How to use

alterSegmentation

method

in

org.apache.lens.cube.metadata.CubeMetastoreClient

public void alterSegmentation(XSegmentation cubeSeg) throws LensException,
 HiveException {
 alterSegmentation(cubeSeg.getName(), segmentationFromXSegmentation(cubeSeg));
}

public void alterSegmentation(XSegmentation cubeSeg) throws LensException, HiveException {
 alterSegmentation(cubeSeg.getName(), segmentationFromXSegmentation(cubeSeg));
}

@Override
public void updateSegmentation(LensSessionHandle sessionid, XSegmentation cubeSeg) throws LensException {
 try (SessionContext ignored = new SessionContext(sessionid)){
  getClient(sessionid).alterSegmentation(cubeSeg);
  log.info("Updated segmentation " + cubeSeg.getName());
 } catch (HiveException e) {
  throw new LensException(e);
 }
}

public <T extends Equals & HashCode & ToString> void updateEntity(String name, T entity)
 throws LensException, HiveException {
 if (entity instanceof XStorage) {
  alterStorage((XStorage) entity);
 } else if (entity instanceof XCube) {
  alterCube((XCube)entity);
 } else if (entity instanceof XDimension) {
  alterDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  alterCubeFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  alterCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  alterSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to alter entity " + entity + " as it's unrecognizable: " + entity.getClass());
 }
}

public <T extends Equals & HashCode & ToString> void updateEntity(String name, T entity)
 throws LensException, HiveException {
 if (entity instanceof XStorage) {
  alterStorage((XStorage) entity);
 } else if  (entity instanceof XCube) {
  alterCube((XCube)entity);
 } else if (entity instanceof XDimension) {
  alterDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  alterCubeFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  alterCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  alterSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to alter entity " + entity + " as it's unrecognizable: " + entity.getClass());
 }
}

segmentation.alterBaseCubeName("segCubeAltered");
segmentation.alterWeight(100.0);
client.alterSegmentation(segmentName, segmentation);
client.alterSegmentation(segmentName, segmentation);
assertEquals(client.getSegmentation(segmentName).getSegments().size(), 3);