How to use

createStorage

method

in

org.apache.lens.cube.metadata.CubeMetastoreClient

public void createStorage(XStorage storage) throws LensException {
 createStorage(JAXBUtils.storageFromXStorage(storage));
}

public void createStorage(XStorage storage) throws LensException {
 createStorage(JAXBUtils.storageFromXStorage(storage));
}

@Override
public void createStorage(LensSessionHandle sessionid, XStorage storage)
 throws LensException {
 try (SessionContext ignored = new SessionContext(sessionid)){
  getClient(sessionid).createStorage(storage);
  log.info("Created storage " + storage.getName());
 }
}

/**
 * Test db storage.
 *
 * @throws HiveException the hive exception
 */
@Test(groups = "first")
public void testDBStorage() throws Exception {
 CubeMetastoreClient cc = CubeMetastoreClient.getInstance(conf);
 if (!cc.tableExists(DB_STORAGE1)) {
  cc.createStorage(db1);
 }
 if (!cc.tableExists(DB_STORAGE2)) {
  cc.createStorage(db2);
 }
}

public <T extends Equals & HashCode & ToString> void createEntity(T entity) throws LensException {
 if (entity instanceof XStorage) {
  createStorage((XStorage) entity);
 } else if  (entity instanceof XCube) {
  createCube((XCube)entity);
 } else if (entity instanceof XDimension) {
  createDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  createFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  createCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  createSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to create entity " + entity + " as it's unrecognizable: "+ entity.getClass());
 }
}

public <T extends Equals & HashCode & ToString> void createEntity(T entity)
 throws LensException {
 if (entity instanceof XStorage) {
  createStorage((XStorage) entity);
 } else if (entity instanceof XCube) {
  createCube((XCube) entity);
 } else if (entity instanceof XDimension) {
  createDimension((XDimension) entity);
 } else if (entity instanceof XFact) {
  createFactTable((XFact) entity);
 } else if (entity instanceof XDimensionTable) {
  createCubeDimensionTable((XDimensionTable) entity);
 } else if (entity instanceof XSegmentation) {
  createSegmentation((XSegmentation) entity);
 } else {
  throw new LensException("Unable to create entity " + entity + " as it's unrecognizable: " + entity.getClass());
 }
}

@Test(priority = 1)
public void testStorage() throws Exception {
 Storage hdfsStorage = new HDFSStorage(c1);
 client.createStorage(hdfsStorage);
 assertEquals(client.getAllStorages().size(), 1);
 Storage hdfsStorage2 = new HDFSStorage(c2);
 client.createStorage(hdfsStorage2);
 assertEquals(client.getAllStorages().size(), 2);
 Storage hdfsStorage3 = new HDFSStorage(c3);
 client.createStorage(hdfsStorage3);
 assertEquals(client.getAllStorages().size(), 3);
 Storage hdfsStorage4 = new HDFSStorage(c4);
 client.createStorage(hdfsStorage4);
 assertEquals(client.getAllStorages().size(), 4);
 assertEquals(hdfsStorage, client.getStorage(c1));
 assertEquals(hdfsStorage2, client.getStorage(c2));
 assertEquals(hdfsStorage3, client.getStorage(c3));
 assertEquals(hdfsStorage4, client.getStorage(c4));
}