@Override
	public long getLong(int offset) {
		return (((long) data[offset] & 0xff) << 56) | (((long) data[++offset] & 0xff) << 48) |
			(((long) data[++offset] & 0xff) << 40) | (((long) data[++offset] & 0xff) << 32) |
			(((long) data[++offset] & 0xff) << 24) | (((long) data[++offset] & 0xff) << 16) |
			(((long) data[++offset] & 0xff) << 8) | ((long) data[++offset] & 0xff);
	}
Set the empty flag.
@param state flag state
Ghidra/Framework/DB/src/main/java/db/buffers/DataBuffer.java