Merge pull request #767 from zhicwu/jdk8

Fix missing api

Author: zhicwu

clickhouse-client/src/main/java/com/clickhouse/client/data/ClickHouseBitmap.java

@@ -441,15 +441,15 @@ public static ClickHouseBitmap deserialize(byte[] bytes, ClickHouseDataType inne
                 }
                 // replace the last 5 bytes to flag(boolean for signed/unsigned) and map
                 // size(integer)
-                buffer.position(buffer.position() - 5);
+                ((Buffer) buffer).position(buffer.position() - 5);
                 // always unsigned due to limit of CRoaring
                 buffer.put((byte) 0);
                 // big-endian -> little-endian
                 for (int i = 3; i >= 0; i--) {
                     buffer.put(bitmaps[i]);
                 }
 
-                buffer.position(buffer.position() - 5);
+                ((Buffer) buffer).position(buffer.position() - 5);
                 bitmaps = new byte[buffer.remaining()];
                 buffer.get(bitmaps);
                 Roaring64NavigableMap b = new Roaring64NavigableMap();

clickhouse-jdbc/src/main/java/ru/yandex/clickhouse/util/ClickHouseBitmap.java

@@ -363,15 +363,15 @@ public static ClickHouseBitmap deserialize(byte[] bytes, ClickHouseDataType inne
                 }
                 // replace the last 5 bytes to flag(boolean for signed/unsigned) and map
                 // size(integer)
-                buffer.position(buffer.position() - 5);
+                ((Buffer) buffer).position(buffer.position() - 5);
                 // always unsigned due to limit of CRoaring
                 buffer.put((byte) 0);
                 // big-endian -> little-endian
                 for (int i = 3; i >= 0; i--) {
                     buffer.put(bitmaps[i]);
                 }
 
-                buffer.position(buffer.position() - 5);
+                ((Buffer) buffer).position(buffer.position() - 5);
                 bitmaps = new byte[buffer.remaining()];
                 buffer.get(bitmaps);
                 Roaring64NavigableMap b = new Roaring64NavigableMap();