src/main/java/org/apache/hadoop/hdfs/server/namenode/analytics/web/NamenodeAnalyticsMethods.java
@GET
  @Path("/filterOps")
  @Produces({MediaType.APPLICATION_JSON})
  public Response filterOps() {
    try {
      before();
      return Response.ok(Helper.toJsonList(FilterOp.values()), MediaType.APPLICATION_JSON).build();
    } catch (Exception ex) {
      return handleException(ex);
    } finally {
      after();
    }
  }
/**
   * FILTEROPS endpoint is meant to showcase the different types of filter operations options
   * available in the "&filterOps=" parameter in JSON form. These are only applicable while the
   * "&filters" parameter is utilized. Certain filterOps are only applicable to matching types of
   * filters as well.
   */
FILTEROPS endpoint is meant to showcase the different types of filter operations options
available in the "&filterOps=" parameter in JSON form. These are only applicable while the
"&filters" parameter is utilized. Certain filterOps are only applicable to matching types of
filters as well.
FILTEROPS endpoint is meant to showcase the different types of filter operations options available in the " &filterOps = " parameter in JSON form . These are only applicable while the " &filters " parameter is utilized . Certain filterOps are only applicable to matching types of filters as well .
@GET
  @Path("/filterOps")
  @Produces({MediaType.APPLICATION_JSON})
  public Response filterOps() {
    try {
      before();
      return Response.ok(Helper.toJsonList(FilterOp.values()), MediaType.APPLICATION_JSON).build();
    } catch (Exception ex) {
      return handleException(ex);
    } finally {
      after();
    }
  }
@ GET @ Path ( "/filterOps" ) @ Produces ( { MediaType . APPLICATION_JSON } ) public Response filterOps ( ) { try { before ( ) ; return Response . ok ( Helper . toJsonList ( FilterOp . values ( ) ) , MediaType . APPLICATION_JSON ) . build ( ) ; } catch ( Exception ex ) { return handleException ( ex ) ; } finally { after ( ) ; } }
FILTEROPS endpoint is meant to showcase the different types of filter operations options
 available in the "&filterOps=" parameter in JSON form.
FILTEROPS endpoint is meant to showcase the different types of filter operations options available in the " &filterOps = " parameter in JSON form .