .string.
#
class StringIO < ::Amalgalite::Taps::IO
def initialize
@stringio = ::StringIO.new
super( @stringio )
end
def to_s
@stringio.string
end
alias :string :to_s
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems