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

   */
  protected Integer getCRC(String typeName) throws DebugException {
    if (getVM() instanceof org.eclipse.jdi.hcr.VirtualMachine) {
      List<ReferenceType> classes = jdiClassesByName(typeName);
      if (!classes.isEmpty()) {
        ReferenceType type = classes.get(0);
        if (type instanceof org.eclipse.jdi.hcr.ReferenceType) {
          try {
            org.eclipse.jdi.hcr.ReferenceType rt = (org.eclipse.jdi.hcr.ReferenceType) type;
            if (rt.isVersionKnown()) {
              return new Integer(rt.getClassFileVersion());
            }
          } catch (RuntimeException e) {
            targetRequestFailed(
                MessageFormat.format(
                    JDIDebugModelMessages.JDIDebugTarget_exception_retrieving_version_information,
                    e.toString(), type.name()), e);
            // execution will never reach this line, as
            // #targetRequestFailed will throw an exception
            return null;
          }
        }

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        arguments.add(((JDIValue) arg).getUnderlyingValue());
      }
    }
    ObjectReference object = getUnderlyingObject();
    Method method = null;
    ReferenceType refType = getUnderlyingReferenceType();
    try {
      if (superSend) {
        // begin lookup in superclass
        refType = ((ClassType) refType).superclass();
      }

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        arguments.add(((JDIValue) arg).getUnderlyingValue());
      }
    }
    ObjectReference object = getUnderlyingObject();
    Method method = null;
    ReferenceType refType = getUnderlyingReferenceType();
    try {
      while (typeSignature != null && refType != null  && !refType.signature().equals(typeSignature)) {
        // lookup correct type through the hierarchy
        refType = ((ClassType) refType).superclass();
        if (refType == null) {
          targetRequestFailed(
              JDIDebugModelMessages.JDIObjectValueMethod_declaring_type_not_found_1,

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   * @see org.eclipse.jdt.debug.core.IJavaObject#getField(java.lang.String,
   * boolean)
   */
  public IJavaFieldVariable getField(String name, boolean superField)
      throws DebugException {
    ReferenceType ref = getUnderlyingReferenceType();
    try {
      if (superField) {
        // begin lookup in superclass
        ref = ((ClassType) ref).superclass();
      }
      Field field = ref.fieldByName(name);
      if (field != null) {
        return new JDIFieldVariable((JDIDebugTarget) getDebugTarget(),
            field, getUnderlyingObject(), fLogicalParent);
      }
      Field enclosingThis = null;
      Iterator<Field> fields = ref.fields().iterator();
      while (fields.hasNext()) {
        Field fieldTmp = fields.next();
        if (fieldTmp.name().startsWith("this$")) { //$NON-NLS-1$
          enclosingThis = fieldTmp;
          break;

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   * @see org.eclipse.jdt.debug.core.IJavaObject#getField(java.lang.String,
   * java.lang.String)
   */
  public IJavaFieldVariable getField(String name,
      String declaringTypeSignature) throws DebugException {
    ReferenceType ref = getUnderlyingReferenceType();
    try {
      Field field = null;
      Field fieldTmp = null;
      Iterator<Field> fields = ref.allFields().iterator();
      while (fields.hasNext()) {
        fieldTmp = fields.next();
        if (name.equals(fieldTmp.name())
            && declaringTypeSignature.equals(fieldTmp
                .declaringType().signature())) {

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   *                DebugException's status code contains the underlying
   *                exception responsible for the failure.</li>
   */
  public IJavaFieldVariable getField(String name, int superClassLevel)
      throws DebugException {
    ReferenceType ref = getUnderlyingReferenceType();
    try {
      for (int i = 0; i < superClassLevel; i++) {
        ref = ((ClassType) ref).superclass();
      }
      Field field = ref.fieldByName(name);
      if (field != null) {
        return new JDIFieldVariable((JDIDebugTarget) getDebugTarget(),
            field, getUnderlyingObject(), fLogicalParent);
      }
    } catch (RuntimeException e) {

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   */
  public IJavaObject getEnclosingObject(int enclosingLevel)
      throws DebugException {
    JDIObjectValue res = this;
    for (int i = 0; i < enclosingLevel; i++) {
      ReferenceType ref = res.getUnderlyingReferenceType();
      try {
        Field enclosingThis = null, fieldTmp = null;
        Iterator<Field> fields = ref.fields().iterator();
        while (fields.hasNext()) {
          fieldTmp = fields.next();
          if (fieldTmp.name().startsWith("this$")) { //$NON-NLS-1$
            enclosingThis = fieldTmp;
          }

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   * 
   * @see org.eclipse.jdt.debug.core.IJavaVariable#getGenericSignature()
   */
  public String getGenericSignature() throws DebugException {
    try {
      ReferenceType referenceType = getArrayReference().referenceType();
      String genericSignature = referenceType.genericSignature();
      if (genericSignature != null) {
        return genericSignature;
      }
      return referenceType.signature();
    } catch (RuntimeException e) {
      targetRequestFailed(
          MessageFormat.format(
              JDIDebugModelMessages.JDIArrayEntryVariable_exception_retrieving_type_signature,
              e.toString()), e);

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          JDIDebugBreakpointMessages.JavaPatternBreakpoint_0, e);
    }
    if (classes != null) {
      Iterator<ReferenceType> iter = classes.iterator();
      while (iter.hasNext()) {
        ReferenceType type = iter.next();
        if (installableReferenceType(type, target)) {
          createRequest(target, type);
        }
      }
    }

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  @Override
  protected void setJDIValue(Value value) throws DebugException {
    try {
      if (isStatic()) {
        ReferenceType declaringType = getField().declaringType();
        if (declaringType instanceof InterfaceType) {
          requestFailed(JDIDebugModelMessages.JDIFieldVariable_0,
              null);
        }
        ((ClassType) declaringType).setValue(getField(), value);

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