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Versions: 12
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Contents
require 'riak/search'
require 'riak/errors/search_error'
module Riak::Search
# A schema is a Riak Search 2 concept that describes how to index documents.
# They're implemented as a standard Solr XML schema.
class Schema
# @return [String] the name of the schema
attr_reader :name
# Initializes a schema object, that may or may not exist.
#
# @param [Riak::Client] client the client connected to the Riak cluster
# you wish to operate on
# @param [String] name the name of the schema
def initialize(client, name)
@client = client
@name = name
end
# @return [Boolean] does this schema exist on Riak?
def exists?
!!schema_data
end
# @return [String] the XML content of this schema
def content
schema_data.content
end
# @param [String] content the XML content of this schema
# @raise [Riak::SearchError::SchemaExistsError] if a schema with the given
# name already exists
def create!(content)
fail Riak::SearchError::SchemaExistsError.new name if exists?
@client.backend do |b|
b.create_search_schema name, content
end
@schema_data = nil
true
end
private
def schema_data
return @schema_data if defined?(@schema_data) && @schema_data
sd = nil
begin
sd = @client.backend do |b|
b.get_search_schema name
end
rescue Riak::ProtobuffsFailedRequest => e
return nil if e.not_found?
raise e
end
@schema_data = sd
end
end
end
Version data entries
12 entries across 12 versions & 2 rubygems