Class: Cassandra::Mocks::Statement::Comparitor

Inherits:
Struct
  • Object
show all
Defined in:
lib/cassandra_mocks/statement/comparitor.rb

Constant Summary collapse

COMPARISON_MAP = 
{
    lt: [-1],
    le: [-1, 0],
    eq: [0],
    ge: [0, 1],
    gt: [1]
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Comparitor

Returns a new instance of Comparitor.



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 14

def initialize(*args)
  super
  @comparitor = COMPARISON_MAP[operation]
end

Instance Attribute Details

#column ⇒ Object

Returns the value of attribute column

Returns:

  • (Object) —

    the current value of column



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 4

def column
  @column
end

#operation ⇒ Object

Returns the value of attribute operation

Returns:

  • (Object) —

    the current value of operation



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 4

def operation
  @operation
end

#value ⇒ Object

Returns the value of attribute value

Returns:

  • (Object) —

    the current value of value



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 4

def value
  @value
end

Instance Method Details

#check_against(row) ⇒ Object 



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 19

def check_against(row)
  if column.is_a?(Array)
    check_against_array(row[column])
  else
    @comparitor.include?(row[column] <=> value)
  end
end

#check_against_array(row_values, index = 0, prev_result = false) ⇒ Object 



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# File 'lib/cassandra_mocks/statement/comparitor.rb', line 27

def check_against_array(row_values, index = 0, prev_result = false)
  row_value = row_values[index]
  comparison_value = value[index]
  return prev_result unless row_value

  comparison = @comparitor.include?(row_value <=> comparison_value)
  return comparison if row_value != comparison_value

  check_against_array(row_values, index+1, comparison)
end