public boolean greaterThan(SentinelVersion version) {
        if (version == null) {
            return true;
        }
        return getFullVersion() > version.getFullVersion();
    }
@Test
    public void testGreater() {
        assertTrue(new SentinelVersion(2, 0, 0).greaterThan(new SentinelVersion(1, 0, 0)));
        assertTrue(new SentinelVersion(1, 1, 0).greaterThan(new SentinelVersion(1, 0, 0)));
        assertTrue(new SentinelVersion(1, 1, 2).greaterThan(new SentinelVersion(1, 1, 0)));
        assertTrue(new SentinelVersion(1, 1, 4).greaterThan(new SentinelVersion(1, 1, 3)));
        assertFalse(new SentinelVersion(1, 0, 0).greaterThan(new SentinelVersion(1, 0, 0)));
        assertFalse(new SentinelVersion(1, 0, 0).greaterThan(new SentinelVersion(1, 1, 0)));
        assertFalse(new SentinelVersion(1, 1, 3).greaterThan(new SentinelVersion(1, 1, 3)));
        assertFalse(new SentinelVersion(1, 1, 2).greaterThan(new SentinelVersion(1, 1, 3)));
        assertFalse(new SentinelVersion(1, 0, 0, "").greaterThan(new SentinelVersion(1, 0, 0)));
        assertTrue(new SentinelVersion(1, 0, 1).greaterThan(new SentinelVersion(1, 0, 0)));
        assertTrue(new SentinelVersion(1, 0, 1, "a").greaterThan(new SentinelVersion(1, 0, 0, "b")));
        assertFalse(new SentinelVersion(1, 0, 0, "b").greaterThan(new SentinelVersion(1, 0, 0, "a")));
    }