Class: Sunspot::Search::Hit

Inherits:
Object
  • Object
show all
Defined in:
lib/sunspot/search/hit.rb

Overview

Hit objects represent the raw information returned by Solr for a single document. As well as the primary key and class name, hit objects give access to stored field values, keyword relevance score, and keyword highlighting.

Constant Summary collapse

SPECIAL_KEYS =

:nodoc:

Set.new(%w(id type score))

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(raw_hit, highlights, search) ⇒ Hit

:nodoc:



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# File 'lib/sunspot/search/hit.rb', line 29

def initialize(raw_hit, highlights, search) #:nodoc:
  @class_name, @primary_key = *raw_hit['id'].match(/([^ ]+) (.+)/)[1..2]
  @score = raw_hit['score']
  @search = search
  @stored_values = raw_hit
  @stored_cache = {}
  @highlights = highlights
end

Instance Attribute Details

#class_name ⇒ Object (readonly)

Class name of object associated with this hit, as string.



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# File 'lib/sunspot/search/hit.rb', line 19

def class_name
  @class_name
end

#primary_key ⇒ Object (readonly)

Primary key of object associated with this hit, as string.



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# File 'lib/sunspot/search/hit.rb', line 15

def primary_key
  @primary_key
end

#result ⇒ Object Also known as: instance

Retrieve the instance associated with this hit. This is lazy-loaded, but the first time it is called on any hit, all the hits for the search will load their instances using the adapter’s #load_all method.



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# File 'lib/sunspot/search/hit.rb', line 88

def result
  return @result if defined?(@result)
  @search.populate_hits
  @result
end

#score ⇒ Object (readonly)

Keyword relevance score associated with this result. Nil if this hit is not from a keyword search.



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# File 'lib/sunspot/search/hit.rb', line 24

def score
  @score
end

Instance Method Details

#highlight(field_name) ⇒ Object

Return the first highlight found for a given field, or nil if there is none.



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# File 'lib/sunspot/search/hit.rb', line 54

def highlight(field_name)
  highlights(field_name).first
end

#highlights(field_name = nil) ⇒ Object

Returns all highlights for this hit when called without parameters. When a field_name is provided, returns only the highlight for this field.



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# File 'lib/sunspot/search/hit.rb', line 42

def highlights(field_name = nil)
  if field_name.nil?
    highlights_cache.values.flatten 
  else
    highlights_cache[field_name.to_sym]
  end || []
end

#inspect ⇒ Object

:nodoc:



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# File 'lib/sunspot/search/hit.rb', line 95

def inspect #:nodoc:
  "#<Sunspot::Search::Hit:#{@class_name} #{@primary_key}>"
end

#stored(field_name, dynamic_field_name = nil) ⇒ Object

Retrieve stored field value. For any attribute field configured with :stored => true, the Hit object will contain the stored value for that field. The value of this field will be typecast according to the type of the field.

Parameters

field_name<Symbol>

The name of the field for which to retrieve the stored value.

dynamic_field_name<Symbol>

If you want to access a stored dynamic field, this should be the dynamic component of the field name.



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# File 'lib/sunspot/search/hit.rb', line 72

def stored(field_name, dynamic_field_name = nil)
  field_key =
    if dynamic_field_name
      [field_name.to_sym, dynamic_field_name.to_sym]
    else
      field_name.to_sym
    end
  return @stored_cache[field_key] if @stored_cache.has_key?(field_key)
  @stored_cache[field_key] = stored_value(field_name, dynamic_field_name)
end

#to_param ⇒ Object

Returns the instance primary key when the Hit is used to generate urls For example, using a search that stores the :name attribute:

hits = Sunspot.search(Object) do ...

hits.each do |hit|
  link_to hit.stored(:name), edit_object_path(hit)
end



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# File 'lib/sunspot/search/hit.rb', line 109

def to_param
  self.primary_key
end