Exception: DDQL::QueryExpressionError

Inherits:
StandardError
  • Object
show all
Defined in:
lib/ddql/query_expression_error.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(expression:, cause: nil, message: nil) ⇒ QueryExpressionError

Returns a new instance of QueryExpressionError.



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# File 'lib/ddql/query_expression_error.rb', line 5

def initialize(expression:, cause: nil, message: nil)
  @cause      = cause
  @expression = expression
  @message    = message || (cause ? cause.message : 'invalid expression')
end

Instance Attribute Details

#cause ⇒ Object (readonly)

Returns the value of attribute cause.



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# File 'lib/ddql/query_expression_error.rb', line 3

def cause
  @cause
end

#expression ⇒ Object (readonly)

Returns the value of attribute expression.



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# File 'lib/ddql/query_expression_error.rb', line 3

def expression
  @expression
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/ddql/query_expression_error.rb', line 11

def to_s
  "failed to parse #{@expression}: #{@message}"
end