public Map<Option, Object> replicationMap = new HashMap<Option, Object>();
@Override
public AlterKeyspaceSpecification specification() {
replicationMap.put(new DefaultOption("class", String.class, false, false, true), "SimpleStrategy");
replicationMap.put(new DefaultOption("replication_factor", Long.class, false, false, true), 1);
replicationMap.put(new DefaultOption("dc1", Long.class, false, false, true), 2);
replicationMap.put(new DefaultOption("dc2", Long.class, false, false, true), 3);
return AlterKeyspaceSpecification.alterKeyspace().name(name).with(KeyspaceOption.REPLICATION, replicationMap);
}