com.hazelcast.internal.usercodedeployment.impl

Class ClassSource

java.lang.Object

java.lang.ClassLoader

com.hazelcast.internal.usercodedeployment.impl.ClassSource

public final class ClassSource
extends ClassLoader

Classloader created on a local member to define a class from a bytecode loaded from a remote source. We use a classloader per each class loaded from a remote source as it allows us to discard the classloader and reload the class via another classloader as we see fit. Delegation model: 1. When the request matches the specific classname then it will provide the class on its own 2. Then it delegates to the parent classloader - that's usually a regular classloader loading classes from a local classpath only 3. Finally it delegates to ClassLocator which may initiate a remote lookup

Constructor Summary

Constructors

Constructor and Description
ClassSource(String classname, byte[] bytecode, ClassLoader parent, ClassLocator classLocator)

Method Summary

Modifier and Type	Method and Description
Class<?>	define()
byte[]	getBytecode()
Class	getClazz()
protected Class<?>	loadClass(String name, boolean resolve)

Methods inherited from class java.lang.ClassLoader

clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getClassLoadingLock, getPackage, getPackages, getParent, getResource, getResourceAsStream, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, loadClass, registerAsParallelCapable, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassSource

public ClassSource(String classname,
                   byte[] bytecode,
                   ClassLoader parent,
                   ClassLocator classLocator)

Method Detail

define

public Class<?> define()

loadClass

protected Class<?> loadClass(String name,
                             boolean resolve)
                      throws ClassNotFoundException

Overrides:

loadClass in class ClassLoader

Throws:

ClassNotFoundException

getBytecode

public byte[] getBytecode()

getClazz

public Class getClazz()