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module Elasticsearch
module API
module Actions
# Return true if the specified document exists, false otherwise.
#
# @example
#
# client.exists? index: 'myindex', type: 'mytype', id: '1'
#
# @option arguments [String] :id The document ID (*Required*)
# @option arguments [String] :index The name of the index (*Required*)
# @option arguments [String] :type The type of the document (default: `_all`)
# @option arguments [String] :parent The ID of the parent document
# @option arguments [String] :preference Specify the node or shard the operation should be performed on
# (default: random)
# @option arguments [Boolean] :realtime Specify whether to perform the operation in realtime or search mode
# @option arguments [Boolean] :refresh Refresh the shard containing the document before performing the operation
# @option arguments [String] :routing Specific routing value
#
# @see http://elasticsearch.org/guide/reference/api/get/
#
def exists(arguments={})
raise ArgumentError, "Required argument 'id' missing" unless arguments[:id]
raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
arguments[:type] ||= UNDERSCORE_ALL
valid_params = [
:parent,
:preference,
:realtime,
:refresh,
:routing ]
method = HTTP_HEAD
path = Utils.__pathify Utils.__escape(arguments[:index]),
Utils.__escape(arguments[:type]),
Utils.__escape(arguments[:id])
params = Utils.__validate_and_extract_params arguments, valid_params
body = nil
Utils.__rescue_from_not_found do
perform_request(method, path, params, body).status == 200 ? true : false
end
end
alias_method :exists?, :exists
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems