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session.rb
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session.rb
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module Sunspot
#
# A Sunspot session encapsulates a connection to Solr and a set of
# configuration choices. Though users of Sunspot may manually instantiate
# Session objects, in the general case it's easier to use the singleton
# stored in the Sunspot module. Since the Sunspot module provides all of
# the instance methods of Session as class methods, they are not documented
# again here.
#
class Session
class <<self
attr_writer :connection_class #:nodoc:
#
# For testing purposes
#
def connection_class #:nodoc:
@connection_class ||= RSolr
end
end
#
# Sunspot::Configuration object for this session
#
attr_reader :config
#
# Sessions are initialized with a Sunspot configuration and a Solr
# connection. Usually you will want to stick with the default arguments
# when instantiating your own sessions.
#
def initialize(config = Configuration.build, connection = nil)
@config = config
yield(@config) if block_given?
@connection = connection
@deletes = @adds = 0
end
#
# See Sunspot.new_search
#
def new_search(*types, &block)
types.flatten!
search = Search::StandardSearch.new(
connection,
setup_for_types(types),
Query::StandardQuery.new(types),
@config
)
search.build(&block) if block
search
end
#
# See Sunspot.search
#
def search(*types, &block)
search = new_search(*types, &block)
search.execute
end
#
# See Sunspot.new_more_like_this
#
def new_more_like_this(object, *types, &block)
types[0] ||= object.class
mlt = Search::MoreLikeThisSearch.new(
connection,
setup_for_types(types),
Query::MoreLikeThisQuery.new(object, types),
@config
)
mlt.build(&block) if block
mlt
end
#
# See Sunspot.more_like_this
#
def more_like_this(object, *types, &block)
mlt = new_more_like_this(object, *types, &block)
mlt.execute
end
#
# See Sunspot.index
#
def index(*objects)
objects.flatten!
@adds += objects.length
indexer.add(objects)
end
#
# See Sunspot.index!
#
def index!(*objects)
index(*objects)
commit
end
#
# See Sunspot.atomic_update
#
def atomic_update(clazz, updates = {})
@adds += updates.keys.length
indexer.add_atomic_update(clazz, updates)
end
#
# See Sunspot.atomic_update!
#
def atomic_update!(clazz, updates = {})
atomic_update(clazz, updates)
commit
end
#
# See Sunspot.commit
#
def commit(soft_commit = false)
@adds = @deletes = 0
connection.commit :commit_attributes => {:softCommit => soft_commit}
end
#
# See Sunspot.optimize
#
def optimize
@adds = @deletes = 0
connection.optimize
end
#
# See Sunspot.remove
#
def remove(*objects, &block)
if block
types = objects
conjunction = Query::Connective::Conjunction.new
if types.length == 1
conjunction.add_positive_restriction(TypeField.instance, Query::Restriction::EqualTo, types.first)
else
conjunction.add_positive_restriction(TypeField.instance, Query::Restriction::AnyOf, types)
end
dsl = DSL::Scope.new(conjunction, setup_for_types(types))
Util.instance_eval_or_call(dsl, &block)
indexer.remove_by_scope(conjunction)
else
objects.flatten!
@deletes += objects.length
objects.each do |object|
indexer.remove(object)
end
end
end
#
# See Sunspot.remove!
#
def remove!(*objects, &block)
remove(*objects, &block)
commit
end
#
# See Sunspot.remove_by_id
#
def remove_by_id(clazz, *ids)
class_name =
if clazz.is_a?(Class)
clazz.name
else
clazz.to_s
end
indexer.remove_by_id(class_name, ids)
end
#
# See Sunspot.remove_by_id!
#
def remove_by_id!(clazz, *ids)
remove_by_id(clazz, ids)
commit
end
#
# See Sunspot.remove_all
#
def remove_all(*classes)
classes.flatten!
if classes.empty?
@deletes += 1
indexer.remove_all
else
@deletes += classes.length
classes.each { |clazz| indexer.remove_all(clazz) }
end
end
#
# See Sunspot.remove_all!
#
def remove_all!(*classes)
remove_all(*classes)
commit
end
#
# See Sunspot.dirty?
#
def dirty?
(@deletes + @adds) > 0
end
#
# See Sunspot.commit_if_dirty
#
def commit_if_dirty(soft_commit = false)
commit soft_commit if dirty?
end
#
# See Sunspot.delete_dirty?
#
def delete_dirty?
@deletes > 0
end
#
# See Sunspot.commit_if_delete_dirty
#
def commit_if_delete_dirty(soft_commit = false)
commit soft_commit if delete_dirty?
end
#
# See Sunspot.batch
#
def batch
indexer.start_batch
yield
indexer.flush_batch
end
private
#
# Retrieve the Solr connection for this session, creating one if it does not
# already exist.
#
# ==== Returns
#
# RSolr::Connection::Base:: The connection for this session
#
def connection
@connection ||= self.class.connection_class.connect(
url: config.solr.url,
read_timeout: config.solr.read_timeout,
open_timeout: config.solr.open_timeout,
proxy: config.solr.proxy,
update_format: update_format
)
end
def indexer
@indexer ||= Indexer.new(connection)
end
def setup_for_types(types)
if types.empty?
raise(ArgumentError, "You must specify at least one type to search")
end
if types.length == 1
Setup.for(types.first)
else
CompositeSetup.for(types)
end
end
def update_format
if config.solr.update_format && config.solr.update_format.to_s.match(/xml|json/i)
config.solr.update_format.downcase.to_sym
else
:xml
end
end
end
end