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Versions: 22
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Contents
require 'orm_adapter'
module Neo4j
module Rails
class Model
extend ::OrmAdapter::ToAdapter
class OrmAdapter < ::OrmAdapter::Base
NEO4J_REF_NODE_ID = 0
# Do not consider these to be part of the class list
def self.except_classes
@@except_classes ||= []
end
# Gets a list of the available models for this adapter
def self.model_classes
::Neo4j::Rails::Model.descendants.to_a.select{|k| !except_classes.include?(k.name)}
end
# get a list of column names for a given class
def column_names
klass.props.keys
end
# Get an instance by id of the model
def get!(id)
get(id) || raise("Node not found")
end
# Get an instance by id of the model
def get(id)
id = wrap_key(id)
return nil if id.to_i == NEO4J_REF_NODE_ID # getting the ref_node in this way is not supported
klass.load(id)
end
# Find the first instance matching conditions
def find_first(conditions)
klass.first(conditions)
end
# Find all models matching conditions
def find_all(conditions)
klass.all(conditions)
end
# Create a model using attributes
def create!(attributes)
klass.create(attributes)
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems