Method readFully

src/main/java/org/sfj/ChiseledMap.java:273–281

(long addr, ByteBuffer tmp)

  }

  private void readFully(long addr, ByteBuffer tmp) throws IOException {
    do {
      int many = fc.read(tmp, addr);
      if (many <= 0) {
        throw new IOException();
      }
      addr = addr + many;
    } while (tmp.hasRemaining());
  }

  private synchronized void flushBuffer() throws IOException {
    // flush defautl buffer, reset pending count