org.apache.kyuubi.shaded.hive.metastore.utils

Class JavaUtils

java.lang.Object

org.apache.kyuubi.shaded.hive.metastore.utils.JavaUtils

public class JavaUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
JavaUtils()

Method Summary

Modifier and Type	Method and Description
static <T> Class<? extends T>	getClass(String className, Class<T> clazz)
static ClassLoader	getClassLoader() Standard way of getting classloader in Hive code (outside of Hadoop).
static <T> T	newInstance(Class<T> theClass, Class<?>[] parameterTypes, Object[] initArgs) Create an object of the given class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JavaUtils

public JavaUtils()

Method Detail

getClassLoader

public static ClassLoader getClassLoader()

Standard way of getting classloader in Hive code (outside of Hadoop).

Uses the context loader to get access to classpaths to auxiliary and jars added with 'add jar' command. Falls back to current classloader.

In Hadoop-related code, we use Configuration.getClassLoader().

Returns:

the class loader

getClass

public static <T> Class<? extends T> getClass(String className,
                                              Class<T> clazz)
                                       throws MetaException

Throws:

MetaException

newInstance

public static <T> T newInstance(Class<T> theClass,
                                Class<?>[] parameterTypes,
                                Object[] initArgs)

Create an object of the given class.

Parameters:

theClass -

parameterTypes - an array of parameterTypes for the constructor

initArgs - the list of arguments for the constructor