java.util.concurrent.CopyOnWriteArrayList#isEmpty

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取oschina的文章列表
 */
@Test
public void oschinaTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.OSCHINA);
    config.setUid("haitaohu")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.URL_COUNT)
            .setCount(5);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: DefaultSubscriberListener.java From diamond with Apache License 2.0

6 votes

public void receiveConfigInfo(final ConfigureInfomation configureInfomation) {
    String dataId = configureInfomation.getDataId();
    String group = configureInfomation.getGroup();
    if (null == dataId) {
        dataLog.error("[receiveConfigInfo] dataId is null");
        return;
    }

    String key = makeKey(dataId, group);
    CopyOnWriteArrayList<ManagerListener> listeners = allListeners.get(key);
    if (listeners == null || listeners.isEmpty()) {
        dataLog.warn("[notify-listener] no listener for dataId=" + dataId + ", group=" + group);
        return;
    }

    for (ManagerListener listener : listeners) {
        try {
            notifyListener(configureInfomation, listener);
        }
        catch (Throwable t) {
            dataLog.error("call listener error, dataId=" + dataId + ", group=" + group, t);
        }
    }
}

Source File: MQTT_PVConn.java From phoebus with Eclipse Public License 1.0

6 votes

public void unsubscribeTopic (String topicStr, MQTT_PV pv) throws Exception
{
    if (!connect())
    {
        PV.logger.log(Level.WARNING, "Could not unsubscribe to mqtt topic \"" + topicStr
                + "\" due to no broker connection");
        throw new Exception("MQTT unsubscribe failed: no broker connection");
    }

    final CopyOnWriteArrayList<MQTT_PV> pvs = subscribers.get(topicStr);
    if (pvs == null)
    {
        PV.logger.log(Level.WARNING, "Could not unsubscribe to mqtt topic \"" + topicStr
                + "\" due to no internal record of topic");
        throw new Exception("MQTT unsubscribe failed: no topic record");
    }

    pvs.remove(pv);
    if (pvs.isEmpty())
    {
        subscribers.remove(topicStr);
        myClient.unsubscribe(topicStr);
        if (subscribers.isEmpty())
            disconnect();
    }
}

Source File: EventBus.java From KUtils with Apache License 2.0

6 votes

public boolean hasSubscriberForEvent(Class<?> eventClass) {
    List<Class<?>> eventTypes = lookupAllEventTypes(eventClass);
    if (eventTypes != null) {
        int countTypes = eventTypes.size();
        for (int h = 0; h < countTypes; h++) {
            Class<?> clazz = eventTypes.get(h);
            CopyOnWriteArrayList<Subscription> subscriptions;
            synchronized (this) {
                subscriptions = subscriptionsByEventType.get(clazz);
            }
            if (subscriptions != null && !subscriptions.isEmpty()) {
                return true;
            }
        }
    }
    return false;
}

Source File: DictionaryCollection.java From AOSP-Kayboard-7.1.2 with Apache License 2.0

6 votes

@Override
public ArrayList<SuggestedWordInfo> getSuggestions(final ComposedData composedData,
        final NgramContext ngramContext, final long proximityInfoHandle,
        final SettingsValuesForSuggestion settingsValuesForSuggestion,
        final int sessionId, final float weightForLocale,
        final float[] inOutWeightOfLangModelVsSpatialModel) {
    final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
    if (dictionaries.isEmpty()) return null;
    // To avoid creating unnecessary objects, we get the list out of the first
    // dictionary and add the rest to it if not null, hence the get(0)
    ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getSuggestions(composedData,
            ngramContext, proximityInfoHandle, settingsValuesForSuggestion, sessionId,
            weightForLocale, inOutWeightOfLangModelVsSpatialModel);
    if (null == suggestions) suggestions = new ArrayList<>();
    final int length = dictionaries.size();
    for (int i = 1; i < length; ++ i) {
        final ArrayList<SuggestedWordInfo> sugg = dictionaries.get(i).getSuggestions(
                composedData, ngramContext, proximityInfoHandle, settingsValuesForSuggestion,
                sessionId, weightForLocale, inOutWeightOfLangModelVsSpatialModel);
        if (null != sugg) suggestions.addAll(sugg);
    }
    return suggestions;
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取oschina的文章列表，自定义抓取规则
 */
@Test
public void oschinaTest2() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.V2EX);
    config.setEntryUrls("https://my.oschina.net/haitaohu")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.DURATION)
            // 设定抓取120秒， 如果所有文章都被抓取过了，则会提前停止
            .setCount(120);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取v2ex的文章列表，自定义抓取规则
 */
@Test
public void v2exTest2() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.V2EX);
    config.setEntryUrls("https://www.v2ex.com/member/Evernote")
            .addEntryUrl("https://www.v2ex.com/member/ityouknow")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.DURATION)
            // 设定抓取120秒， 如果所有文章都被抓取过了，则会提前停止
            .setCount(120);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取掘金的文章列表
 */
@Test
public void juejinTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.JUEJIN);
    // 设置用户的id
    config.setUid("5b90662de51d450e8b1370f6")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.URL_COUNT)
            .setCount(5);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取cnblogs的文章列表。按照程序运行的时间（s）控制程序停止，并使用默认的时间（60s）
 */
@Test
public void cnblogsTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.CNBLOGS);
    // 设置用户的id
    config.setUid("zhangyadong")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.DURATION);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取iteye的文章列表。按照抓取的文章条数控制程序停止，并使用默认的条数（10条）
 */
@Test
public void iteyeTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.ITEYE);
    // 设置用户的id
    config.setUid("843977358")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.URL_COUNT);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取csdn的文章列表。按照程序运行的时间（s）控制程序停止，并且手动指定程序运行的时间
 */
@Test
public void csdnTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.CSDN);
    // 设置用户的id
    config.setUid("u011197448")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.DURATION)
            // 根据ExitWay设置，当ExitWay = URL_COUNT时， count表示待抓取的链接个数；当ExitWay = DURATION时， count表示爬虫运行的时间，理想状态时1s抓取一条，受实际网速影响；当ExitWay = default时，程序不做限制，抓取所有匹配到的文章，“慎用”
            // 如果不手动设置该值， 则取ExitWayEnum中默认的数量，URL_COUNT(10)，DURATION(60)
            .setCount(10);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    System.out.println("程序开始执行：" + new Date());
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    System.out.println("程序执行完毕：" + new Date());
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

6 votes

/**
 * 测试抓取imooc的文章列表。按照抓取的文章条数控制程序停止，并且手动指定待抓取的连接条数
 */
@Test
public void imoocTest() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.IMOOC);
    // 设置用户的id
    config.setUid("1175248")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.URL_COUNT)
            // 根据ExitWay设置，当ExitWay = URL_COUNT时， count表示待抓取的链接个数；当ExitWay = DURATION时， count表示爬虫运行的时间，理想状态时1s抓取一条，受实际网速影响；当ExitWay = default时，程序不做限制，抓取所有匹配到的文章，“慎用”
            // 如果不手动设置该值， 则取ExitWayEnum中默认的数量，URL_COUNT(10)，DURATION(60)
            .setCount(2);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: EventBus.java From KUtils-master with Apache License 2.0

6 votes

public boolean hasSubscriberForEvent(Class<?> eventClass) {
    List<Class<?>> eventTypes = lookupAllEventTypes(eventClass);
    if (eventTypes != null) {
        int countTypes = eventTypes.size();
        for (int h = 0; h < countTypes; h++) {
            Class<?> clazz = eventTypes.get(h);
            CopyOnWriteArrayList<Subscription> subscriptions;
            synchronized (this) {
                subscriptions = subscriptionsByEventType.get(clazz);
            }
            if (subscriptions != null && !subscriptions.isEmpty()) {
                return true;
            }
        }
    }
    return false;
}

Source File: DictionaryCollection.java From openboard with GNU General Public License v3.0

6 votes

@Override
public ArrayList<SuggestedWordInfo> getSuggestions(final ComposedData composedData,
        final NgramContext ngramContext, final long proximityInfoHandle,
        final SettingsValuesForSuggestion settingsValuesForSuggestion,
        final int sessionId, final float weightForLocale,
        final float[] inOutWeightOfLangModelVsSpatialModel) {
    final CopyOnWriteArrayList<Dictionary> dictionaries = mDictionaries;
    if (dictionaries.isEmpty()) return null;
    // To avoid creating unnecessary objects, we get the list out of the first
    // dictionary and add the rest to it if not null, hence the get(0)
    ArrayList<SuggestedWordInfo> suggestions = dictionaries.get(0).getSuggestions(composedData,
            ngramContext, proximityInfoHandle, settingsValuesForSuggestion, sessionId,
            weightForLocale, inOutWeightOfLangModelVsSpatialModel);
    if (null == suggestions) suggestions = new ArrayList<>();
    final int length = dictionaries.size();
    for (int i = 1; i < length; ++ i) {
        final ArrayList<SuggestedWordInfo> sugg = dictionaries.get(i).getSuggestions(
                composedData, ngramContext, proximityInfoHandle, settingsValuesForSuggestion,
                sessionId, weightForLocale, inOutWeightOfLangModelVsSpatialModel);
        if (null != sugg) suggestions.addAll(sugg);
    }
    return suggestions;
}

Source File: ViewTreeObserver.java From android_9.0.0_r45 with Apache License 2.0

5 votes

/**
 * @hide
 */
public final void dispatchOnEnterAnimationComplete() {
    // NOTE: because of the use of CopyOnWriteArrayList, we *must* use an iterator to
    // perform the dispatching. The iterator is a safe guard against listeners that
    // could mutate the list by calling the various add/remove methods. This prevents
    // the array from being modified while we iterate it.
    final CopyOnWriteArrayList<OnEnterAnimationCompleteListener> listeners =
            mOnEnterAnimationCompleteListeners;
    if (listeners != null && !listeners.isEmpty()) {
        for (OnEnterAnimationCompleteListener listener : listeners) {
            listener.onEnterAnimationComplete();
        }
    }
}

Source File: QuickStartTest.java From blog-hunter with MIT License

5 votes

/**
 * 高级使用
 */
@Test
public void other() {
    HunterConfig config = HunterConfigContext.getHunterConfig(Platform.IMOOC);
    // set会重置，add会追加
    config.setEntryUrls("https://www.imooc.com/u/1175248/articles")
            .addEntryUrl("https://www.imooc.com/u/4321686/articles")
            // 设置程序退出的方式
            .setExitWay(ExitWayEnum.URL_COUNT)
            // 设定抓取120秒， 如果所有文章都被抓取过了，则会提前停止
            .setCount(20)
            // 每次抓取间隔的时间
            .setSleepTime(100)
            // 失败重试次数
            .setRetryTimes(3)
            // 针对抓取失败的链接 循环重试次数
            .setCycleRetryTimes(3)
            // 开启的线程数
            .setThreadCount(5)
            // 开启图片转存
            .setConvertImg(true);
    HunterProcessor hunter = new BlogHunterProcessor(config);
    CopyOnWriteArrayList<VirtualArticle> list = hunter.execute();
    if (null == list || list.isEmpty()) {
        System.out.println("没获取到数据");
    } else {
        this.check(list);
    }
}

Source File: PluginPackageManagerNative.java From Neptune with Apache License 2.0

5 votes

@Override
public void onActionComplete(PluginLiteInfo info, int resultCode) throws RemoteException {
    String pkgName = info.packageName;
    PluginDebugLog.installFormatLog(TAG, "onActionComplete with %s, resultCode: %d", pkgName, resultCode);
    if (sActionMap.containsKey(pkgName)) {
        final CopyOnWriteArrayList<Action> actions = sActionMap.get(pkgName);
        if (actions == null) {
            return;
        }

        synchronized (actions) {  // Action列表加锁同步
            PluginDebugLog.installFormatLog(TAG, "%s has %d action in list!", pkgName, actions.size());
            if (actions.size() > 0) {
                Action finishedAction = actions.remove(0);
                if (finishedAction != null) {
                    PluginDebugLog.installFormatLog(TAG,
                            "get and remove first action:%s ", finishedAction.toString());
                }

                if (actions.isEmpty()) {
                    PluginDebugLog.installFormatLog(TAG,
                            "onActionComplete remove empty action list of %s", pkgName);
                    sActionMap.remove(pkgName);
                } else {
                    // 执行下一个Action操作，不能同步，否则容易出现栈溢出
                    executeNextAction(actions, pkgName);
                }
            }
        }
    }
}

Source File: EventBus.java From KUtils with Apache License 2.0

5 votes

private boolean postSingleEventForEventType(String tag, Object event, PostingThreadState postingState, Class<?> eventClass) {
    CopyOnWriteArrayList<Subscription> subscriptions;
    synchronized (this) {
        subscriptions = subscriptionsByEventType.get(eventClass);
    }
    if (subscriptions != null && !subscriptions.isEmpty()) {
        for (Subscription subscription : subscriptions) {
            postingState.event = event;
            postingState.subscription = subscription;
            boolean aborted = false;
            try {
                if (TextUtils.isEmpty(tag)) tag = DEFAULT_TAG;
                if (tag.equals(subscription.subscriberMethod.tag)) {
                    postToSubscription(subscription, event, postingState.isMainThread);
                } else {
                    Log.d("EventBus", "当前指定的Tag未找到");
                }
                aborted = postingState.canceled;
            } finally {
                postingState.event = null;
                postingState.subscription = null;
                postingState.canceled = false;
            }
            if (aborted) {
                break;
            }
        }
        return true;
    }
    return false;
}

Source File: EventBus.java From KUtils-master with Apache License 2.0

5 votes

private boolean postSingleEventForEventType(String tag, Object event, PostingThreadState postingState, Class<?> eventClass) {
    CopyOnWriteArrayList<Subscription> subscriptions;
    synchronized (this) {
        subscriptions = subscriptionsByEventType.get(eventClass);
    }
    if (subscriptions != null && !subscriptions.isEmpty()) {
        for (Subscription subscription : subscriptions) {
            postingState.event = event;
            postingState.subscription = subscription;
            boolean aborted = false;
            try {
                if (TextUtils.isEmpty(tag)) tag = DEFAULT_TAG;
                if (tag.equals(subscription.subscriberMethod.tag)) {
                    postToSubscription(subscription, event, postingState.isMainThread);
                } else {
                    Log.d("EventBus", "当前指定的Tag未找到");
                }
                aborted = postingState.canceled;
            } finally {
                postingState.event = null;
                postingState.subscription = null;
                postingState.canceled = false;
            }
            if (aborted) {
                break;
            }
        }
        return true;
    }
    return false;
}

Source File: Bootstrap.java From windup with Eclipse Public License 1.0

4 votes

private void run(List<String> args)
{
    try
    {
        furnace = FurnaceFactory.getInstance();
        furnace.setServerMode(true);

        CopyOnWriteArrayList<Command> commands = new CopyOnWriteArrayList<>(processArguments(args));

        if (!executePhase(CommandPhase.PRE_CONFIGURATION, commands))
            return;

        if (!executePhase(CommandPhase.CONFIGURATION, commands))
            return;

        if (commands.isEmpty())
        {
            // no commands are available, just print the help and exit
            new DisplayHelpCommand().execute();
            return;
        }

        if (!containsMutableRepository(furnace.getRepositories()))
        {
            furnace.addRepository(AddonRepositoryMode.MUTABLE, getUserAddonsDir());
        }

        if (!executePhase(CommandPhase.POST_CONFIGURATION, commands) || commands.isEmpty())
            return;

        furnace.addContainerLifecycleListener(containerStatusListener);
        try
        {
            startFurnace();
        }
        catch (Exception e)
        {
            System.out.println("Failed to start "+ Util.WINDUP_BRAND_NAME_ACRONYM+"!");
            if (e.getMessage() != null)
                System.out.println("Failure reason: " + e.getMessage());
            e.printStackTrace();
        }

        if (!executePhase(CommandPhase.PRE_EXECUTION, commands) || commands.isEmpty())
            return;

        furnace.addContainerLifecycleListener(new GreetingListener());

        // Now see if there are any server SPIs that need to run
        Imported<WindupServerProvider> serverProviders = furnace.getAddonRegistry().getServices(WindupServerProvider.class);
        for (WindupServerProvider serverProvider : serverProviders)
        {
            String expectedArgName = serverProvider.getName();

            boolean matches = args.stream().anyMatch(arg ->
                arg.equals(expectedArgName) || arg.equals("--" + expectedArgName)
            );
            if (matches)
            {
                serverProvider.runServer(args.toArray(new String[args.size()]));
                return;
            }
        }

        if (!executePhase(CommandPhase.EXECUTION, commands) || commands.isEmpty())
            return;

        if (!executePhase(CommandPhase.POST_EXECUTION, commands) || commands.isEmpty())
            return;

    }
    catch (Throwable t)
    {
        System.err.println(Util.WINDUP_BRAND_NAME_ACRONYM +" execution failed due to: " + t.getMessage());
        t.printStackTrace();
    }
}

Java Code Examples for java.util.concurrent.CopyOnWriteArrayList#isEmpty()