private String appendPoint(String classPackage) {
        if (classPackage.endsWith(Const.POINT)) {
            return classPackage;
        }
        return classPackage + Const.POINT;
    }
Define the booting parameters for OAL engine

@param configFile    OAL script file path
@param sourcePackage the package path of source(s) used in given config OAL script file
@param catalog       of metrics defined through given OAL script file. Be used as prefix of generated dispatcher
                     class name.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/oal/rt/OALDefine.java