Class: Couchbase::ViewRow

Inherits:

Object

• Object
• Couchbase::ViewRow

show all

Defined in:

lib/couchbase/view_row.rb

Overview

Instance Attribute Summary (collapse)

• - (Hash) data

  The hash built from JSON document.

• - (Hash) doc

  The document hash.

• - (String) id

  The identificator of the document.

• - (Object) key

  The key which was emitted by map function.

• - (Hash) meta

  The meta data linked to the document.

• - (Object) value

  The value which was emitted by map function.

• - (Array<View>) views

  The list of views defined or empty array.

Class Method Summary (collapse)

• + (ViewRow) wrap(bucket, data)

  Wraps data hash into ViewRow instance.

Instance Method Summary (collapse)

• - (Object) [](key)

  Get attribute of the document.

• - (Object) []=(key, value)

  Set document attribute.

• - (true, false) design_doc?

  Check if the document is design.

• - (true, false) has_key?(key)

  Check attribute existence.

• - (true, false) has_views?

  Check if the document has views defines.

• - (ViewRow) initialize(bucket, data) constructor

  Initialize the document instance.

• - (Object) inspect

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# File 'lib/couchbase/view_row.rb', line 104

def initialize(bucket, data)
  @bucket = bucket
  @data = data
  @key = data['key']
  @value = data['value']
  @doc = data['doc']
  @id = if @value.is_a?(Hash) && @value['_id']
          @value['_id']
        else
          @data['id']
        end
  @views = []
  if design_doc? && @doc.has_key?('views')
    @doc['views'].each do |name, _|
      @views << name
      self.instance_eval "def \#{name}(params = {})\nView.new(@bucket, \"\\\#{@id}/_view/\#{name}\", params)\nend\n", __FILE__, __LINE__ + 1
    end
  end
  @meta = {}
  if @doc
    @doc.keys.each do |key|
      if %w($flags $expiration $cas).include?(key)
        @meta[key.sub(/^\$/, '')] = @doc.delete(key)
      end
    end
  end
end

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# File 'lib/couchbase/view_row.rb', line 41

def data
  @data
end

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# File 'lib/couchbase/view_row.rb', line 71

def doc
  @doc
end

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# File 'lib/couchbase/view_row.rb', line 78

def id
  @id
end

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# File 'lib/couchbase/view_row.rb', line 53

def key
  @key
end

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# File 'lib/couchbase/view_row.rb', line 85

def meta
  @meta
end

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# File 'lib/couchbase/view_row.rb', line 62

def value
  @value
end

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# File 'lib/couchbase/view_row.rb', line 92

def views
  @views
end

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# File 'lib/couchbase/view_row.rb', line 148

def self.wrap(bucket, data)
  ViewRow.new(bucket, data)
end

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# File 'lib/couchbase/view_row.rb', line 161

def [](key)
  @doc[key]
end

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# File 'lib/couchbase/view_row.rb', line 187

def []=(key, value)
  @doc[key] = value
end

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# File 'lib/couchbase/view_row.rb', line 196

def design_doc?
  !!(@doc && @id =~ %r(_design/))
end

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# File 'lib/couchbase/view_row.rb', line 173

def has_key?(key)
  @doc.has_key?(key)
end

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# File 'lib/couchbase/view_row.rb', line 207

def has_views?
  !!(design_doc? && !@views.empty?)
end

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# File 'lib/couchbase/view_row.rb', line 211

def inspect
  desc = "#<#{self.class.name}:#{self.object_id} "
  desc << [:@id, :@key, :@value, :@doc, :@meta, :@views].map do |iv|
    "#{iv}=#{instance_variable_get(iv).inspect}"
  end.join(' ')
  desc << ">"
  desc
end