Class: GreyscaleRecord::DataStore::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/greyscale_record/data_store/store.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Store

Returns a new instance of Store.



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# File 'lib/greyscale_record/data_store/store.rb', line 4

def initialize
  @data = {}
  @tables = {}
end

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/greyscale_record/data_store/store.rb', line 9

def []( name )
  data[ name ]
end

#apply_patch(patch) ⇒ Object

This only allows for one patch at a time. Is there ever a case when we would need, like a stack of these things? I don’t think so?



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# File 'lib/greyscale_record/data_store/store.rb', line 36

def apply_patch( patch )
  Thread.current[patch_key] = patched_data patch
end

#init_table(name, rows) ⇒ Object 



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# File 'lib/greyscale_record/data_store/store.rb', line 21

def init_table( name, rows )
  @data[name] = rows
  @tables[name] = Table.new( name, self )
end

#patched? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/greyscale_record/data_store/store.rb', line 44

def patched?
  Thread.current[patch_key].present?
end

#remove_patch ⇒ Object 



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# File 'lib/greyscale_record/data_store/store.rb', line 40

def remove_patch
  Thread.current[patch_key] = nil
end

#table(name) ⇒ Object 



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# File 'lib/greyscale_record/data_store/store.rb', line 13

def table( name )
  unless @tables[name]
    raise GreyscaleRecord::Errors::DataStoreError, "Data Store error: table '#{name}' does not exist"
  end

  @tables[name]
end

#with_patch(patch) ⇒ Object 



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# File 'lib/greyscale_record/data_store/store.rb', line 26

def with_patch( patch )
  apply_patch patch
  yield
  remove_patch
end