| /* |
| * 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.cassandra.tools.nodetool; |
| |
| import io.airlift.airline.Command; |
| |
| import java.util.List; |
| |
| import javax.management.openmbean.CompositeData; |
| import javax.management.openmbean.TabularData; |
| |
| import org.apache.cassandra.tools.NodeProbe; |
| import org.apache.cassandra.tools.NodeTool.NodeToolCmd; |
| |
| @Command(name = "failuredetector", description = "Shows the failure detector information for the cluster") |
| public class FailureDetectorInfo extends NodeToolCmd |
| { |
| @Override |
| public void execute(NodeProbe probe) |
| { |
| TabularData data = probe.getFailureDetectorPhilValues(printPort); |
| probe.output().out.printf("%10s,%16s%n", "Endpoint", "Phi"); |
| for (Object o : data.keySet()) |
| { |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| CompositeData datum = data.get(((List) o).toArray(new Object[((List) o).size()])); |
| probe.output().out.printf("%10s,%16.8f%n", datum.get("Endpoint"), datum.get("PHI")); |
| } |
| } |
| } |
| |