How to use

dropVirtualFact

method

in

org.apache.lens.cube.metadata.CubeMetastoreClient

private void dropAllVirtualFactTables(String cubeFactTableName) throws LensException {
 if (enableCaching) {
  cubeFactTableName = cubeFactTableName.trim().toLowerCase();
  if (factToVirtualFactMapping.get(cubeFactTableName) != null) {
   List<String> virtualFactTableNames = factToVirtualFactMapping.get(cubeFactTableName);
   factToVirtualFactMapping.remove(cubeFactTableName);
   for (String vf : virtualFactTableNames) {
    dropVirtualFact(vf.trim().toLowerCase());
   }
  }
 }
}

private void dropAllVirtualFactTables(String cubeFactTableName) throws LensException {
 if (enableCaching) {
  cubeFactTableName = cubeFactTableName.trim().toLowerCase();
  if (factToVirtualFactMapping.get(cubeFactTableName) != null) {
   List<String> virtualFactTableNames = factToVirtualFactMapping.get(cubeFactTableName);
   factToVirtualFactMapping.remove(cubeFactTableName);
   for (String vf : virtualFactTableNames) {
    dropVirtualFact(vf.trim().toLowerCase());
   }
  }
 }
}

 client.dropVirtualFact(virtualFactName);
 fail("Expected 404");
} catch (LensException nfe) {