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Java Source Code / Java Documentation » Byte Code » PROSE » ch.ethz.inf.iks.jvmai.jvmdi   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    ch.ethz.inf.iks.jvmai.jvmdi.HotSwapAdvancedClassWeaver HotSwapAdvancedClassWeaver public class HotSwapAdvancedClassWeaver (Code) Inner Class :protected class MethodWeaver implements ch.ethz.jvmai.MethodWeaver Field Summary final public static  String JVMAI_CLASS      String representation of the JVMAI class. final public  byte[] originalCode      Cached original (/unmodified) class file of HotSwapAdvancedClassWeaver.targetClass . final public  Class targetClass      Constructor Summary protected   HotSwapAdvancedClassWeaver(Class target)      Creates a new class weaver. Method Summary public static  void commit()      Re-Weaves all modified classes and activates them. protected  byte[] getClassDefinition()      Returns the instrumented class file. protected static  HotSwapAdvancedClassWeaver getClassWeaver(Class target)      Get a unique class weaver for 'target'. public  Collection getMethodWeavers()      Returns a collection of all method weavers for this class weaver. public  Collection getMethods()      protected  MethodWeaver getNewMethodWeaver(Member target)      Creates a new MethodWeaver and adds it to this weaver. public  Class getTargetClass()      Returns the class bound to this weaver. public static  MethodWeaver getWeaver(Member target)      Get a unique method weaver for 'target'. Parameters:   target - method for which a weaver will be returned. public  boolean hasNoModifiedMethods()      Indicates if this class weaver holds any method weavers. public static  Member idToMethod(int methodId)      Returns the Member object associated to methodId or null, if methodID is not a valid id. Parameters:   methodId - id for the Method that will be returned. public  boolean isModified()      Indicates if not yet woven modifications are registered for the target class. public  boolean isWoven()      Indicates if the target class was woven (redefined). protected  void prepareClassDefinition()      Prepares a class for weaving. public static  void redefineClass(Class cl, byte[] definition)      Redefines an existing class, actually only method bodies may be redefined, but the JVMDI and JVMTI functions requieres the whole class code. public static  void redefineClasses(Class[] cls, byte[][] definitions)      Redefines existing classes, actually only method bodies may be redefined, but the JVMDI and JVMTI functions requieres the whole class code. public static  void resetAll()      Resets all woven classes. public static synchronized  void setAspectInterface(HotSwapAspectInterfaceImpl ai)      Sets the aspect interface, must be called before any call to HotSwapAdvancedClassWeaver.commit commit . protected  void setWoven()      Sets some internal variables to indicate that the target class was woven. Field Detail JVMAI_CLASS final public static String JVMAI_CLASS(Code) String representation of the JVMAI class. originalCode final public byte[] originalCode(Code) Cached original (/unmodified) class file of HotSwapAdvancedClassWeaver.targetClass . targetClass final public Class targetClass(Code) Class bound to this weaver Constructor Detail HotSwapAdvancedClassWeaver protected HotSwapAdvancedClassWeaver(Class target) throws ClassNotFoundException(Code) Creates a new class weaver. Use the static method HotSwapAdvancedClassWeaver.getClassWeaver(java.lang.Class) getClassWeaver to obtain a weaver. Method Detail commit public static void commit()(Code) Re-Weaves all modified classes and activates them. getClassDefinition protected byte[] getClassDefinition()(Code) Returns the instrumented class file. HotSwapAdvancedClassWeaver.prepareClassDefinition() must be called first. getClassWeaver protected static HotSwapAdvancedClassWeaver getClassWeaver(Class target) throws ClassNotFoundException(Code) Get a unique class weaver for 'target'. getMethodWeavers public Collection getMethodWeavers()(Code) Returns a collection of all method weavers for this class weaver. Collection of MethodWeavers associated to thisClassWeaver getMethods public Collection getMethods()(Code) getNewMethodWeaver protected MethodWeaver getNewMethodWeaver(Member target)(Code) Creates a new MethodWeaver and adds it to this weaver. This adds the new weaver also to the global methodWeavers table. Use HotSwapAdvancedClassWeaver.getWeaver(java.lang.reflect.Member) getWeaver to create a new MethodWeaver. getTargetClass public Class getTargetClass()(Code) Returns the class bound to this weaver. Class that is bound to this weaver getWeaver public static MethodWeaver getWeaver(Member target)(Code) Get a unique method weaver for 'target'. Parameters:   target - method for which a weaver will be returned. MethodWeaver associated to target. hasNoModifiedMethods public boolean hasNoModifiedMethods()(Code) Indicates if this class weaver holds any method weavers. true if no method weavers are associated. idToMethod public static Member idToMethod(int methodId)(Code) Returns the Member object associated to methodId or null, if methodID is not a valid id. Parameters:   methodId - id for the Method that will be returned. Method associated to methodID or null. throws:   ArrayOutOfBoundException - isModified public boolean isModified()(Code) Indicates if not yet woven modifications are registered for the target class. true if weaver holds unwovenmodifications for its target class. isWoven public boolean isWoven()(Code) Indicates if the target class was woven (redefined). true if the target class is redefined. prepareClassDefinition protected void prepareClassDefinition() throws java.io.IOException, ClassNotFoundException(Code) Prepares a class for weaving. This mean mainly instrumenting the class file representation, so that the new definition may be fetched with HotSwapAdvancedClassWeaver.getClassDefinition() . redefineClass public static void redefineClass(Class cl, byte[] definition)(Code) Redefines an existing class, actually only method bodies may be redefined, but the JVMDI and JVMTI functions requieres the whole class code. The class that should be redefined must exist in the JVM (they must be loaded in advance). Required for JVMDI/JVMTI HotSwap advice weaving. Parameters:   cl - Class objects that should get redefined Parameters:   definition - class definition,the definition is in the same form like in a class file. exception:   UnmodifiableClassException - cl is a not modifiableclass (for example an interface or a class that's not in the class path). exception:   IlligalClassFormatException - definition is a invalideclass definition exception:   RuntimeException - could not apply operation. exception:   NullPointerException - if cl is null. exception:   IlligalArgumentExceptin - definition is null. redefineClasses public static void redefineClasses(Class[] cls, byte[][] definitions)(Code) Redefines existing classes, actually only method bodies may be redefined, but the JVMDI and JVMTI functions requieres the whole class code. The parameters are two arrays of the same size, each entry of one array corresponds to the entry with the same index in the other array. The class that should be redefined must exist in the JVM (they must be loaded in advance). Required for JVMDI/JVMTI HotSwap advice weaving. Parameters:   cls - Array of Class objects that should get redefined Parameters:   definitions - Array of class definitions, which are arrays of bytes,the definition is in the same form like in a class file. exception:   UnmodifiableClassException - cls contains a not modifiableclass (for example an interface or a class that's not in the class path). exception:   IlligalClassFormatException - definitions contains a invalideclass definition exception:   RuntimeException - could not apply operation. exception:   NullPointerException - if cls is null. exception:   IlligalArgumentExceptin - definitions is null. resetAll public static void resetAll()(Code) Resets all woven classes. setAspectInterface public static synchronized void setAspectInterface(HotSwapAspectInterfaceImpl ai)(Code) Sets the aspect interface, must be called before any call to HotSwapAdvancedClassWeaver.commit commit . Parameters:   ai - setWoven protected void setWoven()(Code) Sets some internal variables to indicate that the target class was woven. 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)