class LogStash::Filters::MathFunctions::Power
Public Instance Methods
call(op1, op2)
click to toggle source
# File lib/logstash/filters/math_functions.rb, line 83 def call(op1, op2) op1 ** op2 end
invalid?(op1, op2, event = nil)
click to toggle source
# File lib/logstash/filters/math_functions.rb, line 87 def invalid?(op1, op2, event = nil) if op1.is_a?(Numeric) && op1 < 0 && !op2.integer? warning = "raising a negative number to a fractional exponent results in a complex number that cannot be stored in an event" if event # called from filter so log logger.warn(warning, "operand 1" => op1, "operand 2" => op2, "event" => event.to_hash) return true else # called from register don't log return warning for the error that is raised return warning end end nil end
name()
click to toggle source
# File lib/logstash/filters/math_functions.rb, line 79 def name "power" end