/* * 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 static com.google.common.collect.Iterables.toArray; import io.airlift.command.Command; import java.util.List; import java.util.Set; import javax.management.openmbean.TabularData; import org.apache.cassandra.tools.NodeProbe; import org.apache.cassandra.tools.NodeTool.NodeToolCmd; @Command(name = "compactionhistory", description = "Print history of compaction") public class CompactionHistory extends NodeToolCmd { @Override public void execute(NodeProbe probe) { System.out.println("Compaction History: "); TabularData tabularData = probe.getCompactionHistory(); if (tabularData.isEmpty()) { System.out.printf("There is no compaction history"); return; } String format = "%-41s%-19s%-29s%-26s%-15s%-15s%s%n"; List<String> indexNames = tabularData.getTabularType().getIndexNames(); System.out.printf(format, toArray(indexNames, Object.class)); Set<?> values = tabularData.keySet(); for (Object eachValue : values) { List<?> value = (List<?>) eachValue; System.out.printf(format, toArray(value, Object.class)); } } }