query.rb
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#!/usr/bin/env ruby
#--
# This file is a part of the mirimiri library
#
# Copyright (C) 2010-2011 Romain Deveaud <romain.deveaud@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#++
class Query
end
module Indri
class Parameters
attr_accessor :index_path, :memory, :count, :offset, :run_id, :print_query, :print_docs, :rule, :baseline
def initialize(corpus,count="1000",mem="1g",threads="1",offset="1",run_id="default",print_query=false,print_docs=false)
@index_path = corpus
@memory = mem
@count = count
@threads = threads
@offset = offset
@run_id = run_id
@print_query = print_query ? "true" : "false"
@print_docs = print_docs ? "true" : "false"
end
def to_s
h = "<memory>#{@memory}</memory>\n"
h += "<index>#{@index_path}</index>\n"
h += "<count>#{@count}</count>\n"
h += "<threads>#{@threads}</threads>\n"
unless @baseline.nil?
h += "<baseline>#{@baseline}</baseline>\n"
else
h += "<rule>#{@rule}</rule>\n"
end
h += "<trecFormat>true</trecFormat>\n"
h += "<queryOffset>#{@offset}</queryOffset>\n"
h += "<runID>#{@run_id}</runID>\n"
h += "<printQuery>#{@print_query}</printQuery>\n"
h += "<printDocuments>#{@print_docs}</printDocuments>\n"
h
end
end
class IndriQueryOld < Query
attr_accessor :id, :query, :rule
def initialize(id,query)
@id = id
@query = query
end
def to_s
h = "<query>\n"
h += "<number>#{@id}</number>\n"
h += "<text>#{@query}</text>\n"
h += "</query>\n"
h
end
def exec params
`IndriRunQuery -query='#{@query}' -index=#{params.index_path} -count=#{params.count} -rule=method:dirichlet,mu:2500 -trecFormat`
end
end
class IndriQuery < Query
attr_accessor :query, :count, :sm_method, :sm_param, :sm_value, :args
def initialize atts={},args=nil
raise ArgumentError, 'Argument 1 must be a Hash' unless atts.is_a? Hash
atts.each do |k,v|
instance_variable_set("@#{k}", v) unless v.nil?
end
raise ArgumentError, 'Argument 2 must be a String' unless (args.is_a?(String) || args.nil?)
@args = args
end
end
class IndriQueries
attr_accessor :params, :queries
def initialize params
# @queries = queries
@params = params
@queries = {}
# Here we set the default retrieval model as Language Modeling
# with a Dirichlet smoothing at 2500.
# TODO: maybe a Rule class...
@params.rule = 'method:dirichlet,mu:2500' if @params.rule.nil?
end
def push id,query
@queries[id.to_i] = query
end
def to_s
h = "<parameters>\n"
h += @params.to_s
h += @queries.sort { |a,b| a[0] <=> b[0] }.collect do |q|
"<query>\n" +
"<number>#{q[0]}</number>\n" +
"<text>#{q[1]}</text>\n" +
"</query>\n"
end.join ""
# h += @queries.collect { |q| q.to_s }.join ""
h += "</parameters>"
h
end
end
end