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module Neo4j
module Index
module ClassMethods
attr_reader :_indexer
extend Forwardable
##
# See Neo4j::Index::Indexer#index
# Forwards to the indexer that should be used.
# It is possible to share the same index for several different classes, see #node_indexer.
# :singleton-method: index
##
# See Neo4j::Index::Indexer#find
# Forwards to the indexer that should be used.
# It is possible to share the same index for several different classes, see #node_indexer.
# :singleton-method: find
def_delegators :@_indexer, :index, :find, :index?, :index_type?, :delete_index_type, :rm_field_type, :add_index, :rm_index, :index_type_for, :index_name
# Sets which indexer should be used for the given node class.
# You can share an indexer between several different classes.
#
# ==== Example
# class Contact
# include Neo4j::NodeMixin
# index :name
# has_one :phone
# end
#
# class Phone
# include Neo4j::NodeMixin
# property :phone
# node_indexer Contact # put index on the Contact class instead
# index :phone
# end
#
# # Find an contact with a phone number, this works since they share the same index
# Contact.find('phone: 12345').first #=> a phone object !
#
# ==== Returns
# The indexer that should be used to index the given class
def node_indexer(clazz)
indexer(clazz, :node)
end
# Sets which indexer should be used for the given relationship class
# Same as #node_indexer except that it indexes relationships instead of nodes.
#
def rel_indexer(clazz)
indexer(clazz, :rel)
end
def indexer(clazz, type) #:nodoc:
@_indexer = IndexerRegistry.create_for(self, clazz, type)
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems