com.dkfqs.tools.lib

Class ReloadableByteArrayClassLoader

java.lang.Object

com.dkfqs.tools.lib.ReloadableByteArrayClassLoader

public class ReloadableByteArrayClassLoader
extends java.lang.Object

A wrapper around multiple class loaders that dynamically converts byte arrays to java classes at runtime and allows to (re-)load classes with the same class name (but with different class content) multiple times.

TO DO: REMOVE ALL CLASS LOADERS THAT ARE NEVER USED SINCE 60 MINUTES !!! - OR SUCH CLASS LOADERS THAT HAVE MULTIPLE FAILURES TO LOAD THE SAME CLASS.

Constructor Summary

Constructors

Constructor and Description
ReloadableByteArrayClassLoader(java.lang.ClassLoader parent) Create a new instance of this class loader.

Method Summary

Modifier and Type	Method and Description
java.lang.Class	defineClass(byte[] classData) Define a class from a byte array.
int	getClassLoadersCount() Get the number of currently used java class loaders - used for monitoring and debug purposes only.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReloadableByteArrayClassLoader

public ReloadableByteArrayClassLoader(java.lang.ClassLoader parent)

Create a new instance of this class loader.

Parameters:

parent - the parent class loader used for delegation

Method Detail

defineClass

public java.lang.Class defineClass(byte[] classData)

Define a class from a byte array. Note that this method uses multiple class loaders, and that the class loader caches prevent to define the same binary class data multiple times.

Parameters:

classData - the binary class data

Returns:

the corresponding class

getClassLoadersCount

public int getClassLoadersCount()

Get the number of currently used java class loaders - used for monitoring and debug purposes only.

Returns:

the number of currently used java class loaders