gerrit.onap Code Review - sdc.git/blob

   1 package org.openecomp.core.tools.commands;
   2
   3 import java.io.IOException;
   4 import java.nio.file.Files;
   5 import java.nio.file.Paths;
   6 import java.util.Collection;
   7 import java.util.List;
   8 import java.util.concurrent.Callable;
   9 import java.util.concurrent.ExecutorService;
  10 import java.util.concurrent.Executors;
  11 import java.util.concurrent.Future;
  12 import java.util.stream.Collectors;
  13 import java.util.stream.Stream;
  14 import org.apache.commons.cli.CommandLine;
  15 import org.apache.commons.cli.Option;
  16 import org.openecomp.core.tools.concurrent.ItemAddContributorsTask;
  17 import org.openecomp.core.tools.exceptions.CommandExecutionRuntimeException;
  18 import org.openecomp.core.tools.store.ItemHandler;
  19 import org.openecomp.core.tools.store.NotificationHandler;
  20 import org.openecomp.core.tools.store.PermissionHandler;
  21 import org.openecomp.sdc.logging.api.Logger;
  22 import org.openecomp.sdc.logging.api.LoggerFactory;
  23
  24 public class AddContributorCommand extends Command {
  25
  26     private static final Logger LOGGER = LoggerFactory.getLogger(AddContributorCommand.class);
  27     private static final String ITEMS_PATH_OPTION = "p";
  28     private static final String UUSERS_PATH_OPTION = "u";
  29     private static final int DEFAULT_THREAD_NUMBER = 8;
  30     private static final String ERROR_TRYING_TO_READ_FILE = "Error while trying to read item list";
  31     private static final String COMMAND_ADD_CONTRIBUTOR_FAILED = "Command AddContributor execution failed.";
  32
  33     AddContributorCommand() {
  34         options.addOption(Option.builder(ITEMS_PATH_OPTION).hasArg().argName("file")
  35                                 .desc("file containing list of item ids, mandatory").build());
  36         options.addOption(Option.builder(UUSERS_PATH_OPTION).hasArg().argName("file")
  37                                 .desc("file containing list of users, mandatory").build());
  38     }
  39
  40     @Override
  41     public boolean execute(String[] args) {
  42         CommandLine cmd = parseArgs(args);
  43
  44         if (!cmd.hasOption(ITEMS_PATH_OPTION) || !cmd.hasOption(UUSERS_PATH_OPTION)) {
  45             LOGGER.error("Arguments p and u are mandatory");
  46             return false;
  47         }
  48
  49         String itemListPath = cmd.getOptionValue(ITEMS_PATH_OPTION);
  50         String userListPath = cmd.getOptionValue(UUSERS_PATH_OPTION);
  51
  52         List<String> itemList;
  53         try {
  54             itemList = getItemList(itemListPath);
  55         } catch (IOException e) {
  56             throw new CommandExecutionRuntimeException(ERROR_TRYING_TO_READ_FILE + "from:" + itemListPath, e);
  57         }
  58         List<String> userList;
  59         try {
  60             userList = load(userListPath).collect(Collectors.toList());
  61         } catch (IOException e) {
  62             throw new CommandExecutionRuntimeException(ERROR_TRYING_TO_READ_FILE + "from:" + userListPath, e);
  63         }
  64
  65         List<ItemAddContributorsTask> tasks =
  66                 itemList.stream().map(itemid -> createTask(itemid, userList)).collect(Collectors.toList());
  67
  68         ExecutorService executor = null;
  69
  70         try {
  71             executor = Executors.newFixedThreadPool(DEFAULT_THREAD_NUMBER);
  72             executeAllTasks(executor, tasks);
  73         } catch (InterruptedException e) {
  74             throw new CommandExecutionRuntimeException(COMMAND_ADD_CONTRIBUTOR_FAILED, e);
  75         } finally {
  76             if (executor != null) {
  77                 executor.shutdownNow();
  78             }
  79         }
  80         return true;
  81     }
  82
  83     @Override
  84     public CommandName getCommandName() {
  85         return CommandName.ADD_CONTRIBUTOR;
  86     }
  87
  88     private static List<String> getItemList(String itemListPath) throws IOException {
  89         List<String> itemList;
  90         if (itemListPath != null) {
  91             itemList = load(itemListPath).collect(Collectors.toList());
  92         } else {
  93             itemList = new ItemHandler().getItemList();
  94         }
  95
  96         return itemList;
  97     }
  98
  99     private static void executeAllTasks(ExecutorService executor, Collection<? extends Callable<String>> tasks)
 100             throws InterruptedException {
 101         List<Future<String>> futureTasks;
 102         futureTasks = executor.invokeAll(tasks);
 103         boolean isThreadOpen = true;
 104         while (isThreadOpen) {
 105             isThreadOpen = futureTasks.stream().anyMatch(future -> !future.isDone());
 106
 107         }
 108     }
 109
 110
 111     private static ItemAddContributorsTask createTask(String itemId, List<String> users) {
 112         return new ItemAddContributorsTask(new PermissionHandler(), new NotificationHandler(), itemId, users);
 113     }
 114
 115     private static Stream<String> load(String filePath) throws IOException {
 116         return Files.lines(Paths.get(filePath));
 117
 118     }
 119
 120
 121 }