Class: SalesforceBulkApi::Job

Inherits:
Object
  • Object
show all
Defined in:
lib/salesforce_bulk_api/job.rb

Defined Under Namespace

Classes: SalesforceException

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Job

Returns a new instance of Job.



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# File 'lib/salesforce_bulk_api/job.rb', line 8

def initialize(args)
  @job_id         = args[:job_id]
  @operation      = args[:operation]
  @sobject        = args[:sobject]
  @external_field = args[:external_field]
  @records        = args[:records]
  @connection     = args[:connection]
  @batch_ids      = []
  @XML_HEADER     = '<?xml version="1.0" encoding="utf-8" ?>'
end

Instance Attribute Details

#job_id ⇒ Object (readonly)

Returns the value of attribute job_id.



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# File 'lib/salesforce_bulk_api/job.rb', line 4

def job_id
  @job_id
end

Instance Method Details

#add_batch(keys, batch) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 87

def add_batch(keys, batch)
  xml = "#{@XML_HEADER}<sObjects xmlns=\"http://www.force.com/2009/06/asyncapi/dataload\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">"
  batch.each do |r|
    xml += create_sobject(keys, r)
  end
  xml += '</sObjects>'
  path = "job/#{@job_id}/batch/"
  headers = Hash["Content-Type" => "application/xml; charset=UTF-8"]
  response = @connection.post_xml(nil, path, xml, headers)
  response_parsed = XmlSimple.xml_in(response)
  response_parsed['id'][0] if response_parsed['id']
end

#add_batches ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 70

def add_batches
  raise 'Records must be an array of hashes.' unless @records.is_a? Array
  keys = @records.reduce({}) {|h, pairs| pairs.each {|k, v| (h[k] ||= []) << v}; h}.keys

  @records_dup = @records.clone

  super_records = []
  (@records_dup.size/@batch_size).to_i.times do
    super_records << @records_dup.pop(@batch_size)
  end
  super_records << @records_dup unless @records_dup.empty?

  super_records.each do |batch|
    @batch_ids << add_batch(keys, batch)
  end
end

#add_query ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 60

def add_query
  path = "job/#{@job_id}/batch/"
  headers = Hash["Content-Type" => "application/xml; charset=UTF-8"]

  response = @connection.post_xml(nil, path, @records, headers)
  response_parsed = XmlSimple.xml_in(response)

  @batch_ids << response_parsed['id'][0]
end

#build_sobject(data) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 100

def build_sobject(data)
  xml = '<sObject>'
  data.keys.each do |k|
    if k.is_a?(Hash)
      xml += build_sobject(k)
    elsif data[k] != :type
      xml += "<#{k}>#{data[k]}</#{k}>"
    end
  end
  xml += '</sObject>'
end

#check_batch_status(batch_id) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 152

def check_batch_status(batch_id)
  path = "job/#{@job_id}/batch/#{batch_id}"
  headers = Hash.new

  response = @connection.get_request(nil, path, headers)

  begin
    response_parsed = XmlSimple.xml_in(response) if response
    response_parsed
  rescue StandardError => e
    puts "Error parsing XML response for #{@job_id}, batch #{batch_id}"
    puts e
    puts e.backtrace
  end
end

#check_job_status ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 137

def check_job_status
  path = "job/#{@job_id}"
  headers = Hash.new
  response = @connection.get_request(nil, path, headers)

  begin
    response_parsed = XmlSimple.xml_in(response) if response
    response_parsed
  rescue StandardError => e
    puts "Error parsing XML response for #{@job_id}"
    puts e
    puts e.backtrace
  end
end

#close_job ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 48

def close_job()
  xml = "#{@XML_HEADER}<jobInfo xmlns=\"http://www.force.com/2009/06/asyncapi/dataload\">"
  xml += "<state>Closed</state>"
  xml += "</jobInfo>"

  path = "job/#{@job_id}"
  headers = Hash['Content-Type' => 'application/xml; charset=utf-8']

  response = @connection.post_xml(nil, path, xml, headers)
  XmlSimple.xml_in(response)
end

#create_job(batch_size, send_nulls, no_null_list) ⇒ Object

Raises:



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# File 'lib/salesforce_bulk_api/job.rb', line 21

def create_job(batch_size, send_nulls, no_null_list)
  @batch_size = batch_size
  @send_nulls = send_nulls
  @no_null_list = no_null_list

  xml = "#{@XML_HEADER}<jobInfo xmlns=\"http://www.force.com/2009/06/asyncapi/dataload\">"
  xml += "<operation>#{@operation}</operation>"
  xml += "<object>#{@sobject}</object>"
  if !@external_field.nil? # This only happens on upsert
    xml += "<externalIdFieldName>#{@external_field}</externalIdFieldName>"
  end
  xml += "<contentType>XML</contentType>"
  xml += "</jobInfo>"

  path = "job"
  headers = Hash['Content-Type' => 'application/xml; charset=utf-8']

  response = @connection.post_xml(nil, path, xml, headers)
  response_parsed = XmlSimple.xml_in(response)

  # response may contain an exception, so raise it
  raise SalesforceException.new("#{response_parsed['exceptionMessage'][0]} (#{response_parsed['exceptionCode'][0]})") if response_parsed['exceptionCode']

  @job_id = response_parsed['id'][0]

end

#create_sobject(keys, r) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 112

def create_sobject(keys, r)
  sobject_xml = '<sObject>'
  keys.each do |k|
    if r[k].is_a?(Hash)
      sobject_xml += "<#{k}>"
      sobject_xml += build_sobject(r[k])
      sobject_xml += "</#{k}>"
    elsif !r[k].to_s.empty?
      sobject_xml += "<#{k}>"
      if r[k].respond_to?(:encode)
        sobject_xml += r[k].encode(:xml => :text)
      elsif r[k].respond_to?(:iso8601) # timestamps
        sobject_xml += r[k].iso8601.to_s
      else
        sobject_xml += r[k].to_s
      end
      sobject_xml += "</#{k}>"
    elsif @send_nulls && !@no_null_list.include?(k)
      sobject_xml += "<#{k} xsi:nil=\"true\"/>"
    end
  end
  sobject_xml += '</sObject>'
  sobject_xml
end

#get_batch_result(batch_id) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 202

def get_batch_result(batch_id)
  path = "job/#{@job_id}/batch/#{batch_id}/result"
  headers = Hash["Content-Type" => "application/xml; charset=UTF-8"]

  response = @connection.get_request(nil, path, headers)
  response_parsed = XmlSimple.xml_in(response)
  results = response_parsed['result'] unless @operation == 'query'

  if(@operation == 'query') # The query op requires us to do another request to get the results
    result_id = response_parsed["result"][0]
    path = "job/#{@job_id}/batch/#{batch_id}/result/#{result_id}"
    headers = Hash.new
    headers = Hash["Content-Type" => "application/xml; charset=UTF-8"]
    response = @connection.get_request(nil, path, headers)
    response_parsed = XmlSimple.xml_in(response)
    results = response_parsed['records']
  end
  results
end

#get_job_result(return_result, timeout) ⇒ Object 



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# File 'lib/salesforce_bulk_api/job.rb', line 168

def get_job_result(return_result, timeout)
  # timeout is in seconds
  begin
    state = []
    Timeout::timeout(timeout, SalesforceBulkApi::JobTimeout) do
      while true
        if self.check_job_status['state'][0] == 'Closed'
          @batch_ids.each do |batch_id|
            batch_state = self.check_batch_status(batch_id)
            if batch_state['state'][0] != "Queued" && batch_state['state'][0] != "InProgress"
              state << (batch_state)
              @batch_ids.delete(batch_id)
            end
          end
          break if @batch_ids.empty?
        else
          break
        end
      end
    end
  rescue SalesforceBulkApi::JobTimeout => e
    puts 'Timeout waiting for Salesforce to process job batches #{@batch_ids} of job #{@job_id}.'
    puts e
    raise
  end

  state.each_with_index do |batch_state, i|
    if batch_state['state'][0] == 'Completed' && return_result == true
      state[i].merge!({'response' => self.get_batch_result(batch_state['id'][0])})
    end
  end
  state
end