Class: Arelastic::Queries::Exists

Inherits:

Query

• Object
• Nodes::Node
• Query
• Arelastic::Queries::Exists

Defined in:

lib/arelastic/queries/exists.rb

Instance Attribute Summary

• #field ⇒ Object readonly

  Returns the value of attribute field.

• #options ⇒ Object readonly

  Returns the value of attribute options.

Instance Method Summary

• #as_elastic ⇒ Object
• #initialize(field, options = {}) ⇒ Exists constructor

  Options: “null_value” => “null”.

Methods inherited from Query

#negate, #nested

Methods inherited from Nodes::Node

#==, #convert_to_elastic, #read_option!

Methods included from Arities::Binary

#binary

Methods included from Arities::Polyadic

#polyadic

Methods included from Arities::Unary

#unary

Constructor Details

#initialize(field, options = {}) ⇒ Exists

Options:

"null_value" => "_null_"

# File 'lib/arelastic/queries/exists.rb', line 8

def initialize field, options = {}
  @field = field
  @options = options
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.

# File 'lib/arelastic/queries/exists.rb', line 4

def field
  @field
end

#options ⇒ Object (readonly)

Returns the value of attribute options.

# File 'lib/arelastic/queries/exists.rb', line 4

def options
  @options
end

Instance Method Details

#as_elastic ⇒ Object

# File 'lib/arelastic/queries/exists.rb', line 13

def as_elastic
  params = {"field" => field}.update(options)
  {"exists" => params}
end