Class: ActiveFedora::ContentModel

Inherits:
Base
  • Object
show all
Defined in:
lib/active_fedora/content_model.rb

Constant Summary collapse

CMODEL_NAMESPACE = 
"afmodel"
CMODEL_PID_SUFFIX = 
""

Instance Attribute Summary collapse

Attributes included from SemanticNode

#load_from_solr, #relationships_loaded, #subject

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#==, #adapt_to, #adapt_to_cmodel, assign_pid, #clone, #clone_into, connection_for_pid, #create_date, datastream_class_for_name, #id, #init_with, #inner_object, #internal_uri, #label, #mark_for_destruction, #marked_for_destruction?, #method_missing, #modified_date, #new?, #new_object?, #new_record?, #owner_id, #owner_id=, #persisted?, #pid, pids_from_uris, #pretty_pid, #reify, #reify!, #reload, shard_index, #state, #to_key, #to_param

Methods included from SemanticNode

#add_relationship, #assert_kind_of, #clear_relationship, #conforms_to?, #ids_for_outbound, #inbound_relationship_predicates, #inbound_relationships, #load_relationships, #object_relations, #outbound_relationship_predicates, #outbound_relationships, #relationship_predicates, #relationships, #relationships_are_dirty, #relationships_are_dirty=, #relationships_desc, #remove_relationship

Constructor Details

#initialize(attrs = {}) ⇒ ContentModel

Returns a new instance of ContentModel.



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# File 'lib/active_fedora/content_model.rb', line 8

def initialize(attrs={})
  @pid_suffix = attrs.has_key?(:pid_suffix) ? attrs[:pid_suffix] : CMODEL_PID_SUFFIX
  @namespace = attrs.has_key?(:namespace) ? attrs[:namespace] : CMODEL_NAMESPACE
  super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class ActiveFedora::Base

Instance Attribute Details

#namespace ⇒ Object

Returns the value of attribute namespace.



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# File 'lib/active_fedora/content_model.rb', line 6

def namespace
  @namespace
end

#pid_suffix ⇒ Object

Returns the value of attribute pid_suffix.



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# File 'lib/active_fedora/content_model.rb', line 6

def pid_suffix
  @pid_suffix
end

Class Method Details

.default_model(obj) ⇒ Object

Returns a ruby class to use if no other class could be find to instantiate Override this method if you need something other than the default strategy



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# File 'lib/active_fedora/content_model.rb', line 46

def self.default_model(obj)
  ActiveFedora::Base
end

.known_models_for(obj) ⇒ Object

returns an array of the model classes that are defined in the current application that the given object asserts (ie. if the object asserts a StreamingVideo model but the application doesn’t define a StreamingVideo model, it will be excluded from this list.



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# File 'lib/active_fedora/content_model.rb', line 28

def self.known_models_for(obj)
  models_array = []
  models_asserted_by( obj ).each do |model_uri|
    m = uri_to_model_class(model_uri)
    if m
      models_array << m
    end
  end
  
  if models_array.empty?
    models_array = [default_model(obj)]
  end
  
  return models_array
end

.models_asserted_by(obj) ⇒ Object

list all of the models asserted by the provided object



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# File 'lib/active_fedora/content_model.rb', line 20

def self.models_asserted_by(obj)
  obj.relationships(:has_model)
end

.sanitized_class_name(klass) ⇒ Object

Override this, if you prefer your class names serialized some other way



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# File 'lib/active_fedora/content_model.rb', line 15

def self.sanitized_class_name(klass)
  klass.name.gsub(/(::)/, '_')
end

.uri_to_model_class(uri) ⇒ Object

Returns an ActiveFedora Model class corresponding to the given uri if one can be found. Returns false if no corresponding model can be found.



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# File 'lib/active_fedora/content_model.rb', line 53

def self.uri_to_model_class( uri )
  rc = Model.from_class_uri(uri)
  if rc && (rc.superclass == ActiveFedora::Base || rc.ancestors.include?(ActiveFedora::Base))
    rc
  else
    false
  end
end