type_checker.bal

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// Version 2.0 (the "License"); you may not use this file except
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# Represents the TypeChecker which is used by the runtime to check whether a type is a subtype of `rabbitmq:AnydataMessage`
isolated class TypeChecker {

    # Gets invoked during object initialization.
    #
    isolated function init() {}

    # Checks whether a given type is a subtype of `rabbitmq:AnydataMessage`.
    # 
    # + typeDesc - The type needed to be checked as a subtype of `rabbitmq:AnydataMessage`
    # + return - True if the type is a subtype of `rabbitmq:AnydataMessage`, else false
    isolated function isAnydataMessage(typedesc<anydata> typeDesc) returns boolean {
        if typeDesc is typedesc<AnydataMessage> {
            return true;
        }
        return false;
    }
}