| /** |
| * 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.blur.shell; |
| |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| |
| import org.apache.blur.thirdparty.thrift_0_9_0.TException; |
| import org.apache.blur.thrift.generated.Blur.Iface; |
| import org.apache.blur.thrift.generated.BlurException; |
| import org.apache.blur.thrift.generated.CommandStatus; |
| import org.apache.blur.thrift.generated.CommandStatusState; |
| import org.apache.blur.thrift.generated.User; |
| |
| public class ListRunningPlatformCommandsCommand extends Command { |
| |
| @Override |
| public void doit(PrintWriter out, Iface client, String[] args) throws CommandException, TException, BlurException { |
| if (args.length != 1) { |
| throw new CommandException("Invalid args: " + help()); |
| } |
| |
| List<String> commandStatusList = client.commandStatusList(0, Short.MAX_VALUE); |
| RunningSummary runningSummary = new RunningSummary(); |
| for (String id : commandStatusList) { |
| CommandStatus commandStatus = client.commandStatus(id); |
| Map<String, Map<CommandStatusState, Long>> serverStateMap = commandStatus.getServerStateMap(); |
| out.println(serverStateMap); |
| Map<CommandStatusState, Long> summary = getSummary(serverStateMap); |
| if (summary.containsKey(CommandStatusState.RUNNING)) { |
| runningSummary.add(commandStatus, summary); |
| } |
| } |
| |
| runningSummary.print(out); |
| } |
| |
| private Map<CommandStatusState, Long> getSummary(Map<String, Map<CommandStatusState, Long>> serverStateMap) { |
| Map<CommandStatusState, Long> map = new HashMap<CommandStatusState, Long>(); |
| for (Map<CommandStatusState, Long> m : serverStateMap.values()) { |
| for (Entry<CommandStatusState, Long> e : m.entrySet()) { |
| Long c = map.get(e.getKey()); |
| Long newCount = e.getValue(); |
| if (c == null) { |
| map.put(e.getKey(), newCount); |
| } else { |
| map.put(e.getKey(), c + newCount); |
| } |
| } |
| } |
| return map; |
| } |
| |
| @Override |
| public String description() { |
| return "List the running commands on the cluster"; |
| } |
| |
| @Override |
| public String usage() { |
| return ""; |
| } |
| |
| @Override |
| public String name() { |
| return "command-running"; |
| } |
| |
| static class RunningSummary { |
| |
| private List<List<String>> _summary = new ArrayList<List<String>>(); |
| |
| public void add(CommandStatus commandStatus, Map<CommandStatusState, Long> summary) { |
| String executionId = commandStatus.getExecutionId(); |
| String commandName = commandStatus.getCommandName(); |
| User user = commandStatus.getUser(); |
| _summary.add(Arrays.asList(executionId, commandName, user.getUsername(), toString(summary))); |
| } |
| |
| private String toString(Map<CommandStatusState, Long> summary) { |
| StringBuilder builder = new StringBuilder(); |
| for (Entry<CommandStatusState, Long> e : summary.entrySet()) { |
| if (builder.length() != 0) { |
| builder.append(','); |
| } |
| builder.append(e.getKey().name()).append(":").append(e.getValue()); |
| } |
| return builder.toString(); |
| } |
| |
| public void print(PrintWriter out) { |
| if (_summary == null || _summary.isEmpty()) { |
| out.println("No Commands Running"); |
| return; |
| } |
| int[] maxLengths = getMaxLength(); |
| for (List<String> line : _summary) { |
| print(out, line, maxLengths); |
| } |
| } |
| |
| private void print(PrintWriter out, List<String> line, int[] maxLengths) { |
| for (int i = 0; i < line.size(); i++) { |
| int length = maxLengths[i]; |
| print(out, line.get(i), length); |
| } |
| out.println(); |
| } |
| |
| private void print(PrintWriter out, String s, int length) { |
| out.print(buffer(s, length)); |
| } |
| |
| private String buffer(String s, int length) { |
| while (s.length() < length) { |
| s = s + " "; |
| } |
| return s; |
| } |
| |
| private int[] getMaxLength() { |
| int[] len = null; |
| for (List<String> line : _summary) { |
| if (len == null) { |
| len = new int[line.size()]; |
| } |
| for (int i = 0; i < line.size(); i++) { |
| if (line.get(i).length() > len[i]) { |
| len[i] = line.get(i).length(); |
| } |
| } |
| } |
| // Add space between |
| for (int i = 0; i < len.length; i++) { |
| len[i]++; |
| } |
| return len; |
| } |
| } |
| } |