Example usage for java.util HashMap remove

Introduction

In this page you can find the example usage for java.util HashMap remove.

Prototype

public V remove(Object key) 

Source Link

Document

Removes the mapping for the specified key from this map if present.

Usage

From source file:com.wms.studio.cache.lock.SyncLockMapCache.java

/**
 * ?//from   ww w. j a  v a 2  s.  c  om
 * 
 * @param cacheKey
 */
public void removes(List<K> cacheKey) {
    // ??????
    try {
        lock.lock();
        HashMap<K, V> attributes = memcachedClient.get(name);
        if (attributes == null) {
            return;
        }
        for (K key : cacheKey) {
            attributes.remove(key);
        }
        memcachedClient.replace(name, 0, attributes);
    } catch (Exception e) {
        log.fatal("MemCache,.", e);
    } finally {
        lock.unlock();
    }
}

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From source file:com.wms.studio.cache.memcache.MemCacheMapCache.java

@Override
public V remove(final K key) throws CacheException {
    // ??????memcache?????
    synchronized (name) {
        try {// ww w  .  jav  a 2  s  . c  o  m
            memcachedClient.cas(name, new CASOperation<HashMap<K, V>>() {

                @Override
                public int getMaxTries() {
                    return reCount;
                }

                @Override
                public HashMap<K, V> getNewValue(long currentCAS, HashMap<K, V> currentValue) {

                    if (currentValue == null) {
                        currentValue = new HashMap<>();
                    }
                    currentValue.remove(key);
                    return currentValue;
                }
            });
        } catch (TimeoutException | InterruptedException | MemcachedException e) {
            log.fatal("MemCache", e);
        }
    }

    return null;
}

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From source file:org.epics.archiverappliance.TomcatSetup.java

private HashMap<String, String> createEnvironment(String testName, String applianceName) {
    HashMap<String, String> environment = new HashMap<String, String>();
    environment.putAll(System.getenv());
    environment.remove("CLASSPATH");
    environment.put("CATALINA_HOME", System.getenv("TOMCAT_HOME"));
    File workFolder = new File("tomcat_" + testName + File.separator + applianceName);
    assert (workFolder.exists());
    environment.put("CATALINA_BASE", workFolder.getAbsolutePath());

    environment.put(ConfigService.ARCHAPPL_CONFIGSERVICE_IMPL, ConfigServiceForTests.class.getName());
    environment.put(DefaultConfigService.SITE_FOR_UNIT_TESTS_NAME,
            DefaultConfigService.SITE_FOR_UNIT_TESTS_VALUE);

    environment.put(ConfigService.ARCHAPPL_MYIDENTITY, applianceName);
    if (!System.getProperties().containsKey(ConfigService.ARCHAPPL_APPLIANCES)) {
        environment.put(ConfigService.ARCHAPPL_APPLIANCES,
                new File("./src/sitespecific/tests/classpathfiles/appliances.xml").getAbsolutePath());
    } else {/*from   ww w .j  a  v a 2 s .  c o m*/
        environment.put(ConfigService.ARCHAPPL_APPLIANCES,
                (String) System.getProperties().get(ConfigService.ARCHAPPL_APPLIANCES));
    }

    if (!System.getProperties().containsKey(ConfigService.ARCHAPPL_PERSISTENCE_LAYER) || System.getProperties()
            .get(ConfigService.ARCHAPPL_PERSISTENCE_LAYER).equals(InMemoryPersistence.class.getName())) {
        environment.put(ConfigService.ARCHAPPL_PERSISTENCE_LAYER,
                "org.epics.archiverappliance.config.persistence.InMemoryPersistence");
    } else {
        String persistenceFile = (String) System.getProperties().get(JDBM2Persistence.ARCHAPPL_JDBM2_FILENAME);
        logger.info("Persistence layer is provided by "
                + System.getProperties().get(ConfigService.ARCHAPPL_PERSISTENCE_LAYER));
        assert (persistenceFile != null);
        String persistenceFileForMember = persistenceFile.replace(".jdbm2", "_" + applianceName + ".jdbm2");
        environment.put(ConfigService.ARCHAPPL_PERSISTENCE_LAYER,
                (String) System.getProperties().get(ConfigService.ARCHAPPL_PERSISTENCE_LAYER));
        environment.put(JDBM2Persistence.ARCHAPPL_JDBM2_FILENAME, persistenceFileForMember);
        logger.info("Persistence file for member " + persistenceFileForMember);
    }

    overrideEnvWithSystemProperty(environment, "ARCHAPPL_SHORT_TERM_FOLDER");
    overrideEnvWithSystemProperty(environment, "ARCHAPPL_MEDIUM_TERM_FOLDER");
    overrideEnvWithSystemProperty(environment, "ARCHAPPL_LONG_TERM_FOLDER");

    if (logger.isDebugEnabled()) {
        for (String key : environment.keySet()) {
            logger.debug("Env " + key + "=" + environment.get(key));
        }
    }

    return environment;
}

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From source file:com.adaptris.util.datastore.SimpleDataStore.java

/**
 * @see DataStore#remove(String, String)
 */// w  w  w . ja va2 s .c om
@Override
public void remove(String id, String type) throws DataStoreException {
    try {
        checkConfiguration();
        getLock();

        HashMap sharedData = readData();
        sharedData.remove(id + type);
        writeData(sharedData);
    } catch (Exception e) {
        throw new DataStoreException("Shared data could not be removed.", e);
    } finally {
        removeLock();
    }
}

---

From source file:com.tongbanjie.tarzan.server.client.ClientManager.java

public void unregister(final String group, final ClientChannelInfo clientChannelInfo) {
    try {//from   w  w  w  . j av  a 2 s  .  c  o  m
        if (this.groupChannelLock.tryLock(LOCK_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS)) {
            try {
                HashMap<Channel, ClientChannelInfo> channelTable = this.groupChannelTable.get(group);
                if (null != channelTable && !channelTable.isEmpty()) {
                    ClientChannelInfo old = channelTable.remove(clientChannelInfo.getChannel());
                    if (old != null) {
                        LOGGER.info("unregister a client[{}] from groupChannelTable {}", group,
                                clientChannelInfo.toString());
                    }

                    if (channelTable.isEmpty()) {
                        this.groupChannelTable.remove(group);
                        LOGGER.info("unregister a client group[{}] from groupChannelTable", group);
                    }
                }
            } finally {
                this.groupChannelLock.unlock();
            }
        } else {
            LOGGER.warn("ClientManager unregister client lock timeout");
        }
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        LOGGER.error("", e);
    }
}

---

From source file:org.apache.hama.util.Files.java

/**
 * Merges k sequence files each of size n using knlog(k) merge algorithm.
 * @param  inputPath :the input directory which contains sorted sequence
 *                    files, that have to be merged.
 * @param  fs        :the filesystem/*from  w w  w  . ja v  a 2  s.  c  o m*/
 * @param outputPath :the path to the merged sorted sequence file.
 */
public static <KEY extends WritableComparable<? super KEY>, VALUE extends Writable> void merge(FileSystem fs,
        Path inputPath, Path outputPath, Class<KEY> keyClazz, Class<VALUE> valClazz) {

    Configuration conf = fs.getConf();

    PriorityQueue<KVPair<KEY, VALUE>> pq = new PriorityQueue<KVPair<KEY, VALUE>>();

    //Map from KeyValuePair to the split number to which it belongs.
    HashMap<KVPair<KEY, VALUE>, Integer> keySplitMap = new HashMap<KVPair<KEY, VALUE>, Integer>();

    FileStatus[] files;
    SequenceFile.Writer writer = null;
    SequenceFile.Reader reader[] = null;
    try {
        files = fs.listStatus(inputPath);
        reader = new SequenceFile.Reader[files.length];

        for (int i = 0; i < files.length; i++) {
            if (files[i].getLen() > 0) {
                reader[i] = new SequenceFile.Reader(fs, files[i].getPath(), conf);
                KEY key = ReflectionUtils.newInstance(keyClazz, new Object[0]);
                VALUE val = ReflectionUtils.newInstance(valClazz, new Object[0]);

                reader[i].next(key, val);
                KVPair<KEY, VALUE> kv = new KVPair<KEY, VALUE>(key, val);
                pq.add(kv);
                keySplitMap.put(kv, i);
            }
        }

        writer = SequenceFile.createWriter(fs, conf, outputPath, keyClazz, valClazz);

        while (!pq.isEmpty()) {
            KVPair<KEY, VALUE> smallestKey = pq.poll();
            writer.append(smallestKey.getKey(), smallestKey.getValue());
            Integer index = keySplitMap.get(smallestKey);
            keySplitMap.remove(smallestKey);

            KEY key = ReflectionUtils.newInstance(keyClazz, new Object[0]);
            VALUE val = ReflectionUtils.newInstance(valClazz, new Object[0]);

            if (reader[index].next(key, val)) {
                KVPair<KEY, VALUE> kv = new KVPair<KEY, VALUE>(key, val);
                pq.add(kv);
                keySplitMap.put(kv, index);
            }
        }

    } catch (IOException e) {
        LOG.error("Couldn't get status, exiting ...", e);
        System.exit(-1);
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (IOException e) {
                LOG.error("Cannot close writer to sorted seq. file. Exiting ...", e);
                System.exit(-1);
            }
        }
    }
}

---

From source file:org.duracloud.syncoptimize.config.SyncOptimizeConfigParserTest.java

public void testStandardOptions(SyncOptimizeConfigParser retConfigParser, String expectedPassword)
        throws Exception {
    HashMap<String, String> argsMap = getArgsMap();

    // Process configs, make sure values match
    SyncOptimizeConfig syncOptConfig = retConfigParser.processOptions(mapToArray(argsMap));
    checkStandardOptions(argsMap, syncOptConfig);

    // Remove optional params
    argsMap.remove("-r");
    argsMap.remove("-n");
    argsMap.remove("-m");

    // Process configs, make sure optional params are set to defaults
    syncOptConfig = retConfigParser.processOptions(mapToArray(argsMap));
    assertEquals(SyncOptimizeConfigParser.DEFAULT_PORT, syncOptConfig.getPort());
    assertEquals(SyncOptimizeConfigParser.DEFAULT_NUM_FILES, syncOptConfig.getNumFiles());
    assertEquals(SyncOptimizeConfigParser.DEFAULT_SIZE_FILES, syncOptConfig.getSizeFiles());
    assertEquals(expectedPassword, syncOptConfig.getPassword());

    // Make sure error is thrown on missing required params
    for (String arg : argsMap.keySet()) {
        String failMsg = "An exception should have been thrown due to " + "missing arg: " + arg;
        removeArgFailTest(retConfigParser, argsMap, arg, failMsg);
    }//from   w  w  w.ja v  a2s.c  o m

    // Make sure error is thrown when numerical args are not numerical
    String failMsg = "Port arg should require a numerical value";
    addArgFailTest(retConfigParser, argsMap, "-r", "nonNum", failMsg);
}

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From source file:org.opensilk.music.library.mediastore.util.FilesUtil.java

@NonNull
public static List<Track> convertAudioFilesToTracks(Context context, File base, List<File> audioFiles) {
    if (audioFiles.size() == 0) {
        return Collections.emptyList();
    }//from  w  w w  .j  ava2  s. co m

    final List<Track> trackList = new ArrayList<>(audioFiles.size());

    Cursor c = null;
    try {
        final HashMap<String, File> pathMap = new HashMap<>();

        //Build the selection
        final int size = audioFiles.size();
        final StringBuilder selection = new StringBuilder();
        selection.append(MediaStore.Audio.AudioColumns.DATA + " IN (");
        for (int i = 0; i < size; i++) {
            final File f = audioFiles.get(i);
            final String path = f.getAbsolutePath();
            pathMap.put(path, f); //Add file to map while where iterating
            //TODO it would probably be better to use selectionArgs
            selection.append("'").append(StringUtils.replace(path, "'", "''")).append("'");
            if (i < size - 1) {
                selection.append(",");
            }
        }
        selection.append(")");

        //make query
        c = context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                Projections.SONG_FILE, selection.toString(), null, null);
        if (c != null && c.moveToFirst()) {
            do {
                final File f = pathMap
                        .remove(c.getString(c.getColumnIndexOrThrow(MediaStore.Audio.AudioColumns.DATA)));
                if (f != null) {
                    try {
                        Track.Builder tb = Track.builder()
                                .setIdentity(c.getString(c.getColumnIndexOrThrow(BaseColumns._ID)))
                                .setName(getStringOrNull(c, MediaStore.Audio.AudioColumns.DISPLAY_NAME))
                                .setArtistName(getStringOrNull(c, MediaStore.Audio.AudioColumns.ARTIST))
                                .setAlbumName(getStringOrNull(c, MediaStore.Audio.AudioColumns.ALBUM))
                                .setAlbumArtistName(getStringOrNull(c, "album_artist"))
                                .setAlbumIdentity(getStringOrNull(c, MediaStore.Audio.AudioColumns.ALBUM_ID))
                                .setDuration(
                                        (int) (getLongOrZero(c, MediaStore.Audio.AudioColumns.DURATION) / 1000))
                                .setMimeType(getStringOrNull(c, MediaStore.Audio.AudioColumns.MIME_TYPE))
                                .setDataUri(
                                        generateDataUri(c.getString(c.getColumnIndexOrThrow(BaseColumns._ID))))
                                .setArtworkUri(generateArtworkUri(
                                        c.getString(c.getColumnIndexOrThrow(MediaStore.Audio.Media.ALBUM_ID))));
                        trackList.add(tb.build());
                    } catch (IllegalArgumentException ignored) {
                    }
                }
            } while (c.moveToNext());
        }
        if (!pathMap.isEmpty()) {
            Timber.w("%d audioFiles didn't make the cursor", pathMap.size());
            for (File f : pathMap.values()) {
                trackList.add(makeTrackFromFile(base, f));
            }
        }
    } catch (Exception e) {
        if (DUMPSTACKS)
            Timber.e(e, "convertAudioFilesToTracks");
    } finally {
        closeQuietly(c);
    }
    return trackList;
}

---

From source file:cr.ac.siua.tec.utils.impl.CEInclusionPDFGenerator.java

/**
 * Fills the PDF file (inclusion.pdf) with the ticket values and returns base64 encoded string.
 *///  ww w  .j  a  v a2s.  c o m
@Override
public String generate(HashMap<String, String> formValues) {
    String originalPdf = PDFGenerator.RESOURCES_PATH + "inclusion.pdf";
    try {
        PDDocument _pdfDocument = PDDocument.load(originalPdf);
        PDDocumentCatalog docCatalog = _pdfDocument.getDocumentCatalog();
        PDAcroForm acroForm = docCatalog.getAcroForm();
        formValues.remove("Queue");
        formValues.remove("Justificacin");

        //Set some fields manually.
        Calendar cal = Calendar.getInstance();
        int year = cal.get(Calendar.YEAR);
        int month = cal.get(Calendar.MONTH) + 1;
        if (month > 10 || month < 5)
            acroForm.getField("Semestre").setValue("I");
        else
            acroForm.getField("Semestre").setValue("II");
        if (month > 10 && acroForm.getField("Semestre").getValue().equals("I"))
            year++;
        acroForm.getField("Ao").setValue(String.valueOf(year));

        //Fills enrolled courses table.
        String enrolledCourses[] = formValues.get("Cursos matriculados").split("\n");
        for (int i = 0; i < enrolledCourses.length; i++) {
            String courseRow[] = enrolledCourses[i].split("-");
            acroForm.getField("Cdigo" + Integer.toString(i)).setValue(courseRow[0]);
            acroForm.getField("Curso" + Integer.toString(i)).setValue(courseRow[1]);
            acroForm.getField("Grupo" + Integer.toString(i)).setValue(courseRow[2]);
        }
        formValues.remove("Cursos matriculados");

        //Iterates through remaining custom fields.
        for (Map.Entry<String, String> entry : formValues.entrySet()) {
            acroForm.getField(entry.getKey()).setValue(entry.getValue());
        }

        return encodePDF(_pdfDocument);
    } catch (IOException e) {
        e.printStackTrace();
        System.out.println("Excepcin al llenar el PDF.");
        return null;
    }
}

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From source file:com.edmunds.etm.runtime.impl.ApplicationRepository.java

public synchronized void removeApplication(Application app) {
    if (app == null) {
        return;//from  www  .j  av a  2s .  c o m
    }

    final String applicationName = app.getName();

    ApplicationSeries previousSeries = seriesByName.get(applicationName);

    if (previousSeries == null) {
        return;
    }

    ApplicationSeries series = previousSeries.remove(app);

    // if no change was made to the series return
    if (previousSeries == series) {
        return;
    }

    final HashMap<String, ApplicationSeries> temp = Maps.newHashMap(seriesByName);

    // series will be null if we just removed the last version from the series.
    if (series == null) {
        temp.remove(applicationName);
    } else {
        // The series has more than one entry in it and we need to add the replacement (smaller) series.
        temp.put(applicationName, series);
    }
    setSeriesByName(temp);
}

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