Examples of org.eclipse.core.resources.team.IMoveDeleteHook

org.eclipse.core.resources.team.IMoveDeleteHook
Primary interface for hooking the implementation of IResource.move and IResource.delete.
This interface is intended to be implemented by the team component in conjunction with the org.eclipse.core.resources.moveDeleteHook standard extension point. Individual team providers may also implement this interface. It is not intended to be implemented by other clients. The methods defined on this interface are called from within the implementations of IResource.move and IResource.delete. They are not intended to be called from anywhere else.
@since 2.0

  /**
   * Calls the move/delete hook to perform the deletion.  Since this method calls 
   * client code, it is run "unprotected", so the workspace lock is not held.  
   */
  private void unprotectedDelete(ResourceTree tree, int updateFlags, IProgressMonitor monitor) throws CoreException {
    IMoveDeleteHook hook = workspace.getMoveDeleteHook();
    switch (getType()) {
      case IResource.FILE :
        if (!hook.deleteFile(tree, (IFile) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000 / 2)))
          tree.standardDeleteFile((IFile) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000));
        break;
      case IResource.FOLDER :
        if (!hook.deleteFolder(tree, (IFolder) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000 / 2)))
          tree.standardDeleteFolder((IFolder) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000));
        break;
      case IResource.PROJECT :
        workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_DELETE, this));
        if (!hook.deleteProject(tree, (IProject) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000 / 2)))
          tree.standardDeleteProject((IProject) this, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000));
        break;
      case IResource.ROOT :
        IProject[] projects = ((IWorkspaceRoot) this).getProjects();
        for (int i = 0; i < projects.length; i++) {
          workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_DELETE, projects[i]));
          if (!hook.deleteProject(tree, projects[i], updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000 / projects.length / 2)))
            tree.standardDeleteProject(projects[i], updateFlags, Policy.subMonitorFor(monitor, Policy.opWork * 1000 / projects.length));
        }
    }
  }

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   * Calls the move/delete hook to perform the move.  Since this method calls 
   * client code, it is run "unprotected", so the workspace lock is not held.  
   * Returns true if resources were actually moved, and false otherwise.
   */
  private boolean unprotectedMove(ResourceTree tree, final IResource destination, int updateFlags, IProgressMonitor monitor) throws CoreException, ResourceException {
    IMoveDeleteHook hook = workspace.getMoveDeleteHook();
    switch (getType()) {
      case IResource.FILE :
        if (isLinked())
          workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_LINK_MOVE, this, destination, updateFlags));
        if (!hook.moveFile(tree, (IFile) this, (IFile) destination, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2)))
          tree.standardMoveFile((IFile) this, (IFile) destination, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork));
        break;
      case IResource.FOLDER :
        if (isLinked())
          workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_LINK_MOVE, this, destination, updateFlags));
        if (!hook.moveFolder(tree, (IFolder) this, (IFolder) destination, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2)))
          tree.standardMoveFolder((IFolder) this, (IFolder) destination, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork));
        break;
      case IResource.PROJECT :
        IProject project = (IProject) this;
        // if there is no change in name, there is nothing to do so return.
        if (getName().equals(destination.getName()))
          return false;
        //we are deleting the source project so notify.
        workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_MOVE, this, destination, updateFlags));
        IProjectDescription description = project.getDescription();
        description.setName(destination.getName());
        if (!hook.moveProject(tree, project, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2)))
          tree.standardMoveProject(project, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork));
        break;
      case IResource.ROOT :
        String msg = Messages.resources_moveRoot;
        throw new ResourceException(new ResourceStatus(IResourceStatus.INVALID_VALUE, getFullPath(), msg));

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        workspace.beginOperation(true);
        message = Messages.resources_moveProblem;
        MultiStatus status = new MultiStatus(ResourcesPlugin.PI_RESOURCES, IStatus.ERROR, message, null);
        WorkManager workManager = workspace.getWorkManager();
        ResourceTree tree = new ResourceTree(getLocalManager(), workManager.getLock(), status, updateFlags);
        IMoveDeleteHook hook = workspace.getMoveDeleteHook();
        workspace.broadcastEvent(LifecycleEvent.newEvent(LifecycleEvent.PRE_PROJECT_MOVE, this, destination, updateFlags));
        int depth = 0;
        try {
          depth = workManager.beginUnprotected();
          if (!hook.moveProject(tree, this, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2)))
            tree.standardMoveProject(this, description, updateFlags, Policy.subMonitorFor(monitor, Policy.opWork / 2));
        } finally {
          workManager.endUnprotected(depth);
        }
        // Invalidate the tree for further use by clients.

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Related Classes of org.eclipse.core.resources.team.IMoveDeleteHook

org.eclipse.core.internal.resources.Project

org.eclipse.core.internal.resources.Resource

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