How to implement simple counter in WSO2 ESB? -

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i'm developing proxy service has count requests , injects number of requests in payload , sends next endpoint. develop counter can use class mediator easy , useful since loads in memory , makes fast, fact of writing java code needs compilation made me think of more agile method. came saving in file in registry, not since there no loading in memory , has i/o overhead. wondering if can implemented in script mediator example jscript.

i'm trying find best way that.


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