@DELETE
  @Path("{instanceName}")
  @Produces(MediaType.TEXT_PLAIN)
  @ApiOperation(value = "Delete view instance")
  @ApiResponses({
    @ApiResponse(code = HttpStatus.SC_OK, message = MSG_SUCCESSFUL_OPERATION),
    @ApiResponse(code = HttpStatus.SC_NOT_FOUND, message = MSG_CLUSTER_OR_HOST_NOT_FOUND),
    @ApiResponse(code = HttpStatus.SC_UNAUTHORIZED, message = MSG_NOT_AUTHENTICATED),
    @ApiResponse(code = HttpStatus.SC_FORBIDDEN, message = MSG_PERMISSION_DENIED),
    @ApiResponse(code = HttpStatus.SC_INTERNAL_SERVER_ERROR, message = MSG_SERVER_ERROR),
  })
  public Response deleteService(@Context HttpHeaders headers, @Context UriInfo ui,
    @ApiParam(value = "view name") @PathParam("viewName") String viewName, @PathParam("version") String version,
    @ApiParam(value = "instance name") @PathParam("instanceName") String instanceName) throws AuthorizationException {
    return handleRequest(headers, null, ui, Request.Type.DELETE, createResource(viewName, version, instanceName));
  }
Handles: DELETE /views/{viewName}/versions/{version}/instances/{instanceId}
Delete a specific instance.

@param headers       http headers
@param ui            uri info
@param viewName   view id
@param version    version id
@param instanceName  instance id

@return information regarding the deleted instance
ambari-server/src/main/java/org/apache/ambari/server/api/services/views/ViewInstanceService.java