Example usage for org.apache.commons.collections.map LinkedMap isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections.map LinkedMap isEmpty.

Prototype

public boolean isEmpty() 

Source Link

Document

Checks whether the map is currently empty.

Usage

From source file:de.innovationgate.wgpublisher.webtml.portlet.TMLPortletStateSessionStorage.java

@Override
public TMLPortletState getState(TMLPortlet portlet) throws WGAPIException {

    String completeKey = getSessionContextKey(portlet);

    synchronized (_session) {

        // Get - conditionally create session context map
        Map<String, TMLPortletState> contexts = getSessionMap();

        // Get - conditionally create individual session context
        TMLPortletState context = (TMLPortletState) contexts.get(completeKey);
        if (context == null) {
            context = portlet.createState(this);

            // Set event index to current last index, so events fired before creation of this context are not executed for it
            LinkedMap list = TMLPortlet.getFiredEventsQueue(_session);
            if (!list.isEmpty()) {
                PortletEvent event = (PortletEvent) list.get(list.lastKey());
                context.setLastProcessedEventIndex(event.getIndex());
            }/*  w w w .  j av  a  2  s .  c  o m*/

            contexts.put(completeKey, context);
        }
        return context;
    }

}

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From source file:net.rptools.maptool.client.ui.ChatTypingNotification.java

/**
 * This component is only made visible when there are notifications to be displayed. That means the first couple of
 * IF statements in this method are redundant since paintComponent() will not be called unless the component is
 * visible, and it will only be visible when there are notifications...
 *//*from   w w w.j  ava2s  .  com*/
@Override
protected void paintComponent(Graphics g) {
    //      System.out.println("Chat panel is painting itself...");
    if (AppPreferences.getTypingNotificationDuration() == 0) {
        return;
    }
    LinkedMap chatTypers = MapTool.getFrame().getChatNotificationTimers().getChatTypers();
    if (chatTypers == null || chatTypers.isEmpty()) {
        return;
    }
    Boolean showBackground = AppPreferences.getChatNotificationShowBackground();

    Graphics2D statsG = (Graphics2D) g.create();

    Font boldFont = AppStyle.labelFont.deriveFont(Font.BOLD);
    Font font = AppStyle.labelFont;
    FontMetrics valueFM = g.getFontMetrics(font);
    FontMetrics keyFM = g.getFontMetrics(boldFont);

    int PADDING7 = 7;
    int PADDING3 = 3;
    int PADDING2 = 2;

    BufferedImage img = AppStyle.panelTexture;
    int rowHeight = Math.max(valueFM.getHeight(), keyFM.getHeight());

    setBorder(null);
    int width = AppStyle.miniMapBorder.getRightMargin() + AppStyle.miniMapBorder.getLeftMargin();
    int height = getHeight() - PADDING2 + AppStyle.miniMapBorder.getTopMargin()
            + AppStyle.miniMapBorder.getBottomMargin();

    statsG.setFont(font);
    SwingUtil.useAntiAliasing(statsG);
    Rectangle bounds = new Rectangle(AppStyle.miniMapBorder.getLeftMargin(),
            height - getHeight() - AppStyle.miniMapBorder.getTopMargin(), getWidth() - width,
            getHeight() - AppStyle.miniMapBorder.getBottomMargin() - AppStyle.miniMapBorder.getTopMargin()
                    + PADDING2);

    int y = bounds.y + rowHeight;
    rowHeight = Math.max(rowHeight, AppStyle.chatImage.getHeight());

    setSize(getWidth(), ((chatTypers.size() * (PADDING3 + rowHeight)) + AppStyle.miniMapBorder.getTopMargin()
            + AppStyle.miniMapBorder.getBottomMargin()));

    if (showBackground) {
        g.drawImage(img, 0, 0, getWidth(), getHeight() + PADDING7, this);
        AppStyle.miniMapBorder.paintAround(statsG, bounds);
    }
    Rectangle rightRow = new Rectangle(AppStyle.miniMapBorder.getLeftMargin() + PADDING7,
            AppStyle.miniMapBorder.getTopMargin() + PADDING7, AppStyle.chatImage.getWidth(),
            AppStyle.chatImage.getHeight());

    Set<?> keySet = chatTypers.keySet();
    @SuppressWarnings("unchecked")
    Set<String> playerTimers = (Set<String>) keySet;
    for (String playerNamer : playerTimers) {
        if (showBackground) {
            statsG.setColor(new Color(249, 241, 230, 140));
            statsG.fillRect(bounds.x + PADDING3, y - keyFM.getAscent(),
                    (bounds.width - PADDING7 / 2) - PADDING3, rowHeight);
            statsG.setColor(new Color(175, 163, 149));
            statsG.drawRect(bounds.x + PADDING3, y - keyFM.getAscent(),
                    (bounds.width - PADDING7 / 2) - PADDING3, rowHeight);
        }
        g.drawImage(AppStyle.chatImage, bounds.x + 5, y - keyFM.getAscent(), (int) rightRow.getWidth(),
                (int) rightRow.getHeight(), this);

        // Values
        statsG.setColor(MapTool.getFrame().getChatTypingLabelColor());
        statsG.setFont(boldFont);
        statsG.drawString(I18N.getText("msg.commandPanel.liveTyping", playerNamer),
                bounds.x + AppStyle.chatImage.getWidth() + PADDING7 * 2, y + 5);

        y += PADDING2 + rowHeight;
    }
    if (showBackground) {
        AppStyle.shadowBorder.paintWithin(statsG, bounds);
    } else {
        setOpaque(false);
    }
}

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From source file:org.apache.flink.streaming.connectors.kafka.KafkaConsumerTest.java

@Test
public void testSnapshot() {
    try {//from ww  w.  j  a v  a 2  s  . com
        Field offsetsField = FlinkKafkaConsumerBase.class.getDeclaredField("offsetsState");
        Field runningField = FlinkKafkaConsumerBase.class.getDeclaredField("running");
        Field mapField = FlinkKafkaConsumerBase.class.getDeclaredField("pendingCheckpoints");

        offsetsField.setAccessible(true);
        runningField.setAccessible(true);
        mapField.setAccessible(true);

        FlinkKafkaConsumer08<?> consumer = mock(FlinkKafkaConsumer08.class);
        when(consumer.snapshotState(anyLong(), anyLong())).thenCallRealMethod();

        HashMap<KafkaTopicPartition, Long> testOffsets = new HashMap<>();
        long[] offsets = new long[] { 43, 6146, 133, 16, 162, 616 };
        int j = 0;
        for (long i : offsets) {
            KafkaTopicPartition ktp = new KafkaTopicPartition("topic", j++);
            testOffsets.put(ktp, i);
        }

        LinkedMap map = new LinkedMap();

        offsetsField.set(consumer, testOffsets);
        runningField.set(consumer, true);
        mapField.set(consumer, map);

        assertTrue(map.isEmpty());

        // make multiple checkpoints
        for (long checkpointId = 10L; checkpointId <= 2000L; checkpointId += 9L) {
            HashMap<KafkaTopicPartition, Long> checkpoint = consumer.snapshotState(checkpointId,
                    47 * checkpointId);
            assertEquals(testOffsets, checkpoint);

            // change the offsets, make sure the snapshot did not change
            HashMap<KafkaTopicPartition, Long> checkpointCopy = (HashMap<KafkaTopicPartition, Long>) checkpoint
                    .clone();

            for (Map.Entry<KafkaTopicPartition, Long> e : testOffsets.entrySet()) {
                testOffsets.put(e.getKey(), e.getValue() + 1);
            }

            assertEquals(checkpointCopy, checkpoint);

            assertTrue(map.size() > 0);
            assertTrue(map.size() <= FlinkKafkaConsumer08.MAX_NUM_PENDING_CHECKPOINTS);
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

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