org.apache.hadoop.hive.common
Class JavaUtils

java.lang.Object
  org.apache.hadoop.hive.common.JavaUtils

public final class JavaUtils
extends Object

Collection of Java class loading/reflection related utilities common across Hive.

Method Summary

static void	closeClassLoader(ClassLoader loader)
static void	closeClassLoadersTo(ClassLoader current, ClassLoader stop)
static ClassLoader	getClassLoader() Standard way of getting classloader in Hive code (outside of Hadoop).

Methods inherited from class java.lang.Object

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

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().

closeClassLoadersTo

public static void closeClassLoadersTo(ClassLoader current,
                                       ClassLoader stop)

closeClassLoader

public static void closeClassLoader(ClassLoader loader)
                             throws IOException

Throws:

IOException