/** Return the number of rows in the given table. */ public static int countMobRows(final Table table) throws IOException { Scan scan = new Scan(); ResultScanner results = table.getScanner(scan); int count = 0; for (Result res : results) { count++; List<Cell> cells = res.listCells(); for (Cell cell : cells) { // Verify the value Assert.assertTrue(CellUtil.cloneValue(cell).length > 0); } } results.close(); return count; }
public void scan( Consumer<Result> callback, String tableName, String columnFamily, String... qualifiers) { if (callback != null && tableName != null && columnFamily != null && qualifiers != null) { Scan s = new Scan(); byte[] family = Bytes.toBytes(columnFamily); for (String qualifier : qualifiers) { s.addColumn(family, Bytes.toBytes(qualifier)); } try { final Table table = connection.getTable(TableName.valueOf(tableName)); ResultScanner scanner = table.getScanner(s); for (Result r = scanner.next(); r != null; r = scanner.next()) { callback.accept(r); } } catch (IOException e) { e.printStackTrace(); } } }