Class: DbmsBuffers::SimpleGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/dbms_buffers/generators.rb

Overview

The SimpleGenerator generates random elements for putting into the buffer. By default, it generates a letter from A to Z. This can be adjusted using the range method, e.g. SimpleGenerator.new.range([‘A’, ‘B’, ‘C’])

Instance Method Summary collapse

Constructor Details

#initialize(seed = Random.new_seed) ⇒ SimpleGenerator

Returns a new instance of SimpleGenerator.



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# File 'lib/dbms_buffers/generators.rb', line 9

def initialize(seed = Random.new_seed)
  @rng = Random.new(seed)
  @range = *('A'..'Z')
end

Instance Method Details

#get ⇒ Object 



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# File 'lib/dbms_buffers/generators.rb', line 19

def get
  idx = @rng.rand(@range.size)
  @range[idx]
end

#range(range) ⇒ Object 



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# File 'lib/dbms_buffers/generators.rb', line 14

def range(range)
  @range = range.to_a
  self
end

#repeat(amount) ⇒ Object 



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# File 'lib/dbms_buffers/generators.rb', line 24

def repeat(amount)
  result = []
  amount.times { result << get }
  result
end