} else if (scheme.equals(ClusteringConstants.MembershipScheme.MULTICAST_BASED)) {
membershipScheme = new MulticastBasedMembershipScheme(parameters, primaryDomain,
nwConfig.getJoin().getMulticastConfig());
membershipScheme.init();
} else if (scheme.equals(HazelcastConstants.AWS_MEMBERSHIP_SCHEME)) {
membershipScheme = new AWSBasedMembershipScheme(parameters, primaryDomain,
nwConfig.getJoin().getAwsConfig());
membershipScheme.init();
} else {
String msg = "Invalid membership scheme '" + scheme +
"'. Supported schemes are multicast & wka";