public String getDcName() {
      return dcName;
    }
Construct a DcInfo object with the given parameters.
@param dcName the associated datacenter name.
@param dcId the associated datacenter ID.
@param zkConnectStrs the associated ZK connect strings for this datacenter. (Usually there should be only one ZK
                     endpoint but in special case we allow multiple ZK endpoints in same dc)
@param replicaType the type of replicas (cloud or disk backed) present in this datacenter.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/ClusterMapUtils.java