[rules-users] question on rule efficiency

When the value of a property is compared across two instances, is it better to create variables for the properties, or is using the object.property for the comparison equivalent? Here's an example: I need to match based on the strikePrice property. Is either version better than the other? version 1) putContract : OptionInstrument( optionType == OptionType.PUT) callContract : OptionInstrument( optionType == OptionType.CALL, strikePrice > putContract.strikePrice) // compare using navigation version 2) putContract : OptionInstrument( optionType == OptionType.PUT, putStrikePrice : strikePrice) // delcare the variable callContract : OptionInstrument( optionType == OptionType.CALL, strikePrice > putStrikePrice) // compare using variable -- View this message in context: http://www.nabble.com/question-on-rule-efficiency-tp17672843p17672843.html Sent from the drools - user mailing list archive at Nabble.com.