Class: Tire::Index

Inherits:
Object
  • Object
show all
Defined in:
lib/tire/index.rb

Constant Summary collapse

SUPPORTED_META_PARAMS_FOR_BULK = 
[:_routing, :_ttl, :_version, :_version_type, :_percolate, :_parent, :_timestamp]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, &block) ⇒ Index

Returns a new instance of Index.



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# File 'lib/tire/index.rb', line 8

def initialize(name, &block)
  @name = name
  block.arity < 1 ? instance_eval(&block) : block.call(self) if block_given?
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/tire/index.rb', line 6

def name
  @name
end

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/tire/index.rb', line 6

def response
  @response
end

Instance Method Details

#add_alias(alias_name, configuration = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 45

def add_alias(alias_name, configuration={})
  Alias.create(configuration.merge( :name => alias_name, :index => @name ) )
end

#aliases(alias_name = nil) ⇒ Object 



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# File 'lib/tire/index.rb', line 53

def aliases(alias_name=nil)
  alias_name ? Alias.all(@name).select { |a| a.name == alias_name }.first : Alias.all(@name)
end

#analyze(text, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 391

def analyze(text, options={})
  options = {:pretty => true}.update(options)
  params  = options.to_param
  @response = Configuration.client.get "#{url}/_analyze?#{params}", text
  @response.success? ? MultiJson.decode(@response.body) : false

ensure
  curl = %Q|curl -X GET "#{url}/_analyze?#{params}" -d '#{text}'|
  logged('_analyze', curl)
end

#bulk(action, documents, options = {}) ⇒ Object

Performs a bulk request

@myindex.bulk :index, [ {id: 1, title: 'One'}, { id: 2, title: 'Two', _version: 3 } ], refresh: true

Pass the action (index, create, delete) as the first argument, the collection of documents as the second argument, and URL parameters as the last option.

Any meta information contained in documents (such as _routing or _parent) is extracted and added to the "header" line.

Shortcut methods bulk_store, bulk_delete and bulk_create are available.



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# File 'lib/tire/index.rb', line 165

def bulk(action, documents, options={})
  return false if documents.empty?

  # TODO: A more Ruby-like DSL notation should be supported:
  #
  #     Tire.index('myindex').bulk do
  #       create id: 1, title: 'bar', _routing: 'abc'
  #       delete id: 1
  #       # ...
  #     end

  payload = documents.map do |document|
    type = get_type_from_document(document, :escape => false) # Do not URL-escape the _type
    id   = get_id_from_document(document)

    if ENV['DEBUG']
      STDERR.puts "[ERROR] Document #{document.inspect} does not have ID" unless id
    end

    header = { action.to_sym => { :_index => name, :_type => type, :_id => id } }

    if document.respond_to?(:to_hash) && doc_hash = document.to_hash
      meta = doc_hash.select do |k,v|
        [ :_parent,
          :_percolate,
          :_routing,
          :_timestamp,
          :_ttl,
          :_version,
          :_version_type].include?(k)
      end
      # Normalize Ruby 1.8 and Ruby 1.9 Hash#select behaviour
      meta = Hash[meta] unless meta.is_a?(Hash)

      # meta = SUPPORTED_META_PARAMS_FOR_BULK.inject({}) { |hash, param|
      #   value = doc_hash.delete(param)
      #   hash[param] = value unless !value || value.empty?
      #   hash
      # }
      header[action.to_sym].update(meta)
    end

    output = []
    output << MultiJson.encode(header)
    output << convert_document_to_json(document) unless action.to_s == 'delete'
    output.join("\n")
  end
  payload << ""

  tries = 5
  count = 0

  begin
    params = {}
    params[:consistency] = options.delete(:consistency)
    params[:refresh]     = options.delete(:refresh)
    params               = params.reject { |name,value| !value }
    params_encoded       = params.empty? ? '' : "?#{params.to_param}"

    @response = Configuration.client.post("#{url}/_bulk#{params_encoded}", payload.join("\n"))
    raise RuntimeError, "#{@response.code} > #{@response.body}" if @response && @response.failure?
    @response
  rescue StandardError => error
    if count < tries
      count += 1
      STDERR.puts "[ERROR] #{error.message}, retrying (#{count})..."
      retry
    else
      STDERR.puts "[ERROR] Too many exceptions occured, giving up. The HTTP response was: #{error.message}"
      raise if options[:raise]
    end

  ensure
    data = Configuration.logger && Configuration.logger.level.to_s == 'verbose' ? payload.join("\n") : '... data omitted ...'
    curl = %Q|curl -X POST "#{url}/_bulk" --data-binary '#{data}'|
    logged('_bulk', curl)
  end

end

#bulk_create(documents, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 245

def bulk_create(documents, options={})
  bulk :create, documents, options
end

#bulk_delete(documents, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 253

def bulk_delete(documents, options={})
  bulk :delete, documents, options
end

#bulk_store(documents, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 249

def bulk_store(documents, options={})
  bulk :index, documents, options
end

#close(options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 382

def close(options={})
  @response = Configuration.client.post "#{url}/_close", MultiJson.encode(options)
  MultiJson.decode(@response.body)['ok']

ensure
  curl = %Q|curl -X POST "#{url}/_close"|
  logged('_close', curl)
end

#convert_document_to_json(document) ⇒ Object 



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# File 'lib/tire/index.rb', line 496

def convert_document_to_json(document)
  document = case
    when document.is_a?(String)
      if ENV['DEBUG']
        Tire.warn "Passing the document as JSON string has been deprecated, " +
                   "please pass an object which responds to `to_indexed_json` or a plain Hash."
      end
      document
    when document.respond_to?(:to_indexed_json) then document.to_indexed_json
    else raise ArgumentError, "Please pass a JSON string or object with a 'to_indexed_json' method," +
                              "'#{document.class}' given."
  end
end

#create(options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 35

def create(options={})
  @options = options
  @response = Configuration.client.post url, MultiJson.encode(options)
  @response.success? ? @response : false

ensure
  curl = %Q|curl -X POST #{url} -d '#{MultiJson.encode(options, :pretty => Configuration.pretty)}'|
  logged('CREATE', curl)
end

#delete ⇒ Object 



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# File 'lib/tire/index.rb', line 26

def delete
  @response = Configuration.client.delete url
  @response.success?

ensure
  curl = %Q|curl -X DELETE #{url}|
  logged('DELETE', curl)
end

#delete_mapping(type) ⇒ Object 



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# File 'lib/tire/index.rb', line 108

def delete_mapping(type)
  url = "#{self.url}/#{type}"
  @response = Configuration.client.delete(url)
  @response.success?
ensure
  curl = %Q|curl -X DELETE "#{url}"|
  logged("DELETE MAPPING #{type}", curl)
end

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tire/index.rb', line 17

def exists?
  @response = Configuration.client.head("#{url}")
  @response.success?

ensure
  curl = %Q|curl -I "#{url}"|
  logged('HEAD', curl)
end

#get_id_from_document(document) ⇒ Object 



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# File 'lib/tire/index.rb', line 484

def get_id_from_document(document)
  old_verbose, $VERBOSE = $VERBOSE, nil # Silence Object#id deprecation warnings
  id = case
    when document.is_a?(Hash)
      document[:_id] || document['_id'] || document[:id] || document['id']
    when document.respond_to?(:id) && document.id != document.object_id
      document.id.as_json
  end
  $VERBOSE = old_verbose
  id
end

#get_mapping ⇒ Object 



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# File 'lib/tire/index.rb', line 80

def get_mapping
  @response = Configuration.client.get("#{url}/_mapping")
  result = MultiJson.decode(@response.body)[@name]
  @response.success? ? result : false
ensure
  curl = %Q|curl -X GET "#{url}/_mapping?pretty"|
  logged("GET MAPPING", curl)
end

#get_type_from_document(document, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 464

def get_type_from_document(document, options={})
  options = {:escape => true}.merge(options)

  old_verbose, $VERBOSE = $VERBOSE, nil # Silence Object#type deprecation warnings
  type = case
    when document.respond_to?(:document_type)
      document.document_type
    when document.is_a?(Hash)
      document[:_type] || document['_type'] || document[:type] || document['type']
    when document.respond_to?(:_type)
      document._type
    when document.respond_to?(:type) && document.type != document.class
      document.type
    end
  $VERBOSE = old_verbose

  type ||= 'document'
  options[:escape] ? Utils.escape(type) : type
end

#import(klass_or_collection, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 257

def import(klass_or_collection, options={})
  case
    when method = options.delete(:method)
      options = {:page => 1, :per_page => 1000}.merge options
      while (documents = klass_or_collection.send(method.to_sym, options.merge(:page => options[:page]))) \
                        && documents.to_a.length > 0

        documents = yield documents if block_given?

        bulk_store documents, options
        GC.start
        options[:page] += 1
      end

    when klass_or_collection.respond_to?(:map)
      documents = block_given? ? yield(klass_or_collection) : klass_or_collection
      bulk_store documents, options

    else
      raise ArgumentError, "Please pass either an Enumerable compatible class, or a collection object " +
                           "with a method for fetching records in batches (such as 'paginate')."
  end
end

#logged(endpoint = '/', curl = '') ⇒ Object 



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# File 'lib/tire/index.rb', line 441

def logged(endpoint='/', curl='')
  if Configuration.logger
    error = $!

    Configuration.logger.log_request endpoint, @name, curl

    code = @response ? @response.code : error.class rescue 'N/A'

    if Configuration.logger.level.to_s == 'debug'
      body = if @response && @response.body && !@response.body.to_s.empty?
          MultiJson.encode( MultiJson.load(@response.body), :pretty => Configuration.pretty)
        elsif error && error.message && !error.message.to_s.empty?
          MultiJson.encode( MultiJson.load(error.message), :pretty => Configuration.pretty) rescue ''
        else ''
      end
    else
      body = ''
    end

    Configuration.logger.log_response code, nil, body
  end
end

#mapping(*args) ⇒ Object

Get or update the index mapping

Without arguments, returns the index mapping as a Hash

When passed arguments, attempts to update the index mapping:

index.mapping 'article', properties: { body: { type: "string" } }

You can pass the ignore_conflicts option as a part of the Hash:

index.mapping 'article', properties: { body: { type: "string" } }, ignore_conflicts: true



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# File 'lib/tire/index.rb', line 69

def mapping(*args)
  args.empty? ? get_mapping : put_mapping(*args)
end

#mapping!(*args) ⇒ Object

Raises an exception for unsuccessful responses

Raises:

  • (RuntimeError) 


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# File 'lib/tire/index.rb', line 75

def mapping!(*args)
  mapping(*args)
  raise RuntimeError, response.body unless response.success?
end

#open(options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 372

def open(options={})
  # TODO: Remove the duplication in the execute > rescue > ensure chain
  @response = Configuration.client.post "#{url}/_open", MultiJson.encode(options)
  MultiJson.decode(@response.body)['ok']

ensure
  curl = %Q|curl -X POST "#{url}/_open"|
  logged('_open', curl)
end

#percolate(*args, &block) ⇒ Object 



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# File 'lib/tire/index.rb', line 422

def percolate(*args, &block)
  document = args.shift
  type     = get_type_from_document(document)

  document = MultiJson.decode convert_document_to_json(document)

  query = Search::Query.new(&block).to_hash if block_given?

  payload = { :doc => document }
  payload.update( :query => query ) if query

  @response = Configuration.client.get "#{url}/#{type}/_percolate", MultiJson.encode(payload)
  MultiJson.decode(@response.body)['matches']

ensure
  curl = %Q|curl -X GET "#{url}/#{type}/_percolate?pretty" -d '#{MultiJson.encode(payload, :pretty => Configuration.pretty)}'|
  logged('_percolate', curl)
end

#put_mapping(type, mapping) ⇒ Object 



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# File 'lib/tire/index.rb', line 89

def put_mapping(type, mapping)
  params = {}
  if ignore_conflicts = mapping.delete(:ignore_conflicts) || mapping.delete("ignore_conflicts")
    params[:ignore_conflicts] = ignore_conflicts
  end

  url  = "#{self.url}/#{type}/_mapping"
  url += "?#{params.to_param}" unless params.empty?

  payload = { type => mapping }.to_json

  @response = Configuration.client.put url, payload
  result = MultiJson.decode(@response.body)
  @response.success? ? result : false
ensure
  curl = %Q|curl -X PUT "#{url}" -d '#{payload}'|
  logged("PUT MAPPING #{type}", curl)
end

#refresh ⇒ Object 



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# File 'lib/tire/index.rb', line 364

def refresh
  @response = Configuration.client.post "#{url}/_refresh", ''

ensure
  curl = %Q|curl -X POST "#{url}/_refresh"|
  logged('_refresh', curl)
end

#register_percolator_query(name, options = {}, &block) ⇒ Object 



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# File 'lib/tire/index.rb', line 402

def register_percolator_query(name, options={}, &block)
  options[:query] = Search::Query.new(&block).to_hash if block_given?

  @response = Configuration.client.put "#{Configuration.url}/_percolator/#{@name}/#{name}", MultiJson.encode(options)
  MultiJson.decode(@response.body)['ok']

ensure
  curl = %Q|curl -X PUT "#{Configuration.url}/_percolator/#{@name}/#{name}?pretty" -d '#{MultiJson.encode(options, :pretty => Configuration.pretty)}'|
  logged('_percolator', curl)
end

#reindex(name, options = {}, &block) ⇒ Object 



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# File 'lib/tire/index.rb', line 281

def reindex(name, options={}, &block)
  new_index = Index.new(name)
  new_index.create(options) unless new_index.exists?

  transform = options.delete(:transform)

  Search::Scan.new(self.name, &block).each do |results|

    documents = results.map do |document|
      document  = document.to_hash.except(:type, :_index, :_explanation, :_score, :_version, :highlight, :sort)
      document  = transform.call(document) if transform
      document
    end

    new_index.bulk_store documents
  end
end

#remove(*args) ⇒ Object 



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# File 'lib/tire/index.rb', line 299

def remove(*args)
  if args.size > 1
    type, document = args
    type           = Utils.escape(type)
    id             = get_id_from_document(document) || document
  else
    document = args.pop
    type     = get_type_from_document(document)
    id       = get_id_from_document(document) || document
  end
  raise ArgumentError, "Please pass a document ID" unless id

  url    = "#{self.url}/#{type}/#{Utils.escape(id)}"
  result = Configuration.client.delete url
  MultiJson.decode(result.body) if result.success?

ensure
  curl = %Q|curl -X DELETE "#{url}"|
  logged("#{type}/#{id}", curl)
end

#remove_alias(alias_name) ⇒ Object 



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# File 'lib/tire/index.rb', line 49

def remove_alias(alias_name)
  Alias.find(alias_name) { |a| a.indices.delete @name }.save
end

#retrieve(type, id, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 320

def retrieve(type, id, options={})
  raise ArgumentError, "Please pass a document ID" unless id

  url       = "#{self.url}/#{Utils.escape(type)}/#{Utils.escape(id)}"

  params    = {}
  params[:routing]    = options[:routing] if options[:routing]
  params[:fields]     = options[:fields]  if options[:fields]
  params[:preference] = options[:preference] if options[:preference]
  params_encoded      = params.empty? ? '' : "?#{params.to_param}"

  @response = Configuration.client.get "#{url}#{params_encoded}"

  h = MultiJson.decode(@response.body)
  wrapper = options[:wrapper] || Configuration.wrapper
  if wrapper == Hash then h
  else
    return nil if h['exists'] == false
    document = h['_source'] || h['fields'] || {}
    document.update('id' => h['_id'], '_type' => h['_type'], '_index' => h['_index'], '_version' => h['_version'])
    wrapper.new(document)
  end

ensure
  curl = %Q|curl -X GET "#{url}"|
  logged("#{type}/#{id}", curl)
end

#settings ⇒ Object 



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# File 'lib/tire/index.rb', line 117

def settings
  @response = Configuration.client.get("#{url}/_settings")
  MultiJson.decode(@response.body)[@name]['settings']
end

#store(*args) ⇒ Object 



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# File 'lib/tire/index.rb', line 122

def store(*args)
  document, options = args

  id       = get_id_from_document(document)
  type     = get_type_from_document(document)
  document = convert_document_to_json(document)

  options ||= {}
  params    = {}

  if options[:percolate]
    params[:percolate] = options[:percolate]
    params[:percolate] = "*" if params[:percolate] === true
  end

  params[:parent]  = options[:parent]  if options[:parent]
  params[:routing] = options[:routing] if options[:routing]
  params[:replication] = options[:replication] if options[:replication]
  params[:version] = options[:version] if options[:version]

  params_encoded = params.empty? ? '' : "?#{params.to_param}"

  url  = id ? "#{self.url}/#{type}/#{Utils.escape(id)}#{params_encoded}" : "#{self.url}/#{type}/#{params_encoded}"

  @response = Configuration.client.post url, document
  MultiJson.decode(@response.body)
ensure
  curl = %Q|curl -X POST "#{url}" -d '#{document}'|
  logged([type, id].join('/'), curl)
end

#unregister_percolator_query(name) ⇒ Object 



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# File 'lib/tire/index.rb', line 413

def unregister_percolator_query(name)
  @response = Configuration.client.delete "#{Configuration.url}/_percolator/#{@name}/#{name}"
  MultiJson.decode(@response.body)['ok']

ensure
  curl = %Q|curl -X DELETE "#{Configuration.url}/_percolator/#{@name}"|
  logged('_percolator', curl)
end

#update(type, id, payload = {}, options = {}) ⇒ Object 



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# File 'lib/tire/index.rb', line 348

def update(type, id, payload={}, options={})
  raise ArgumentError, "Please pass a document type" unless type
  raise ArgumentError, "Please pass a document ID"   unless id
  raise ArgumentError, "Please pass a script or partial document in the payload hash" unless payload[:script] || payload[:doc]

  type      = Utils.escape(type)
  url       = "#{self.url}/#{type}/#{Utils.escape(id)}/_update"
  url      += "?#{options.to_param}" unless options.keys.empty?
  @response = Configuration.client.post url, MultiJson.encode(payload)
  MultiJson.decode(@response.body)

ensure
  curl = %Q|curl -X POST "#{url}" -d '#{MultiJson.encode(payload, :pretty => Configuration.pretty)}'|
  logged(id, curl)
end

#url ⇒ Object 



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# File 'lib/tire/index.rb', line 13

def url
  "#{Configuration.url}/#{@name}"
end