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 package com.datastax.driver.mapping;
 
Utility methods related to reflection.
 
 class ReflectionUtils {

    
Gets a type argument from a parameterized type.

Parameters:
pt the parameterized type.
arg the index of the argument to retrieve.
name the name of the element (field or method argument).
Returns:
the type argument.
    static Class<?> getParam(ParameterizedType ptint argString name) {
        Type ft = pt.getActualTypeArguments()[arg];
        if (!(ft instanceof Class))
            throw new IllegalArgumentException(String.format("Cannot map parameter of class %s for %s"ptname));
        return (Class<?>)ft;
    }
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