Class: Transaction

Inherits:
Object
  • Object
show all
Defined in:
lib/ObjectModel/Repository/Transaction.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Transaction

Returns a new instance of Transaction.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 6

def initialize
  @name = "default"
  @copies = Hash.new{|hash, key| raise "Can't find Copy for '#{key}'entity_id!"}
  @new_entities = Hash.new{|hash, key| raise "Can't find New Entity for '#{key}' entity_id!"}
  @deleted_entities = Hash.new{|hash, key| raise "Can't find Deleted Entity for '#{key}' entity_id!"}
  @event_processor = EventProcessor.new(self)
  @system_listener = SystemListener.new(self)
  @commited = false
  @managed = false
end

Instance Attribute Details

#copies ⇒ Object (readonly)

Returns the value of attribute copies.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def copies
  @copies
end

#deleted_entities ⇒ Object (readonly)

Returns the value of attribute deleted_entities.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def deleted_entities
  @deleted_entities
end

#event_processor ⇒ Object (readonly)

Returns the value of attribute event_processor.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def event_processor
  @event_processor
end

#managed ⇒ Object

Returns the value of attribute managed.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 4

def managed
  @managed
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def name
  @name
end

#new_entities ⇒ Object (readonly)

Returns the value of attribute new_entities.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def new_entities
  @new_entities
end

#repository ⇒ Object

Returns the value of attribute repository.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def repository
  @repository
end

#system_listener ⇒ Object (readonly)

Returns the value of attribute system_listener.



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 2

def system_listener
  @system_listener
end

Instance Method Details

#changed?(entity_id) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ObjectModel/Repository/Transaction.rb', line 47

def changed? entity_id
  entity_id.should! :be_a, String
  @copies.include?(entity_id) || @new_entities.include?(entity_id)
end

#commit ⇒ Object 



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 43

def commit
  @repository.commit self
end

#commited! ⇒ Object 



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 35

def commited!
  @commited = true
end

#commited? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ObjectModel/Repository/Transaction.rb', line 39

def commited?
  @commited
end

#copy_get!(entity) ⇒ Object 



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 17

def copy_get! entity      
  unless @copies.include? entity.entity_id
    copy = AnEntity::EntityType.create_copy entity
    @copies[entity.entity_id] = copy
  end
  @copies[entity.entity_id]
end

#resolve(entity_id) ⇒ Object 



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 25

def resolve entity_id
  if @new_entities.include? entity_id
    @new_entities[entity_id]    
  elsif @deleted_entities.include? entity_id
    @deleted_entities[entity_id]
  else
    @repository.by_id(entity_id)
  end
end

#to_s ⇒ Object Also known as: inspect 



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# File 'lib/ObjectModel/Repository/Transaction.rb', line 52

def to_s
  types = {:new => 0, :deleted => 0, :updated => 0, :moved => 0}   
  methods = types.keys
  @copies.values.each do |c|
    methods.each do |m| 
      types[m] += 1 if c.send :"#{m}?"
    end   
  end    
  return "#<Transaction: #{@name}#{commited? ? ", commited" : ""}, #{types.inspect}>"
end