private Method findMethod(Class<?> clz, Object[] args) throws LocalRunException {
if (args == null || args.length == 0) {
throw new LocalRunException("Input data can't be null");
}
Method method = ClassUtils.findMethod(clz, "evaluate", args);
// method "evaluate" can't be static
if (Modifier.toString(method.getModifiers()).contains("static")) {
throw new LocalRunException("'evaluate' method can't be static");
}
return method;
}
public UDFRunner(Odps odps, String className) throws LocalRunException {
super(odps);
if (StringUtils.isBlank(className)) {
throw new IllegalArgumentException("Missing arguments:className");
}
try {
udf = (UDF) ClassUtils.newInstance(UDFRunner.class.getClassLoader(), className);
SecurityClient.open();
udf.setup(context);
} catch (LocalRunException e) {
throw e;
} catch (UDFException e) {
throw new LocalRunException(e);
} finally {
SecurityClient.close();
}
}