cluster/src/main/java/org/apache/iotdb/cluster/utils/nodetool/function/Status.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.cluster.utils.nodetool.function;

import org.apache.iotdb.cluster.rpc.thrift.Node;
import org.apache.iotdb.cluster.utils.nodetool.ClusterMonitorMBean;

import io.airlift.airline.Command;

import java.util.Map;

import static org.apache.iotdb.cluster.utils.nodetool.Printer.msgPrintln;

@Command(name = "status", description = "Print status of all nodes")
public class Status extends NodeToolCmd {

  @Override
  public void execute(ClusterMonitorMBean proxy) {
    Map<Node, Boolean> statusMap = proxy.getAllNodeStatus();
    if (statusMap == null) {
      msgPrintln(BUILDING_CLUSTER_INFO);
      return;
    }
    msgPrintln(String.format("%-30s  %10s", "Node", "Status"));
    statusMap.forEach(
        (node, status) ->
            msgPrintln(
                String.format(
                    "%-30s->%10s",
                    nodeToString(node), (Boolean.TRUE.equals(status) ? "on" : "off"))));
  }
}