@GET @ApiIgnore // until documented
  @Produces("text/plain")
  public Response getComponents(String body, @Context HttpHeaders headers, @Context UriInfo ui) {
    return handleRequest(headers, body, ui, Request.Type.GET,
        createTaskResource(m_clusterName, m_requestId, m_stageId, null));
  }
Handles GET: /clusters/{clusterID}/requests/{requestID}/tasks
Get all tasks for a request.

@param headers http headers
@param ui      uri info

@return task collection resource representation
ambari-server/src/main/java/org/apache/ambari/server/api/services/TaskService.java