EnumSet<ClusterState.Metric> metrics = ClusterState.Metric.parseString(request.param("metric"), true);
// do not ask for what we do not need.
clusterStateRequest.nodes(metrics.contains(ClusterState.Metric.NODES) || metrics.contains(ClusterState.Metric.MASTER_NODE));
clusterStateRequest.routingTable(metrics.contains(ClusterState.Metric.ROUTING_TABLE));
clusterStateRequest.metaData(metrics.contains(ClusterState.Metric.METADATA));
clusterStateRequest.blocks(metrics.contains(ClusterState.Metric.BLOCKS));
}
client.admin().cluster().state(clusterStateRequest, new RestBuilderListener<ClusterStateResponse>(channel) {
@Override
public RestResponse buildResponse(ClusterStateResponse response, XContentBuilder builder) throws Exception {