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Creating pluggable operators

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Drools supports creation of pluggable operators. This is a small tutorial on how to create a “str” operator that can be used to compare string values in LHS patterns. The operator adds the ability to write patterns such as: $m : Message( routingValue str[startsWith] "R1" ) $m : Message( routingValue str[endsWith] "R2" ) or $mRead more →