| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| class DataBundleDecorator < Draper::Decorator |
| delegate_all |
| |
| FILE_TYPES = {:inputs => '/inputs/' , :intermediates => '/intermediates/', :outputs => 'outputs'} |
| |
| FILE_TYPES.each do |type_key, type_name| |
| define_method :"#{type_key}" do |
| files = manifest['aggregates'].select { |file| !file['folder'].nil? && file['folder'].start_with?(type_name) } |
| result = {} |
| files.each do |file| |
| key = file['file'].split('/').last.split('.').first |
| result[key] = file_content(file['file']) |
| end |
| return result |
| end |
| end |
| |
| def file_content(file) |
| File.new("#{object.file_path}#{file}", 'r').read |
| end |
| |
| def manifest |
| if @manifest.nil? |
| file = File.new("#{object.file_path}.ro/manifest.json", 'r') |
| @manifest = JSON.parse(file.read) |
| end |
| |
| @manifest |
| end |
| |
| def workflow |
| if @workflow.nil? |
| |
| manifest = Nokogiri::XML(File.open("#{object.file_path}#{DataBundle::EXTRACTED_WORKFLOW_PATH}/META-INF/manifest.xml")) |
| t2flow_name = manifest.xpath('//manifest:file-entry[@manifest:media-type="application/vnd.taverna.t2flow+xml"][@manifest:size]').first['manifest:full-path'] |
| file = File.open("#{object.file_path}#{DataBundle::EXTRACTED_WORKFLOW_PATH}/#{t2flow_name}") |
| @workflow = T2Flow::Parser.new.parse(file) |
| end |
| |
| @workflow |
| end |
| |
| def to_dataHashObject |
| paths = [] |
| |
| workflow.datalinks.each do |link| |
| paths << write_link(link, workflow) |
| end |
| |
| stream = {} |
| nodes = [] |
| links = [] |
| |
| paths.each do |path| |
| #get source node |
| source = {:name => path[:source] } |
| target = {:name => path[:target] } |
| |
| indexSource = -1 |
| indexTarget = -1 |
| |
| nodes.each_with_index do |node, index| |
| if node[:name].to_s == source[:name] |
| indexSource = index |
| elsif node[:name].to_s == target[:name] |
| indexTarget = index |
| end |
| end |
| |
| if indexSource == -1 |
| indexSource = nodes.count |
| nodes << source |
| end |
| |
| if indexTarget == -1 |
| indexTarget = nodes.count |
| nodes << target |
| end |
| |
| links << {:source => indexSource, :target => indexTarget, :value => 50} |
| |
| end |
| |
| stream = {:nodes => nodes, :links => links } |
| stream |
| end |
| |
| def write_link(link, dataflow) |
| stream = {} |
| if dataflow.sources.select { |s| s.name == link.source } != [] |
| stream[:source] = link.source |
| stream[:file_content] = inputs[link.source] unless inputs[link.source].nil? |
| else |
| stream[:source] = processor_by_name(dataflow, link.source) |
| end |
| if dataflow.sinks.select { |s| s.name == link.sink } != [] |
| stream[:target] = link.sink |
| else |
| stream[:target] = processor_by_name(dataflow, link.sink) |
| end |
| stream |
| end |
| |
| def processor_by_name(dataflow, name) |
| dataflow.processors.select { |p| p.name == name.split(':').first }.first.name |
| end |
| |
| |
| |
| # find the provenance file |
| # how to extract info from file see http://ruby-rdf.github.io/ , section Querying RDF data using basic graph patterns |
| def provenanceMain |
| |
| if @provenance.nil? |
| |
| provenanceObj = Provenance.new("#{object.file_path}workflowrun.prov.ttl") |
| @provenance = provenanceObj.to_dataHashObject("#{object.file_path}") |
| |
| # stream = {} |
| # nodes = [] |
| # links = [] |
| |
| # iteration = 12 |
| |
| # iteration.times do |i| |
| # nodes << {:name => i, :label => i, :type => "Artifact"} |
| # end |
| |
| # (iteration - 1).times do |i| |
| # links << {:source => i, :target => i+1, :value => 50} |
| # end |
| |
| # stream = {:nodes => nodes, :links => links } |
| |
| # @provenance = stream |
| |
| end # if provenance |
| |
| #return |
| @provenance |
| end # def provenance |
| |
| end |