Example usage for java.io ObjectOutputStream close

List of usage examples for java.io ObjectOutputStream close

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Introduction

In this page you can find the example usage for java.io ObjectOutputStream close.

Prototype

public void close() throws IOException

Source Link

Document

Closes the stream.

Usage

From source file:com.openteach.diamond.network.waverider.master.MasterState.java

public ByteBuffer toByteBuffer() {
    ByteArrayOutputStream bout = null;
    ObjectOutputStream oout = null;
    try {//from  www . ja  va2 s  .  c  o m
        bout = new ByteArrayOutputStream();
        oout = new ObjectOutputStream(bout);
        oout.writeObject(this);
        oout.flush();
        return ByteBuffer.wrap(bout.toByteArray());
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            if (oout != null) {
                oout.close();
            }
            if (bout != null) {
                bout.close();
            }
        } catch (IOException e) {
            logger.error(e);
        }
    }
}

From source file:models.TopicModel.java

public void saveObjectGraph() throws Exception {
    Ebean.beginTransaction();//from   w w  w . j a va  2s.co  m
    Configuration config = Play.application().configuration();
    try {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        oos.writeObject(malletTopicModel);
        oos.close();
        model = baos.toByteArray();

        baos = new ByteArrayOutputStream();
        oos = new ObjectOutputStream(baos);
        oos.writeObject(malletTopicModel.getInferencer());
        oos.close();
        inferencer = baos.toByteArray();

        ArrayList<Topic> topicList = new ArrayList<Topic>();

        // create topics
        Object[][] topicWords = malletTopicModel.getTopWords(config.getInt("smarts.topicModel.numTopWords"));
        for (int topicNum = 0; topicNum < this.numTopics; topicNum++) {
            StringBuilder wordList = new StringBuilder();
            Object[] words = topicWords[topicNum];

            for (Object w : words) {
                wordList.append(w);
                wordList.append(" ");
            }
            if (wordList.length() > 0) {
                // remove trailing space
                wordList.deleteCharAt(wordList.length() - 1);
            }
            Topic topic = new Topic(topicNum, wordList.toString());
            topics.add(topic);

            topicList.add(topic);
        }

        // create documents
        PancakeTopicInferencer inferencer = malletTopicModel.getInferencer();
        InstanceList docVectors = getDocumentVectors();

        // Only record the n most significant topics
        List<List> orderedDistributions = inferencer.inferSortedDistributions(docVectors,
                config.getInt("smarts.inference.numIterations"), config.getInt("smarts.inference.thinning"),
                config.getInt("smarts.inference.burnInPeriod"),
                Double.parseDouble(config.getString("smarts.inference.threshold")),
                config.getInt("smarts.inference.numSignificantFeatures"));

        for (int docIndex = 0; docIndex < orderedDistributions.size(); docIndex++) {
            List docData = orderedDistributions.get(docIndex);
            String docName = (String) docData.get(0);

            double[] docTopWeights = generateTopTopicWeightVector(docIndex, orderedDistributions);
            Document doc = new Document(docName, docTopWeights);

            documents.add(doc);
            getDocuments().add(doc);
        }

        Ebean.save(this);
        Ebean.save(topics);

        // loop to save so the save hook is called
        for (Document doc : documents) {
            doc.save();
        }

        Ebean.commitTransaction();

    } finally {
        Ebean.endTransaction();
    }
}

From source file:de.julielab.jcore.ae.lingpipegazetteer.chunking.ChunkerProviderImpl.java

private void serializeDictionary(File serializedDictionaryFile) throws FileNotFoundException, IOException {
    LOGGER.info("Storing dictionary to: {}", serializedDictionaryFile.getAbsolutePath());
    LOGGER.info(/*ww w. ja  va 2s  . c o  m*/
            "Warning: Loading a serialized dictionary seems to take longer than just reading the original text entries");
    ObjectOutputStream oos = new ObjectOutputStream(
            new GZIPOutputStream(new FileOutputStream(serializedDictionaryFile)));
    dict.compileTo(oos);
    oos.close();
    LOGGER.info("{} bytes written.", serializedDictionaryFile.length());
}

From source file:com.sec.ose.osi.thread.job.identify.data.IdentifyQueue.java

private boolean updateIdentifyQueuFile() {

    log.debug("updateIdentifyQueFile-start - num of item:" + size());

    FileOutputStream fos = null;/*w w  w  . j  av  a 2  s  .co m*/
    try {
        File file = new File(identifyQueueFilePath);
        fos = new FileOutputStream(file);
        if (identifyDataQueue.size() > 0) {
            ObjectOutputStream oosWriter = new ObjectOutputStream(fos);
            for (IdentifyData tmpIdentifiedData : identifyDataQueue) {
                oosWriter.writeObject(tmpIdentifiedData);
            }
            oosWriter.flush();
            oosWriter.close();
        }

    } catch (IOException e) {
        log.warn(e);
    } finally {
        if (fos != null) {
            try {
                fos.close();
            } catch (Exception e) {
                log.debug(e);
            }
        }
        log.debug("updateIdentifyQueFile-end");

    }
    return true;
}

From source file:it.geosolutions.geobatch.actions.ds2ds.geoserver.DSGeoServerAction.java

/**
 * Deserializes datastore params. This method is used prior to the datastore
 * configuration using the geoserver-manager library
 * /*from w w  w  .j a va  2s . co  m*/
 * @param datastore
 * @return
 * @throws IOException
 * @throws ClassNotFoundException
 */
private Map<String, Object> deserialize(Map<String, Serializable> datastore)
        throws IOException, ClassNotFoundException {

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    ObjectOutputStream objOut = new ObjectOutputStream(out);
    objOut.writeObject(datastore);
    objOut.close();
    ObjectInputStream objIn = new ObjectInputStream(new ByteArrayInputStream(out.toByteArray()));
    Map<String, Object> connect = (Map<String, Object>) objIn.readObject();
    return connect;
}

From source file:MSUmpire.LCMSPeakStructure.LCMSPeakBase.java

private void JavaSerializationPeakClusterWrite() {
    try {/*from   w w w .  j  a  v  a  2  s .com*/
        Logger.getRootLogger().info("Writing PeakCluster serialization to file:"
                + FilenameUtils.getBaseName(ScanCollectionName) + "_PeakCluster.ser...");
        FileOutputStream fout = new FileOutputStream(
                FilenameUtils.getFullPath(ParentmzXMLName) + FilenameUtils.getBaseName(ParentmzXMLName)
                        + "_Peak/" + FilenameUtils.getBaseName(ScanCollectionName) + "_PeakCluster.ser",
                false);
        ObjectOutputStream oos = new ObjectOutputStream(fout);
        oos.writeObject(PeakClusters);
        oos.close();
        fout.close();
    } catch (Exception ex) {
        Logger.getRootLogger().error(ExceptionUtils.getStackTrace(ex));
    }
}

From source file:com.adito.boot.AbstractPropertyClass.java

public void store() throws IOException {
    if (store != null) {
        throw new IllegalStateException("Already storing property class. Either restor or reset first.");
    }//from www.  ja  v a 2  s.c  o m
    store = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(store);
    try {
        oos.writeObject(definitions);
        oos.writeObject(categories);
        oos.writeObject(categoryMap);
    } finally {
        oos.close();
    }
}

From source file:com.floreantpos.model.MenuItem.java

public MenuItem clone(MenuItem source) throws Exception {
    MenuItem menuItem = null;/*from  w  w w. j  av a2  s  . c o  m*/
    try {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        ObjectOutputStream out = new ObjectOutputStream(bos);
        out.writeObject(source);
        out.flush();
        out.close();

        ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bos.toByteArray()));
        menuItem = (MenuItem) in.readObject();
        in.close();
    } catch (Exception ex) {
        throw ex;
    }
    return menuItem;
}

From source file:edu.stanford.muse.datacache.BlobStore.java

public synchronized void pack() throws IOException {
    // write to a tmp file first, then rename -- we don't want to trash the if there is a disk full or disk error or something....
    String f = this.dir + File.separatorChar + META_DATA_FILENAME;
    String tmp = f + ".tmp";
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream(tmp));
    pack_to_stream(oos);//from  w w  w .  ja  v  a  2 s.  c  o m
    oos.close();

    File F = new File(f);
    if (F.exists()) {
        boolean b = F.delete();
        if (!b)
            log.warn("Failed to delete blobs metadata file");
    }

    boolean success = new File(tmp).renameTo(new File(f));
    if (!success)
        log.warn("Metadata rename failed... packing may be incomplete!");

    log.info("packed datastore: " + this);
}

From source file:com.chinamobile.bcbsp.fault.tools.GetRecord.java

/**
 * syschronize DirRecord to the disk file.
 * @param dr/*from w  ww  .  j a  v a2s .  c o  m*/
 *        DirRecord
 * @param localDirPath
 *        local file Path on disk
 * @param hdfsNameNodeHostName
 *        hdfs namenode hostname
 */
private void syschronizeDirRecordWithDisk(DirRecord dr, String localDirPath, String hdfsNameNodeHostName) {
    ObjectOutputStream oos = null;
    File recordfile = new File(localDirPath);
    try {
        if (!recordfile.getParentFile().exists()) {
            recordfile.getParentFile().mkdirs();
        }
        oos = new ObjectOutputStream(new FileOutputStream(localDirPath));
        oos.writeObject(dr); // write the dr into recordPath;
        oos.close();
    } catch (FileNotFoundException e) {
        //LOG.error("[syschronizeDirRecordWithDisk]", e);
        throw new RuntimeException("[syschronizeDirRecordWithDisk]", e);
    } catch (IOException e) {
        //LOG.error("[syschronizeDirRecordWithDisk]", e);
        throw new RuntimeException("[syschronizeDirRecordWithDisk]", e);
    }
    HdfsOperater.uploadHdfs(recordfile.getAbsolutePath(), hdfsNameNodeHostName + recordfile.getAbsolutePath());
}