| /* |
| * 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.stats; |
| |
| import java.io.PrintStream; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class TpStatsPrinter |
| { |
| public static StatsPrinter from(String format) |
| { |
| switch (format) |
| { |
| case "json": |
| return new StatsPrinter.JsonPrinter(); |
| case "yaml": |
| return new StatsPrinter.YamlPrinter(); |
| default: |
| return new DefaultPrinter(); |
| } |
| |
| } |
| |
| public static class DefaultPrinter implements StatsPrinter<TpStatsHolder> |
| { |
| @Override |
| public void print(TpStatsHolder data, PrintStream out) |
| { |
| Map<String, Object> convertData = data.convert2Map(); |
| |
| out.printf("%-30s%10s%10s%15s%10s%18s%n", "Pool Name", "Active", "Pending", "Completed", "Blocked", "All time blocked"); |
| |
| Map<Object, Object> threadPools = convertData.get("ThreadPools") instanceof Map<?, ?> ? (Map)convertData.get("ThreadPools") : Collections.emptyMap(); |
| for (Map.Entry<Object, Object> entry : threadPools.entrySet()) |
| { |
| Map values = entry.getValue() instanceof Map<?, ?> ? (Map)entry.getValue() : Collections.emptyMap(); |
| out.printf("%-30s%10s%10s%15s%10s%18s%n", |
| entry.getKey(), |
| values.get("ActiveTasks"), |
| values.get("PendingTasks"), |
| values.get("CompletedTasks"), |
| values.get("CurrentlyBlockedTasks"), |
| values.get("TotalBlockedTasks")); |
| } |
| |
| out.printf("%n%-20s%10s%n", "Message type", "Dropped"); |
| |
| Map<Object, Object> droppedMessages = convertData.get("DroppedMessage") instanceof Map<?, ?> ? (Map)convertData.get("DroppedMessage") : Collections.emptyMap(); |
| for (Map.Entry<Object, Object> entry : droppedMessages.entrySet()) |
| { |
| out.printf("%-20s%10s%n", entry.getKey(), entry.getValue()); |
| } |
| } |
| } |
| } |