Class: DataMapper::Resource::PersistenceState

Inherits:
Object
  • Object
show all
Extended by:
Equalizer
Defined in:
lib/dm-core/resource/persistence_state.rb,
lib/dm-core/resource/persistence_state/clean.rb,
lib/dm-core/resource/persistence_state/dirty.rb,
lib/dm-core/resource/persistence_state/deleted.rb,
lib/dm-core/resource/persistence_state/immutable.rb,
lib/dm-core/resource/persistence_state/persisted.rb,
lib/dm-core/resource/persistence_state/transient.rb

Overview

the state of the resource (abstract)

Direct Known Subclasses

Immutable, Persisted, Transient

Defined Under Namespace

Classes: Clean, Deleted, Dirty, Immutable, Persisted, Transient

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Equalizer

equalize

Constructor Details

#initialize(resource) ⇒ PersistenceState

Returns a new instance of PersistenceState.



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# File 'lib/dm-core/resource/persistence_state.rb', line 11

def initialize(resource)
  @resource = resource
  @model    = resource.model
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/dm-core/resource/persistence_state.rb', line 9

def model
  @model
end

#resource ⇒ Object (readonly)

Returns the value of attribute resource.



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# File 'lib/dm-core/resource/persistence_state.rb', line 9

def resource
  @resource
end

Instance Method Details

#commit ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dm-core/resource/persistence_state.rb', line 29

def commit
  raise NotImplementedError, "#{self.class}#commit should be implemented"
end

#delete ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dm-core/resource/persistence_state.rb', line 25

def delete
  raise NotImplementedError, "#{self.class}#delete should be implemented"
end

#get(subject, *args) ⇒ Object 



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# File 'lib/dm-core/resource/persistence_state.rb', line 16

def get(subject, *args)
  subject.get(resource, *args)
end

#rollback ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/dm-core/resource/persistence_state.rb', line 33

def rollback
  raise NotImplementedError, "#{self.class}#rollback should be implemented"
end

#set(subject, value) ⇒ Object 



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# File 'lib/dm-core/resource/persistence_state.rb', line 20

def set(subject, value)
  subject.set(resource, value)
  self
end