Examples of com.sun.jdi.ReferenceType

com.sun.jdi.ReferenceType
sun.com/docs/books/jls/"> Java^TM Language Specification. All ReferenceType objects belong to one of the following subinterfaces: {@link ClassType} for classes,{@link InterfaceType} for interfaces, and{@link ArrayType} for arrays.Note that primitive classes (for example, the {@link ClassObjectReference#reflectedType() reflected type} of{@link java.lang.Integer#TYPE Integer.TYPE}) are represented as ClassType. The VM creates Class objects for all three, so from the VM perspective, each ReferenceType maps to a distinct Class object.
ReferenceTypes can be obtained by querying a particular {@link ObjectReference} for itstype or by getting a list of all reference types from the {@link VirtualMachine}.
ReferenceType provides access to static type information such as methods and fields and provides access to dynamic type information such as the corresponding Class object and the classloader.
Any method on ReferenceType which directly or indirectly takes ReferenceType as an parameter may throw {@link com.sun.jdi.VMDisconnectedException} if the target VM isdisconnected and the {@link com.sun.jdi.event.VMDisconnectEvent} has been or isavailable to be read from the {@link com.sun.jdi.event.EventQueue}.
Any method on ReferenceType which directly or indirectly takes ReferenceType as an parameter may throw {@link com.sun.jdi.VMOutOfMemoryException} if the target VM has run out of memory.
Any method on ReferenceType or which directly or indirectly takes ReferenceType as parameter may throw {@link com.sun.jdi.ObjectCollectedException} if the mirrored type has been unloaded. @see ObjectReference @see ObjectReference#referenceType @see VirtualMachine @see VirtualMachine#allClasses @author Robert Field @author Gordon Hirsch @author James McIlree @since 1.3

                throw new Error("target JVM cannot redefine classes, please force the use of -Xbootclasspath");
            }
            List classList = vm.classesByName(className);
            if (classList.size() == 0)
                throw new Error("Fatal error: Can't find class " + className);
            ReferenceType rt = (ReferenceType)classList.get(0);
            Map map = new HashMap();
            map.put(rt, bytes);
            Method doM = VirtualMachine.class.getMethod("redefineClasses", new Class[]{Map.class});
            doM.invoke(vm, new Object[]{map});
        }

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                throw new Error("target JVM cannot redefine classes, please force the use of -Xbootclasspath");
            }
            List classList = vm.classesByName(className);
            if (classList.size() == 0)
                throw new Error("Fatal error: Can't find class "+className);
            ReferenceType rt = (ReferenceType)classList.get(0);
            Map map = new HashMap();
            map.put(rt, bytes);
            Method doM = VirtualMachine.class.getMethod("redefineClasses", new Class[]{Map.class});
            doM.invoke(vm, new Object[]{map});
        } catch (NoSuchMethodException e) {

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            }
            List classList = vm.classesByName(className);
            if (classList.size() == 0) {
                throw new Error("Fatal error: Can't find class " + className);
            }
            ReferenceType rt = (ReferenceType)classList.get(0);
            Map map = new HashMap();
            map.put(rt, bytes);
            Method doM = VirtualMachine.class.getMethod("redefineClasses", new Class[]{Map.class});
            doM.invoke(vm, new Object[]{map});
        }

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/* 146 */     manager.deleteEventRequest(request);
/*     */   }
/*     */ 
/*     */   public void reload(String className, byte[] classFile)
/*     */   {
/* 156 */     ReferenceType classtype = toRefType(className);
/* 157 */     Map map = new HashMap();
/* 158 */     map.put(classtype, classFile);
/* 159 */     reload2(map, className);
/*     */   }

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    // Note that this information should not be cached.
    List<ClassType> subclasses = new ArrayList<ClassType>();
    Iterator<ReferenceType> itr = virtualMachineImpl().allRefTypes();
    while (itr.hasNext()) {
      try {
        ReferenceType refType = itr.next();
        if (refType instanceof ClassTypeImpl) {
          ClassTypeImpl classType = (ClassTypeImpl) refType;
          if (classType.superclass() != null
              && classType.superclass().equals(this)) {
            subclasses.add(classType);

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   * @see
   * org.eclipse.jdt.debug.core.IJavaReferenceType#getField(java.lang.String)
   */
  public IJavaFieldVariable getField(String name) throws DebugException {
    try {
      ReferenceType type = (ReferenceType) getUnderlyingType();
      Field field = type.fieldByName(name);
      if (field != null && field.isStatic()) {
        return new JDIFieldVariable(getJavaDebugTarget(), field, type);
      }
    } catch (RuntimeException e) {
      targetRequestFailed(

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   * 
   * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getClassObject()
   */
  public IJavaClassObject getClassObject() throws DebugException {
    try {
      ReferenceType type = (ReferenceType) getUnderlyingType();
      return (IJavaClassObject) JDIValue.createValue(
          getJavaDebugTarget(), type.classObject());
    } catch (RuntimeException e) {
      targetRequestFailed(
          MessageFormat.format(
              JDIDebugModelMessages.JDIClassType_exception_while_retrieving_class_object,
              e.toString()), e);

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   * 
   * @see org.eclipse.jdt.debug.core.IJavaReferenceType#getClassLoaderObject()
   */
  public IJavaObject getClassLoaderObject() throws DebugException {
    try {
      ReferenceType type = (ReferenceType) getUnderlyingType();
      ClassLoaderReference classLoader = type.classLoader();
      if (classLoader != null) {
        return (IJavaObject) JDIValue.createValue(getJavaDebugTarget(),
            classLoader);
      }
    } catch (RuntimeException e) {

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    List<ReferenceType> visibleClasses = visibleClasses();
    List<ReferenceType> result = new ArrayList<ReferenceType>(visibleClasses.size());
    Iterator<ReferenceType> iter = visibleClasses.iterator();
    while (iter.hasNext()) {
      try {
        ReferenceType type = iter.next();
        // Note that classLoader() is null for the bootstrap
        // classloader.
        if (type.classLoader() != null && type.classLoader().equals(this))
          result.add(type);
      } catch (ClassNotPreparedException e) {
        continue;
      }
    }

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  /**
   * Build source for an object value (instance context)
   */
  public void buildSource(JDIReferenceType referenceType) {
    ReferenceType reference = (ReferenceType) referenceType
        .getUnderlyingType();
    fSource = buildTypeDeclaration(reference, buildRunMethod(reference),
        null);
  }

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