com.cloudera.oryx.common.lang

Class JVMUtils

java.lang.Object

com.cloudera.oryx.common.lang.JVMUtils

public final class JVMUtils
extends Object

JVM-related utility methods.

Method Summary

Modifier and Type	Method and Description
static void	closeAtShutdown(Closeable closeable) Adds a shutdown hook that tries to call Closeable.close() on the given argument at JVM shutdown.
static long	getUsedMemory()

Methods inherited from class java.lang.Object

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

Method Detail

closeAtShutdown

public static void closeAtShutdown(Closeable closeable)

Adds a shutdown hook that tries to call Closeable.close() on the given argument at JVM shutdown.

Parameters:

closeable - thing to close

getUsedMemory

public static long getUsedMemory()

Returns:

approximate heap used, in bytes