Example usage for java.io Closeable close

Introduction

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

Prototype

public void close() throws IOException;

Source Link

Document

Closes this stream and releases any system resources associated with it.

Usage

From source file:br.edu.ufcg.lsd.oursim.ui.CLI.java

/**
 * Exemplo:/*from   www  . j a v a  2s.co m*/
 * 
 * <pre>
 *   java -jar oursim.jar -w resources/trace_filtrado_primeiros_1000_jobs.txt -m resources/hostinfo_sdsc.dat -synthetic_av -o oursim_trace.txt
 *   -w resources/trace_filtrado_primeiros_1000_jobs.txt -s persistent -nr 20 -md resources/hostinfo_sdsc.dat -av resources/disponibilidade.txt -o oursim_trace.txt
 *   -w resources/new_iosup_workload.txt -s persistent -pd resources/iosup_site_description.txt -wt iosup -nr 1 -synthetic_av -o oursim_trace.txt
 *   -w resources/new_workload.txt -s persistent -pd resources/marcus_site_description.txt -wt marcus -nr 20 -d -o oursim_trace.txt
 *   1 ms + 1 dia = 2678400 segundos
 * </pre>
 * 
 * @param args
 * @throws FileNotFoundException
 */
public static void main(String[] args) throws IOException {

    StopWatch stopWatch = new StopWatch();
    stopWatch.start();
    List<Closeable> closeables = new ArrayList<Closeable>();

    CommandLine cmd = parseCommandLine(args, prepareOptions(), HELP, USAGE, EXECUTION_LINE);

    File outputFile = (File) cmd.getOptionObject(OUTPUT);
    PrintOutput printOutput = new PrintOutput(outputFile, false);
    JobEventDispatcher.getInstance().addListener(printOutput);
    closeables.add(printOutput);
    if (cmd.hasOption(EXTRACT_REMOTE_WORKLOAD)) {
        File remoteWorkloadFile = (File) cmd.getOptionObject(EXTRACT_REMOTE_WORKLOAD);
        Output remoteWorkloadExtractor = new RemoteTasksExtractorOutput(remoteWorkloadFile);
        closeables.add(remoteWorkloadExtractor);
        JobEventDispatcher.getInstance().addListener(remoteWorkloadExtractor);
    }
    Grid grid = prepareGrid(cmd);

    ComputingElementEventCounter computingElementEventCounter = prepareOutputAccounting(cmd,
            cmd.hasOption(VERBOSE));

    Input<? extends AvailabilityRecord> availability = defineAvailability(cmd, grid.getMapOfPeers());

    prepareOptionalOutputFiles(cmd, grid, (SyntheticAvailabilityCharacterizationAbstract) availability,
            closeables);

    long timeOfFirstSubmission = cmd.getOptionValue(WORKLOAD_TYPE).equals("gwa")
            ? GWAFormat.extractSubmissionTimeFromFirstJob(cmd.getOptionValue(WORKLOAD))
            : 0;
    Workload workload = defineWorkloadType(cmd, cmd.getOptionValue(WORKLOAD), grid.getMapOfPeers(),
            timeOfFirstSubmission);

    JobSchedulerPolicy jobScheduler = defineScheduler(cmd, grid.getListOfPeers());

    OurSim oursim = new OurSim(EventQueue.getInstance(), grid, jobScheduler, workload, availability);

    oursim.setActiveEntity(new ActiveEntityImp());

    if (cmd.hasOption(HALT_SIMULATION)) {
        oursim.addHaltEvent(((Number) cmd.getOptionObject(HALT_SIMULATION)).longValue());
    }

    oursim.start();

    for (Closeable c : closeables) {
        c.close();
    }

    EventQueue.getInstance().clear();

    // adiciona mtricas-resumo ao fim do arquivo
    FileWriter fw = new FileWriter(cmd.getOptionValue(OUTPUT), true);
    closeables.add(fw);
    stopWatch.stop();
    fw.write("# Simulation                  duration:" + stopWatch + ".\n");

    double utilization = grid.getUtilization();
    double realUtilization = grid.getTrueUtilization();

    int numberOfResourcesByPeer = Integer.parseInt(cmd.getOptionValue(NUM_RESOURCES_BY_PEER, "0"));
    fw.write(formatSummaryStatistics(computingElementEventCounter, "NA", "NA", false, grid.getPeers().size(),
            numberOfResourcesByPeer, utilization, realUtilization, stopWatch.getTime()) + "\n");
    fw.close();

    System.out.println(
            getSummaryStatistics(computingElementEventCounter, "NA", "NA", false, grid.getPeers().size(),
                    numberOfResourcesByPeer, utilization, realUtilization, stopWatch.getTime()));

}

---

From source file:de.hpi.fgis.hdrs.tools.Loader.java

public static void main(String[] args) throws IOException {

    if (2 > args.length) {
        System.out.println(usage);
        System.out.println(options);
        System.exit(1);/*w w w  .  j  av a 2s  .co  m*/
    }

    if (0 > args[0].indexOf(':')) {
        args[0] += ":" + Configuration.DEFAULT_RPC_PORT;
    }
    Configuration conf = Configuration.create();
    Client client = new Client(conf, args[0]);

    File[] files;
    String options = "";
    if (args[1].startsWith("-")) {
        options = args[1];
        if (3 > args.length) {
            System.out.println(usage);
            System.exit(1);
        }
        if (0 < options.indexOf('d')) {
            File dir = new File(args[2]);
            if (!dir.isDirectory()) {
                throw new IOException("Directory does not exist.");
            }
            files = dir.listFiles();
        } else {
            files = new File[] { new File(args[2]) };
        }
    } else {
        files = new File[] { new File(args[1]) };
    }

    boolean quiet = 0 < options.indexOf('q');
    boolean context = 0 < options.indexOf('c');

    boolean bench = 0 < options.indexOf('b');
    List<BenchSample> benchSamples = null;
    if (bench) {
        benchSamples = new ArrayList<BenchSample>();
    }

    long timeStalled = 0;
    long timeRouterUpdate = 0;
    long abortedTransactions = 0;

    long nBytesTotal = 0;
    long nTriplesTotal = 0;
    long timeTotal = 0;

    for (int i = 0; i < files.length; ++i) {
        Closeable source = null;
        TripleScanner scanner = null;

        try {
            if (0 < options.indexOf('t')) {
                TripleFileReader reader = new TripleFileReader(files[i]);
                reader.open();
                scanner = reader.getScanner();
                source = reader;
            } else if (0 < options.indexOf('z')) {
                GZIPInputStream stream = new GZIPInputStream(new FileInputStream(files[i]));
                BTCParser parser = new BTCParser();
                parser.setSkipContext(!context);
                scanner = new StreamScanner(stream, parser);
                source = stream;
            } else {
                BTCParser parser = new BTCParser();
                parser.setSkipContext(!context);
                FileSource file = new FileSource(files[i], parser);
                scanner = file.getScanner();
                source = file;
            }
        } catch (IOException ioe) {
            System.out.println("Error: Couldn't open " + files[i] + ". See log for details.");
            LOG.error("Error: Couldn't open " + files[i] + ":", ioe);
            continue;
        }

        long nBytes = 0;
        long nTriples = 0;
        long time = System.currentTimeMillis();

        TripleOutputStream out = client.getOutputStream();

        while (scanner.next()) {
            Triple t = scanner.pop();
            out.add(t);
            nBytes += t.serializedSize();
            nTriples++;

            if (!quiet && 0 == (nTriples % (16 * 1024))) {
                System.out.print(String.format("\rloading... %d triples (%.2f MB, %.2f MB/s)", nTriples,
                        LogFormatUtil.MB(nBytes),
                        LogFormatUtil.MBperSec(nBytes, System.currentTimeMillis() - time)));
            }
        }
        out.close();

        time = System.currentTimeMillis() - time;

        scanner.close();
        source.close();

        if (!quiet) {
            System.out.print("\r");
        }
        System.out.println(String.format("%s: %d triples (%.2f MB) loaded " + "in %.2f seconds (%.2f MB/s)",
                files[i], nTriples, LogFormatUtil.MB(nBytes), time / 1000.0,
                LogFormatUtil.MBperSec(nBytes, time)));

        nBytesTotal += nBytes;
        nTriplesTotal += nTriples;
        timeTotal += time;

        timeStalled += out.getTimeStalled();
        timeRouterUpdate += out.getTimeRouterUpdate();
        abortedTransactions += out.getAbortedTransactions();

        if (bench) {
            benchSamples.add(new BenchSample(time, nTriples, nBytes));
        }
    }

    client.close();

    if (0 == nTriplesTotal) {
        System.out.println("No triples loaded.");
        return;
    }

    System.out.println(
            String.format("Done loading.  Totals: %d triples (%.2f MB) loaded " + "in %.2f seconds (%.2f MB/s)",
                    nTriplesTotal, LogFormatUtil.MB(nBytesTotal), timeTotal / 1000.0,
                    LogFormatUtil.MBperSec(nBytesTotal, timeTotal)));

    System.out.println(String.format(
            "  Client stats.  Stalled: %.2f s  RouterUpdate: %.2f s" + "  AbortedTransactions: %d",
            timeStalled / 1000.0, timeRouterUpdate / 1000.0, abortedTransactions));

    if (bench) {
        System.out.println();
        System.out.println("Benchmark Samples:");
        System.out.println("time\tsum T\tsum MB\tMB/s");
        System.out.println(String.format("%.2f\t%d\t%.2f\t%.2f", 0f, 0, 0f, 0f));
        long time = 0, nTriples = 0, nBytes = 0;
        for (BenchSample sample : benchSamples) {
            time += sample.time;
            nTriples += sample.nTriples;
            nBytes += sample.nBytes;
            System.out.println(String.format("%.2f\t%d\t%.2f\t%.2f", time / 1000.0, nTriples,
                    LogFormatUtil.MB(nBytes), LogFormatUtil.MBperSec(sample.nBytes, sample.time)));
        }
    }
}

---

From source file:Main.java

public static void close(Closeable close) {
    try {/*from w  w  w.j a va 2s  .c om*/
        close.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

private static void closeQuietly(Closeable closeable) {
    try {/* w  w  w .j av  a2  s  . c  om*/
        closeable.close();
    } catch (Exception e) {
    }
}

---

From source file:Main.java

public static void closeSilently(Closeable closeable) {
    try {//w w  w  .j av a 2  s. c om
        closeable.close();
    } catch (Exception e) {
        // Do nothing
    }
}

---

From source file:Main.java

public static final void close(Closeable closeable) {
    try {//  www.  j  av a2 s. c om
        closeable.close();
        closeable = null;
    } catch (IOException e) {
        e.printStackTrace();
    }
}

---

From source file:Main.java

public static void close(Closeable... params) {
    if (null != params) {
        try {/*  w  ww. java  2s.c  o m*/
            for (Closeable closeable : params) {
                closeable.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

---

From source file:Main.java

public static void close(Closeable... closeables) {

    if (closeables == null)
        return;//from  w ww  . j a  va 2 s.c om

    try {
        for (Closeable mCloseable : closeables)
            mCloseable.close();

    } catch (Exception e) {

    }

}

---

From source file:Main.java

public static void closeResources(Closeable... resources) {
    for (Closeable resource : resources) {
        try {// www.j  a v  a  2  s. com
            resource.close();
        } catch (IOException e) {
            // Ignore
        }
    }
}

---

From source file:Main.java

/**
 * Closes a resource.//from   w w w.j  a  va2 s. c o m
 * 
 * @param c The {@link Closeable} resource.
 */
public static void close(Closeable c) {
    try {
        c.close();
    } catch (Exception e) {
    }
}

---

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