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Java Source Code / Java Documentation » IDE Netbeans » cvsclient » org.netbeans.lib.profiler.server.system 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.netbeans.lib.profiler.server.system.Classes

Classes
public class Classes (Code)
Provides methods for dynamic bytecode redefinition and other class-related operations. A version for JDK 1.5
author:
   Tomas Hurka
author:
   Misha Dmitriev

Inner Class :public static class RedefineException extends Exception



Method Summary
native public static  voidcacheLoadedClasses(Class[] nonSystemClasses, int nonSystemIndex)
    
native public static  voiddisableClassLoadHook()
    
native public static  voidenableClassLoadHook()
     When the class load hook is enabled, it will call the ProfilerInterface.classLoadHook(Class) method every time a class is load and prepared.
native public static  Class[]getAllLoadedClasses()
     Returns all currently loaded *and linked* classes.
native public static  byte[]getCachedClassFileBytes(Class clazz)
     Returns the cached class file bytes for the given class.
public static  intgetLoadedClassCount()
    
native public static  longgetObjectSize(Object obj)
    
public static  voidinitialize()
    
native public static  voidnotifyAboutClassLoaderUnloading()
     This notifies the underlying native code about the fact that some classloader (we don't know which one since we use PhantomReferences for them) is unloaded.
public static  voidredefineClasses(Class[] classes, byte[][] newClassFileBytes)
    
native public static  booleansetSleepTrackingEnabled(boolean value)
    
native public static  booleansetVMObjectAllocEnabled(boolean value)
    
native public static  booleansetWaitTrackingEnabled(boolean value)
    



Method Detail
cacheLoadedClasses
native public static void cacheLoadedClasses(Class[] nonSystemClasses, int nonSystemIndex)(Code)



disableClassLoadHook
native public static void disableClassLoadHook()(Code)
Disables the above class load hook



enableClassLoadHook
native public static void enableClassLoadHook()(Code)
When the class load hook is enabled, it will call the ProfilerInterface.classLoadHook(Class) method every time a class is load and prepared.



getAllLoadedClasses
native public static Class[] getAllLoadedClasses()(Code)
Returns all currently loaded *and linked* classes. On JDK 1.5, it returns just a Class[] array of all loaded classes



getCachedClassFileBytes
native public static byte[] getCachedClassFileBytes(Class clazz)(Code)
Returns the cached class file bytes for the given class. Currently agent (on JDK 1.5) caches these bytes only for classes loaded with custom classloaders (that is, not bootstrap (null) and not system classloader). If this method is called for a class loaded using bootstrap or system classloader, it just returns null.



getLoadedClassCount
public static int getLoadedClassCount()(Code)



getObjectSize
native public static long getObjectSize(Object obj)(Code)
Object size for a given object



initialize
public static void initialize()(Code)
Should be called at earliest possible time



notifyAboutClassLoaderUnloading
native public static void notifyAboutClassLoaderUnloading()(Code)
This notifies the underlying native code about the fact that some classloader (we don't know which one since we use PhantomReferences for them) is unloaded. Thus the native code that could have cached the class file bytes for classes loaded with this loader, may release these bytes now. Really needed only in 1.5.



redefineClasses
public static void redefineClasses(Class[] classes, byte[][] newClassFileBytes) throws RedefineException(Code)
RedefineClasses() as provided starting from JDK 1.5



setSleepTrackingEnabled
native public static boolean setSleepTrackingEnabled(boolean value)(Code)



setVMObjectAllocEnabled
native public static boolean setVMObjectAllocEnabled(boolean value)(Code)



setWaitTrackingEnabled
native public static boolean setWaitTrackingEnabled(boolean value)(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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