@Override
    public VplsData getVpls(String vplsName) {
        requireNonNull(vplsName);
        return vplsStore.getVpls(vplsName);
    }
@Test
    public void testGetVpls() {
        VplsData vplsData = VplsData.of(VPLS1);
        vplsData.state(ADDED);
        vplsStore.addVpls(vplsData);

        VplsData result = vplsManager.getVpls(VPLS1);
        assertEquals(vplsData, result);

        result = vplsManager.getVpls(VPLS2);
        assertNull(result);
    }