Examples of org.eclipse.jdt.core.ITypeHierarchy

org.eclipse.jdt.core.ITypeHierarchy
A type hierarchy provides navigations between a type and its resolved supertypes and subtypes for a specific type or for all types within a region. Supertypes may extend outside of the type hierarchy's region in which it was created such that the root of the hierarchy is always included. For example, if a type hierarchy is created for a java.io.File, and the region the hierarchy was created in is the package fragment java.io, the supertype java.lang.Object will still be included. As a historical quirk, java.lang.Object has always been included in type hierarchies created on interface types.
A type hierarchy is static and can become stale. Although consistent when created, it does not automatically track changes in the model. As changes in the model potentially invalidate the hierarchy, change notifications are sent to registered ITypeHierarchyChangedListeners. Listeners should use the exists method to determine if the hierarchy has become completely invalid (for example, when the type or project the hierarchy was created on has been removed). To refresh a hierarchy, use the refresh method.

The type hierarchy may contain cycles due to malformed supertype declarations. Most type hierarchy queries are oblivious to cycles; the getAll* methods are implemented such that they are unaffected by cycles.
@noimplement This interface is not intended to be implemented by clients.

                final IRunnableWithProgress runnable = new IRunnableWithProgress() {
                    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                        try {
                            IType activatorType = javaProject.findType(BundleActivator.class.getName());
                            if (activatorType != null) {
                                ITypeHierarchy hierarchy = activatorType.newTypeHierarchy(javaProject, monitor);
                                for (IType subType : hierarchy.getAllSubtypes(activatorType)) {
                                    if (!Flags.isAbstract(subType.getFlags()) && subType.getElementName().toLowerCase().contains(prefix.toLowerCase())) {
                                        result.add(new JavaTypeContentProposal(subType));
                                    }
                                }
                            }

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            return false;


        //
        // One of the super classes/interfaces must be a Junit class/interface
        //
        ITypeHierarchy hierarchy = type.newSupertypeHierarchy(null);
        for (IType z : hierarchy.getAllSupertypes(type)) {
            if (z.getFullyQualifiedName().startsWith("junit."))
                return true;
        }


        if (isJUnit4(type))
            return true;


        for (IType z : hierarchy.getAllSuperclasses(type)) {
            if (isJUnit4(z))
                return true;
        }


        return false;

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                    @Override
                    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                        try {
                            IType activatorType = javaProject.findType(BundleActivator.class.getName());
                            if (activatorType != null) {
                                ITypeHierarchy hierarchy = activatorType.newTypeHierarchy(javaProject, monitor);
                                for (IType subType : hierarchy.getAllSubtypes(activatorType)) {
                                    if (!Flags.isAbstract(subType.getFlags()) && subType.getElementName().toLowerCase().contains(prefix.toLowerCase())) {
                                        result.add(new JavaTypeContentProposal(subType));
                                    }
                                }
                            }

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        throws JavaModelException
    {
        if (ifaceOrParentClass == null)
            return true;


        ITypeHierarchy h = type.newSupertypeHierarchy(null);


        for (IType superType : h.getAllClasses())
        {
            String name = superType.getFullyQualifiedName();
            if (name.equals(ifaceOrParentClass))
            {
                return true;
            }
        }
        for (IType ifaceType : h.getAllInterfaces())
        {
            String name = ifaceType.getFullyQualifiedName();
            if (name.equals(ifaceOrParentClass))
            {
                return true;

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          }
        }
        
        // get the class declaration line
        IType type = unit.getType(controllerName);
        ITypeHierarchy superTypes = type.newSupertypeHierarchy(null);
//        String name = JapidController.class.getName(); // this will require play.jar
        String name = "cn.bran.play.JapidController";
        IType japidController = jProject.findType(name);
        if (superTypes.contains(japidController)) {
          useJapid = true;
        }
        else {
          useJapid = false;
        }

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    Set<String> seen = new TreeSet<String>(); // Used to dedup overridden methods
    for (Template template: getMethodsTemplates(type, query, contextTypeId)) {
      result.add(template);
      seen.add(template.getName());
    }
    ITypeHierarchy hierarchy = type.newTypeHierarchy(null);
    for (IType superclass: hierarchy.getAllSuperclasses(type)) {
      for (Template template: getMethodsTemplates(superclass, query, contextTypeId)) {
        if (!seen.contains(template.getName())) {
          result.add(template);
          seen.add(template.getName());
        }

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      return null;
    }
    try {
      IMethod method = findMethod(parent, query);
      if (method != null) return method;
      ITypeHierarchy hierarchy = parent.newTypeHierarchy(null);
      for (IType superclass: hierarchy.getAllSuperclasses(parent)) {
        method = findMethod(superclass, query);
        if (method != null) return method;
      }
    } catch (JavaModelException e) {
      e.printStackTrace();

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    {
      final NamedMember method = (NamedMember) javaElement;
      final IType type = method.getDeclaringType();
      if (type != null)
      {
        final ITypeHierarchy hierarchy = type.newSupertypeHierarchy(null);
        if (hierarchy != null)
        {
          final IType[] supertypes = hierarchy.getAllSupertypes(type);
          for (final IType iType : supertypes)
          {
            if (iType.getFullyQualifiedName().equals("org.apache.wicket.Component"))
            {
              try {

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  private void loadNewTree(String qName) {
    try {
      IType baseType = project.findType(qName);
      
      if (baseType != null) {
        ITypeHierarchy hierarchy = baseType.newTypeHierarchy(project, null);    
        addInHierarchy(baseType, hierarchy);      
        
        //Yeah...that just wasted a bunch of resources. Clean up now...
        Runtime r = Runtime.getRuntime();
        r.gc();

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  public static IRegion getRegionOfWicketComponent(final IDocument document, final int offset, final IJavaElement javaElement) throws JavaModelException {
    if (javaElement != null && javaElement instanceof NamedMember) {
      final NamedMember method = (NamedMember) javaElement;
      final IType type = method.getDeclaringType();
      if (type != null) {
        final ITypeHierarchy hierarchy = type.newSupertypeHierarchy(null);
        if (hierarchy != null) {
          final IType[] supertypes = hierarchy.getAllSupertypes(type);
          for (final IType iType : supertypes) {
            if (iType.getFullyQualifiedName().equals(TypeHelper.COMPONENT)) {
              try {
                final IRegion lineInfo = document.getLineInformationOfOffset(offset);
                final String line = document.get(lineInfo.getOffset(), lineInfo.getLength());

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