@DELETE
  @Produces(MediaType.TEXT_PLAIN)
  @ApiOperation(value = "Delete host components")
  @ApiImplicitParams({
  })
  @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 deleteHostComponents(String body, @Context HttpHeaders headers, @Context UriInfo ui) {

    return handleRequest(headers, body, ui, Request.Type.DELETE,
        createHostComponentResource(m_clusterName, m_hostName, null));
  }
Handles DELETE /clusters/{clusterID}/hosts/{hostID}/host_components
Deletes multiple host_component resources.

@param headers           http headers
@param ui                uri info

@return host_component resource representation
ambari-server/src/main/java/org/apache/ambari/server/api/services/HostComponentService.java