Example usage for java.lang.ref SoftReference get

Introduction

In this page you can find the example usage for java.lang.ref SoftReference get.

Prototype

public T get() 

Source Link

Document

Returns this reference object's referent.

Usage

From source file:com.binroot.fatpita.BitmapManager.java

public void fetchBitmapOnThread(final String urlString, final ImageView imageView,
        final ProgressBar indeterminateProgressBar, final Activity act, final boolean saveToHistory) {
    SoftReference<Bitmap> ref = mCache.get(urlString);
    if (ref != null && ref.get() != null) {
        imageView.setImageBitmap(ref.get());
        return;//from  w w  w .  j av a2 s.  c  om
    }

    final Runnable progressBarShow = new Runnable() {
        public void run() {
            if (indeterminateProgressBar != null) {
                imageView.setVisibility(View.GONE);
                indeterminateProgressBar.setVisibility(View.VISIBLE);
            }
        }
    };
    final Runnable progressBarHide = new Runnable() {
        public void run() {
            if (indeterminateProgressBar != null) {
                indeterminateProgressBar.setVisibility(View.GONE);
                imageView.setVisibility(View.VISIBLE);
            }
        }
    };

    final Handler handler = new Handler() {
        @Override
        public void handleMessage(Message message) {
            if (indeterminateProgressBar != null && act != null)
                act.runOnUiThread(progressBarHide);
            imageView.setImageBitmap((Bitmap) message.obj);
        }
    };

    Thread thread = new Thread() {
        @Override
        public void run() {
            if (indeterminateProgressBar != null && act != null)
                act.runOnUiThread(progressBarShow);
            Bitmap bitmap = fetchBitmap(urlString, saveToHistory);
            Message message = handler.obtainMessage(1, bitmap);
            handler.sendMessage(message);
        }
    };
    thread.start();
}

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From source file:com.guang.eunormia.common.cache.DefaultLocalCache.java

@Override
public Collection<V> values() {
    checkAll();//w  w w . ja  v a  2  s .  c  o m

    Collection<V> values = new ArrayList<V>();

    for (ConcurrentHashMap<K, SoftReference<V>> cache : caches) {
        for (SoftReference<V> sr : cache.values()) {
            values.add(sr.get());
        }
    }

    return values;
}

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From source file:com.securecomcode.text.ConversationAdapter.java

private MessageRecord getMessageRecord(long messageId, Cursor cursor, String type) {
    SoftReference<MessageRecord> reference = messageRecordCache.get(type + messageId);

    if (reference != null) {
        MessageRecord record = reference.get();

        if (record != null)
            return record;
    }//from w ww  . jav  a2 s.c o m

    MmsSmsDatabase.Reader reader = DatabaseFactory.getMmsSmsDatabase(context).readerFor(cursor, masterSecret);

    MessageRecord messageRecord = reader.getCurrent();

    messageRecordCache.put(type + messageId, new SoftReference<MessageRecord>(messageRecord));

    return messageRecord;
}

---

From source file:com.tingtingapps.securesms.ConversationAdapter.java

private MessageRecord getMessageRecord(long messageId, Cursor cursor, String type) {
    SoftReference<MessageRecord> reference = messageRecordCache.get(type + messageId);

    if (reference != null) {
        MessageRecord record = reference.get();

        if (record != null)
            return record;
    }//from   ww w  . j av a 2  s  . c  om

    MmsSmsDatabase.Reader reader = DatabaseFactory.getMmsSmsDatabase(context).readerFor(cursor, masterSecret);

    MessageRecord messageRecord = reader.getCurrent();

    messageRecordCache.put(type + messageId, new SoftReference<>(messageRecord));

    return messageRecord;
}

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From source file:net.logstash.logback.composite.CompositeJsonFormatter.java

private BufferRecycler getBufferRecycler() {
    SoftReference<BufferRecycler> bufferRecyclerReference = recycler.get();
    BufferRecycler bufferRecycler = bufferRecyclerReference.get();
    if (bufferRecycler == null) {
        recycler.remove();//from   ww w . j ava 2 s. co  m
        return getBufferRecycler();
    }
    return bufferRecycler;
}

---

From source file:org.callimachusproject.repository.SparqlServiceCredentialManager.java

private synchronized SPARQLCredentialService getExistingService(Credentials credential, String serviceUrl) {
    if (credential == null) {
        SoftReference<SPARQLCredentialService> ref = services.get(serviceUrl);
        if (ref == null)
            return null;
        return ref.get();
    } else {/*from w ww  .ja  va 2 s .co  m*/
        Map<String, SoftReference<SPARQLCredentialService>> map = protectedServices.get(credential);
        if (map == null)
            return null;
        SoftReference<SPARQLCredentialService> ref = map.get(serviceUrl);
        if (ref == null)
            return null;
        return ref.get();
    }
}

---

From source file:org.broad.igv.peaks.PeakTrackMenu.java

void openTimeSeriesPlot(TrackClickEvent trackClickEvent) {

    if (trackClickEvent == null)
        return;/*from  w w  w . jav  a 2  s  .co m*/

    ReferenceFrame referenceFrame = trackClickEvent.getFrame();
    if (referenceFrame == null)
        return;

    String chr = referenceFrame.getChrName();
    double position = trackClickEvent.getChromosomePosition();

    XYSeriesCollection data = new XYSeriesCollection();
    List<Color> colors = new ArrayList();
    for (SoftReference<PeakTrack> ref : PeakTrack.instances) {
        PeakTrack track = ref.get();
        if (track != null) {
            Peak peak = track.getFilteredPeakNearest(chr, position);
            if (peak != null) {
                XYSeries series = new XYSeries(track.getName());
                float[] scores = peak.getTimeScores();
                if (scores.length == 4) {
                    float t0 = scores[0] + 10;

                    series.add(0, (scores[0] + 10) / t0);
                    series.add(30, (scores[1] + 10) / t0);
                    series.add(60, (scores[2] + 10) / t0);
                    series.add(120, (scores[3] + 10) / t0);
                }
                data.addSeries(series);
                Color c = track.getName().contains("Pol") ? Color.black : track.getColor();
                colors.add(c);
            }
        }
    }

    final JFreeChart chart = ChartFactory.createXYLineChart("", "Time", "Score", data, PlotOrientation.VERTICAL,
            true, true, false);

    NumberAxis axis = (NumberAxis) chart.getXYPlot().getDomainAxis(0);
    axis.setTickUnit(new NumberTickUnit(30));

    final ChartPanel chartPanel = new ChartPanel(chart);
    chartPanel.setPreferredSize(new java.awt.Dimension(400, 400));
    chartPanel.setSize(new java.awt.Dimension(400, 400));

    XYItemRenderer renderer = chart.getXYPlot().getRenderer();
    for (int i = 0; i < colors.size(); i++) {
        renderer.setSeriesPaint(i, colors.get(i));
    }

    chartPanel.setBackground(Color.white);
    chart.getXYPlot().setBackgroundPaint(Color.white);
    chart.getXYPlot().setRangeGridlinePaint(Color.black);

    PeakTimePlotFrame frame = new PeakTimePlotFrame(chartPanel);
    frame.setVisible(true);

}

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From source file:com.taobao.common.tedis.cache.DefaultLocalCache.java

public V remove(K key) {
    SoftReference<V> result = getCache(key).remove(key);
    expiryCache.remove(key);
    return result == null ? null : result.get();
}

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From source file:com.cm.beer.util.ContentManager.java

/**
 * /*from www  .j  a  v a 2  s. c o  m*/
 * @param urlString
 * @param imageView
 */
public void fetchContentOnThread(final String urlString, final Handler handler) {
    if (mContentCache.containsKey(urlString)) {
        SoftReference<String> softReference = mContentCache.get(urlString);

        if ((softReference == null) || (softReference.get() == null)) {
            mContentCache.remove(urlString);
            if (Logger.isLogEnabled())
                Logger.log("fetchContentOnThread():Soft Reference has been Garbage Collected:" + urlString);
        } else {
            String jsonStr = softReference.get();
            if (Logger.isLogEnabled())
                Logger.log(urlString + "=>" + jsonStr);
            Message message = handler.obtainMessage(1, jsonStr);
            handler.sendMessage(message);
            return;
        }
    }

    Thread thread = new Thread() {
        @Override
        public void run() {
            while (mLockCache.containsKey(urlString)) {
                if (Logger.isLogEnabled())
                    Logger.log("URI download request in progress:" + urlString);
                try {
                    Thread.sleep(1000L);
                } catch (InterruptedException e) {
                    Log.e(this.getClass().getName(), e.getMessage());
                }
            }
            String content = fetchContent(urlString);
            Message message = handler.obtainMessage(1, content);
            handler.sendMessage(message);
        }
    };
    thread.start();
}

---

From source file:com.cm.beer.util.ContentManager.java

/**
 * //from   ww  w .  j ava 2 s.c o  m
 * @param urlString
 * @return
 */
public String fetchContent(String urlString) {
    if (mContentCache.containsKey(urlString)) {
        if (Logger.isLogEnabled())
            Logger.log("Returning Content from Cache:" + urlString);
        SoftReference<String> softReference = mContentCache.get(urlString);
        if ((softReference == null) || (softReference.get() == null)) {
            mContentCache.remove(urlString);
            if (Logger.isLogEnabled())
                Logger.log("fetchContent():Soft Reference has been Garbage Collected:" + urlString);
        } else {
            return softReference.get();
        }
    }

    if (Logger.isLogEnabled())
        Logger.log("url:" + urlString);
    try {
        // prevents multithreaded fetches for the same url
        mLockCache.put(urlString, urlString);
        if (Logger.isLogEnabled())
            Logger.log("Begin Downloading:" + urlString);
        InputStream is = fetch(urlString);
        if (Logger.isLogEnabled())
            Logger.log("End Downloading:" + urlString);

        String result = Util.convertStreamToString(is, "UTF-8");

        mContentCache.put(urlString, new SoftReference<String>(result));
        mLockCache.remove(urlString);

        if (Logger.isLogEnabled())
            Logger.log(result);

        return result;
    } catch (Throwable e) {
        Log.e(this.getClass().getName(), "fetchDrawable failed", e);
        return null;
    }
}

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