Example usage for java.lang System gc

Introduction

In this page you can find the example usage for java.lang System gc.

Prototype

public static void gc()

Source Link

Document

Runs the garbage collector in the Java Virtual Machine.

Usage

From source file:edu.iu.daal_cov.COVDaalCollectiveMapper.java

protected void mapCollective(KeyValReader reader, Context context) throws IOException, InterruptedException {
    long startTime = System.currentTimeMillis();
    List<String> trainingDataFiles = new LinkedList<String>();

    //splitting files between mapper

    while (reader.nextKeyValue()) {
        String key = reader.getCurrentKey();
        String value = reader.getCurrentValue();
        LOG.info("Key: " + key + ", Value: " + value);
        System.out.println("file name : " + value);
        trainingDataFiles.add(value);/*from w w w.  j  a v  a2 s .  c om*/
    }

    Configuration conf = context.getConfiguration();

    Path pointFilePath = new Path(trainingDataFiles.get(0));
    System.out.println("path = " + pointFilePath.getName());
    FileSystem fs = pointFilePath.getFileSystem(conf);
    FSDataInputStream in = fs.open(pointFilePath);

    runCOV(trainingDataFiles, conf, context);
    LOG.info("Total iterations in master view: " + (System.currentTimeMillis() - startTime));
    this.freeMemory();
    this.freeConn();
    System.gc();
}

From source file:edu.iu.daal_mom.MOMDaalCollectiveMapper.java

protected void mapCollective(KeyValReader reader, Context context) throws IOException, InterruptedException {
    long startTime = System.currentTimeMillis();
    List<String> trainingDataFiles = new LinkedList<String>();

    //splitting files between mapper

    while (reader.nextKeyValue()) {
        String key = reader.getCurrentKey();
        String value = reader.getCurrentValue();
        LOG.info("Key: " + key + ", Value: " + value);
        System.out.println("file name : " + value);
        trainingDataFiles.add(value);/*from ww w  .j  a va 2 s.  c o  m*/
    }

    Configuration conf = context.getConfiguration();

    Path pointFilePath = new Path(trainingDataFiles.get(0));
    System.out.println("path = " + pointFilePath.getName());
    FileSystem fs = pointFilePath.getFileSystem(conf);
    FSDataInputStream in = fs.open(pointFilePath);

    runMOM(trainingDataFiles, conf, context);
    LOG.info("Total iterations in master view: " + (System.currentTimeMillis() - startTime));
    this.freeMemory();
    this.freeConn();
    System.gc();
}

From source file:com.github.joulupunikki.math.random.XorShift1024Star.java

public static double[] speedTest(RandomGenerator rng) {
    final int WARM_UP = 10000;
    final int S = 40;
    final int N = 1000000;
    double[] times = new double[S];
    for (int j = 0; j < S; j++) {

        System.gc();
        for (int i = 0; i < WARM_UP; i++) {
            rng.nextDouble();//from   ww w . j  a  v  a 2  s  . co  m
        }
        long start = System.nanoTime();
        for (int i = 0; i < N; i++) {
            rng.nextDouble();
        }
        double time = System.nanoTime() - start;
        System.out.println("" + rng.getClass().getCanonicalName() + " " + time / 1000);
        times[j] = time;
    }
    Arrays.sort(times);
    return times;
}

From source file:com.thesmartweb.swebrank.APIconn.java

/**
 * Checks if a connection to a url (http or https) gets response code 200
 * @param link the link to connect to/*from w  w  w  .j  a  va 2  s .c  o  m*/
 * @return a string that contains "ok-conn" if we have response code 200, "fail-conn" if sth else
 */
public String check_conn(String link) {
    try {
        link = link.trim();
        String line = "fail-conn";
        if (link.startsWith("http")) {
            URL link_ur = new URL(link);
            line = "DNS-error";
            if (link.startsWith("http:")) {
                try {
                    httpCon = (HttpURLConnection) link_ur.openConnection();
                    httpCon.setDefaultUseCaches(false);
                    httpCon.setReadTimeout(20000);
                    httpCon.setDoInput(true);
                    httpCon.connect();
                    line = "fail-conn";

                    int responseCode = httpCon.getResponseCode();
                    if (responseCode == 200) {
                        line = "ok-conn";
                    }
                } catch (Exception e) {
                    System.out.println(link);
                    System.gc();
                    System.gc();
                    System.gc();
                    httpCon = null;
                    line = "fail-conn";
                    return line;
                }
            } else if (link.startsWith("https")) {
                try {
                    httpsCon = (HttpsURLConnection) link_ur.openConnection();
                    httpsCon.setDefaultUseCaches(false);
                    httpsCon.setReadTimeout(20000);
                    httpsCon.setDoInput(true);
                    httpsCon.connect();
                    //httpCon.connect();
                    line = "fail-conn";
                    int responseCode = httpsCon.getResponseCode();
                    if (responseCode == 200) {
                        line = "ok-conn";
                    }
                } catch (Exception e) {
                    System.out.println(link);
                    System.gc();
                    System.gc();
                    System.gc();
                    httpsCon = null;
                    line = "fail-conn";
                    return line;
                }
            }
        }
        return line;
    } catch (MalformedURLException ex) {
        Logger.getLogger(APIconn.class.getName()).log(Level.SEVERE, null, ex);
        return "fail-conn";
    } catch (IOException ex) {
        Logger.getLogger(APIconn.class.getName()).log(Level.SEVERE, null, ex);
        return "fail-conn";
    }

}

From source file:com.ccoe.build.core.utils.FileUtils.java

public static boolean tryHardToDelete(File f) {
    if (!f.delete()) {
        if (ON_WINDOWS) {
            System.gc();
        }//from   w  w  w .ja  v a 2  s  .c  o m
        try {
            Thread.sleep(DELETE_RETRY_SLEEP_MILLIS);
        } catch (InterruptedException ex) {
            // Ignore Exception
        }
        return f.delete();
    }
    return true;
}

From source file:de.sub.goobi.helper.FilesystemHelper.java

/**
 * This function implements file renaming. Renaming of files is full of
 * mischief under Windows which unaccountably holds locks on files.
 * Sometimes running the JVMs garbage collector puts things right.
 *
 * @param oldFileName/*  w w w . ja v a 2s . c  o  m*/
 *            File to move or rename
 * @param newFileName
 *            New file name / destination
 * @throws IOException
 *             is thrown if the rename fails permanently
 * @throws FileNotFoundException
 *             is thrown if old file (source file of renaming) does not
 *             exists
 */
public static void renameFile(String oldFileName, String newFileName) throws IOException {
    final int SLEEP_INTERVAL_MILLIS = 20;
    final int MAX_WAIT_MILLIS = 150000; // 2 minutes
    File oldFile;
    File newFile;
    boolean success;
    int millisWaited = 0;

    if ((oldFileName == null) || (newFileName == null)) {
        return;
    }

    oldFile = new File(oldFileName);
    newFile = new File(newFileName);

    if (!oldFile.exists()) {
        if (logger.isDebugEnabled()) {
            logger.debug("File " + oldFileName + " does not exist for renaming.");
        }
        throw new FileNotFoundException(oldFileName + " does not exist for renaming.");
    }

    if (newFile.exists()) {
        String message = "Renaming of " + oldFileName + " into " + newFileName + " failed: Destination exists.";
        logger.error(message);
        throw new IOException(message);
    }

    do {
        if (SystemUtils.IS_OS_WINDOWS && millisWaited == SLEEP_INTERVAL_MILLIS) {
            if (logger.isEnabledFor(Level.WARN)) {
                logger.warn("Renaming " + oldFileName
                        + " failed. This is Windows. Running the garbage collector may yield good results. Forcing immediate garbage collection now!");
            }
            System.gc();
        }
        success = oldFile.renameTo(newFile);
        if (!success) {
            if (millisWaited == 0 && logger.isInfoEnabled()) {
                logger.info("Renaming " + oldFileName + " failed. File may be locked. Retrying...");
            }
            try {
                Thread.sleep(SLEEP_INTERVAL_MILLIS);
            } catch (InterruptedException e) {
            }
            millisWaited += SLEEP_INTERVAL_MILLIS;
        }
    } while (!success && millisWaited < MAX_WAIT_MILLIS);

    if (!success) {
        logger.error("Rename " + oldFileName + " failed. This is a permanent error. Giving up.");
        throw new IOException("Renaming of " + oldFileName + " into " + newFileName + " failed.");
    }

    if (millisWaited > 0 && logger.isInfoEnabled()) {
        logger.info("Rename finally succeeded after" + Integer.toString(millisWaited) + " milliseconds.");
    }
}

From source file:com.thoughtworks.go.agent.bootstrapper.AgentBootstrapper.java

private void forceGCToPreventOOM() {
    System.gc();
}

From source file:org.benassi.bookeshop.data.access.test.CustomerDAOImplTest.java

@After
public void teardown() {
    toto = null;
    customerDAO = null;
    System.gc();
}

From source file:com.hygenics.parser.MainApp.java

/**
 * The entire programs main method.//from  w  ww .  j  a  v a2s .co m
 * 
 * @param args
 */
public static void main(String[] args) {
    final Logger log = LoggerFactory.getLogger(MainApp.class);
    log.info("Starting Parse @ " + Calendar.getInstance().getTime().toString());

    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
            ("file:" + System.getProperty("beansfile").trim()));
    log.info("Found beans @ " + System.getProperty("beansfile").trim());
    log.info("Starting");
    ArrayList<String> results = null;

    String activity = null;
    log.info("Obtaining Activities");
    ActivitiesStack stack = (ActivitiesStack) context.getBean("ActivitiesStack");

    // integers keeping track of bean number to pull (e.g. DumpToText0 or
    // DumpToText1)
    // in keeping with the spirit of dumping out data
    int n = 0, srn = 0, mv = 0, cen = 0, pps = 0, sb = 0, kv = 0, cf = 0, zip = 0, bm = 0, dump = 0, kettle = 0,
            execute = 0, transfer = 0, sqls = 0, job = 0, parsepages = 0, getpages = 0, map = 0, js = 0,
            sdump = 0, transforms = 0, execs = 0, gim = 0, ems = 0, jd = 0;

    Pattern p = Pattern.compile("[A-Za-z]+[0-9]+");
    Matcher m;

    // start stack init
    log.info("Stack Initialized with Size of " + stack.getSize() + " @ "
            + Calendar.getInstance().getTime().toString());

    while (stack.getSize() > 0) {
        // pop activity form stack
        activity = stack.Pop();
        log.info("Activities Remaining " + stack.getSize());
        m = p.matcher(activity);

        log.info("\n\nACTIVITY: " + activity + "\n\n");
        if (activity.toLowerCase().contains("manualrepconn")) {
            log.info("Manual Transformation Started @ " + Calendar.getInstance().getTime().toString());
            ManualReplacement mrp = (ManualReplacement) context.getBean("ManualRepConn");
            mrp.run();
            log.info("Manual Transformation Finished @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("cleanfolder")) {
            log.info("Folder Cleanup Started @ " + Calendar.getInstance().getTime().toString());

            CleanFolder c;
            if (cf == 0 || context.containsBean("CleanFolder")) {
                c = (CleanFolder) ((context.containsBean("CleanFolder")) ? context.getBean("CleanFolder")
                        : context.getBean("CleanFolder" + cf));
            } else {
                c = (CleanFolder) context.getBean("CleanFolder" + cf);
            }
            c.run();
            cf++;
            log.info("File Cleanup Complete @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("zip")) {

            log.info("Zip File Creation Started @ " + Calendar.getInstance().getTime().toString());

            Archiver a;
            if (zip == 0 || context.containsBean("Zip")) {
                a = (Archiver) ((context.containsBean("Zip")) ? context.getBean("Zip")
                        : context.getBean("Zip" + zip));
            } else {
                a = (Archiver) context.getBean("Zip" + zip);
            }
            a.run();
            zip++;
            log.info("Zip File Creation Complete @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("transfer")) {
            log.info("File Transfer Started @ " + Calendar.getInstance().getTime().toString());

            Upload u;
            if (transfer == 0 || context.containsBean("FileTransfer")) {
                u = (Upload) ((context.containsBean("FileTransfer")) ? context.getBean("FileTransfer")
                        : context.getBean("FileTransfer" + transfer));
            } else {
                u = (Upload) context.getBean("FileTransfer" + transfer);
            }
            u.run();
            transfer++;
            log.info("File Transfer Complete @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("droptables")) {
            // drop tables
            log.info("Dropping Tables @ " + Calendar.getInstance().getTime().toString());

            DropTables droptables = (DropTables) context.getBean("DropTables");
            droptables.run();

            droptables = null;
            log.info("Done Dropping Tables @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().equals("createtables")) {
            // create tables
            log.info("Creating Tables @ " + Calendar.getInstance().getTime().toString());

            CreateTable create = (CreateTable) context.getBean("CreateTables");
            create.run();
            create = null;

            log.info("Done Creating Tables @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("createtableswithreference")) {
            // create tables
            log.info("Creating Tables @ " + Calendar.getInstance().getTime().toString());

            CreateTablesWithReference create = (CreateTablesWithReference) context
                    .getBean("CreateTablesWithReference");
            create.run();
            create = null;

            log.info("Done Creating Tables @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("truncate")) {
            // truncate table
            log.info("Truncating @ " + Calendar.getInstance().getTime().toString());
            Truncate truncate = (Truncate) context.getBean("Truncate");
            truncate.truncate();
            truncate = null;
            log.info("Truncated @ " + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().equals("enforce")) {
            // enforce schema
            log.info("Enforcing Schema @" + Calendar.getInstance().getTime().toString());
            ForceConformity ef = (ForceConformity) context.getBean("EnforceStandards");
            ef.run();
            log.info("Done Enforcing Schema @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().contains("enforcewithreference")) {
            // enforce schema
            ForceConformityWithReference ef = (ForceConformityWithReference) context
                    .getBean("EnforceStandardsWithReference");
            log.info("Enforcing Schema By Reference @" + Calendar.getInstance().getTime().toString());
            ef.run();
            log.info("Done Enforcing Schema @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().trim().equals("repconn")) {
            log.info("Replacing Transformation Connection Information  @"
                    + Calendar.getInstance().getTime().toString());

            RepConn rep = (RepConn) context.getBean("repconn");
            rep.run();

            log.info("Finished Replacing Connection Information  @"
                    + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("job")) {
            // run a Pentaho job as opposed to a Pentaho Transformation
            log.info("Run Job kjb file @" + Calendar.getInstance().getTime().toString());

            RunJob kjb = null;

            if (m.find()) {
                kjb = (RunJob) context.getBean(activity);
            } else {
                kjb = (RunJob) context.getBean("Job" + job);
            }

            kjb.run();
            kjb = null;
            log.info("Pentaho Job Complete @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
        } else if (activity.toLowerCase().compareTo("execute") == 0) {
            // Execute a process
            log.info("Executing Process @" + Calendar.getInstance().getTime().toString());

            if (context.containsBean("Execute") && execs == 0) {
                ExecuteProcess proc = (ExecuteProcess) context.getBean(("Execute"));
                proc.Execute();
            } else {
                ExecuteProcess proc = (ExecuteProcess) context.getBean(("Execute" + execute));
                proc.Execute();
            }

            execs++;
            log.info("Pages Obtained @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().contains("parsepageswithscala")
                || activity.toLowerCase().contains("parsepagesscala")) {
            //parse pages with scala
            log.info("Parsing Pages with Scala @ " + Calendar.getInstance().getTime().toString());
            ScalaParseDispatcher pds = null;
            if (context.containsBean("ParsePagesScala" + pps)) {
                pds = (ScalaParseDispatcher) context.getBean("ParsePagesScala" + pps);
            } else if (context.containsBean("ParsePagesScala") && pps > 0) {
                pds = (ScalaParseDispatcher) context.getBean("ParsePagesScala");
            }
            pps++;
            pds.run();
            Runtime.getRuntime().gc();
            log.info("Finished Parsing Pages with Scala @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("parsepages")) {

            // Parse Pages with java
            log.info("Parsing Individual Pages  @" + Calendar.getInstance().getTime().toString());
            if (context.containsBean("ParsePages") && parsepages == 0) {
                ParseDispatcher pd = (ParseDispatcher) context.getBean("ParsePages");
                pd.run();
                pd = null;
            } else {
                ParseDispatcher pd = (ParseDispatcher) context.getBean("ParsePages" + parsepages);
                pd.run();
                pd = null;
            }

            parsepages++;
            log.info("Finished Parsing @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().contains("kvparser")) {
            // Parse Pages using the KV Parser
            log.info("Parsing Individual Pages with Key Value Pairs  @"
                    + Calendar.getInstance().getTime().toString());
            if (context.containsBean("KVParser") && parsepages == 0) {
                KVParser pd = (KVParser) context.getBean("KVParser");
                pd.run();
                pd = null;
            } else {
                KVParser pd = (KVParser) context.getBean("KVParser" + kv);
                pd.run();
                pd = null;
            }

            parsepages++;
            log.info("Finished Parsing @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().contains("parsewithsoup")) {

            // Parse Pages with Jsoup
            log.info("Parsing Pages with JSoup @ " + Calendar.getInstance().getTime().toString());

            if (context.containsBean("ParseJSoup") && js == 0) {
                ParseJSoup psj = (ParseJSoup) context.getBean("ParseJSoup");
                psj.run();
            } else {
                ParseJSoup psj = (ParseJSoup) context.getBean("ParseJSoup" + Integer.toString(js));
                psj.run();
            }
            js++;
            log.info("Finished Parsing @" + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            log.info("Finished Parsing with JSoup @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("breakmultiplescala")
                || activity.toLowerCase().contains("breakmultiplewithscala")) {
            log.info("Breaking Records");
            BreakMultipleScala bms = null;
            if (context.containsBean("BreakMultipleScala" + ems)) {
                bms = (BreakMultipleScala) context.getBean("BreakMultipleScala" + sb);
            } else {
                bms = (BreakMultipleScala) context.getBean("BreakMultipleScala");
            }
            bms.run();
            bms = null;
            sb++;
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
            log.info("Completed Breaking Tasks");
        } else if (activity.toLowerCase().contains("breakmultiple")) {

            // break apart multi-part records
            log.info("Breaking apart Records (BreakMultiple) @" + Calendar.getInstance().getTime().toString());

            if (context.containsBean("BreakMultiple") && bm == 0) {
                BreakMultiple br = (BreakMultiple) context.getBean(("BreakMultiple"));
                br.run();
                br = null;
            } else {
                BreakMultiple br = (BreakMultiple) context.getBean(("BreakMultiple" + Integer.toString(bm)));
                br.run();
                br = null;
            }
            bm++;

            log.info("Finished Breaking Apart Records @" + Calendar.getInstance().getTime().toString());
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().compareTo("mapper") == 0) {
            // remap data
            log.info("Mapping Records @" + Calendar.getInstance().getTime().toString());

            if (context.containsBean("Mapper") && map == 0) {
                Mapper mp = (Mapper) context.getBean("Mapper");
                mp.run();
                mp = null;
            } else {
                Mapper mp = (Mapper) context.getBean("Mapper" + Integer.toString(map));
                mp.run();
                mp = null;
            }
            map++;
            log.info("Completed Mapping Records @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("getimages")) {
            // Get Images in a Separate Step
            log.info("Beggining Image Pull @ " + Calendar.getInstance().getTime().toString());

            if (context.containsBean("getImages") && gim == 0) {
                GetImages gi = (GetImages) context.getBean("getImages");
                gi.run();
                log.info("Image Pull Complete @ " + Calendar.getInstance().getTime().toString());
                gi = null;
            } else {
                GetImages gi = (GetImages) context.getBean("getImages");
                gi.run();
                log.info("Image Pull Complete @ " + Calendar.getInstance().getTime().toString());
                gi = null;
            }
            gim++;
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());

        } else if (activity.toLowerCase().compareTo("sql") == 0) {
            // execute a sql command
            log.info("Executing SQL Query @ " + Calendar.getInstance().getTime().toString());

            if (context.containsBean("SQL") && sqls == 0) {
                ExecuteSQL sql;

                if (m.find()) {
                    sql = (ExecuteSQL) context.getBean(activity);
                } else {
                    sql = (ExecuteSQL) context.getBean("SQL");
                }

                sql.execute();
                sql = null;
            } else {

                ExecuteSQL sql;

                if (m.find()) {
                    sql = (ExecuteSQL) context.getBean(activity);
                } else {
                    sql = (ExecuteSQL) context.getBean("SQL" + sqls);
                }

                sql.execute();
                sql = null;
            }

            sqls++;

            log.info("Finished SQL Query @ " + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().compareTo("kettle") == 0) {
            // run one or more kettle transformation(s)
            log.info("Beginning Kettle Transformation @ " + Calendar.getInstance().getTime().toString());
            RunTransformation rt = null;

            if (context.containsBean("kettle") && transforms == 0) {
                if (m.find()) {
                    rt = (RunTransformation) context.getBean(activity);
                } else {
                    rt = (RunTransformation) context.getBean(("kettle"));
                }

                rt.run();
                rt = null;
            } else {
                if (m.find()) {
                    rt = (RunTransformation) context.getBean(activity);
                } else {
                    rt = (RunTransformation) context.getBean(("kettle" + kettle));
                }

                rt.run();
                rt = null;
            }
            transforms++;
            log.info("Ending Kettle Transformation @ " + Calendar.getInstance().getTime().toString());
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
            kettle++;
        } else if (activity.toLowerCase().contains("dumptotext")) {
            // dump to a text file via java
            log.info("Dumping to Text @ " + Calendar.getInstance().getTime().toString());

            DumptoText dtt = null;
            if (m.find()) {
                dtt = (DumptoText) context.getBean(activity);
            } else {
                dtt = (DumptoText) context.getBean("DumpToText" + dump);
            }

            dtt.run();
            dump++;
            log.info("Completed Dump @ " + Calendar.getInstance().getTime().toString());
            dtt = null;
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().equals("jdump")) {
            log.info("Dumping via JDump @ " + Calendar.getInstance().getTime().toString());
            if (jd == 0 && context.containsBean("JDump")) {
                JDump j = (JDump) context.getBean("JDump");
                jd++;
                j.run();
            } else {
                JDump j = (JDump) context.getBean("JDump" + jd);
                jd++;
                j.run();
            }
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Finished Dumping via JDump @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("jdumpwithreference")) {
            log.info("Dumping via JDump @ " + Calendar.getInstance().getTime().toString());
            if (jd == 0 && context.containsBean("JDumpWithReference")) {
                JDumpWithReference j = (JDumpWithReference) context.getBean("JDumpWithReference");
                jd++;
                j.run();
            } else {
                JDumpWithReference j = (JDumpWithReference) context.getBean("JDumpWithReference" + jd);
                jd++;
                j.run();
            }
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Finished Dumping via JDump @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().compareTo("commanddump") == 0) {

            // dump to text using a client side sql COPY TO command
            log.info("Dumping via SQL @ " + Calendar.getInstance().getTime().toString());
            CommandDump d = (CommandDump) context.getBean("dump");
            d.run();
            d = null;
            log.info("Completed Dump @ " + Calendar.getInstance().getTime().toString());
            // most likely not needed by satisfies my paranoia
            Runtime.getRuntime().gc();
            System.gc();
        } else if (activity.toLowerCase().equals("specdump")) {
            // Specified Dump
            log.info("Dumping via Specified Tables, Files, and Attributes @ "
                    + Calendar.getInstance().getTime().toString());

            if (context.containsBean("SpecDump") && sdump == 0) {
                sdump++;
                SpecifiedDump sd = (SpecifiedDump) context.getBean("SpecDump");
                sd.run();
                sd = null;
            } else if (context.containsBean("SpecDump" + Integer.toString(sdump))) {
                SpecifiedDump sd = (SpecifiedDump) context.getBean("SpecDump" + Integer.toString(sdump));
                sd.run();
                sd = null;
            }
            sdump++;
            log.info("Completed Dumping via Specified Tables, Files, and Attributes @ "
                    + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("specdumpwithreference")) {
            // Specified Dump
            log.info("Dumping via Specified Tables, Files, and Attributes by Reference @ "
                    + Calendar.getInstance().getTime().toString());

            if (context.containsBean("SpecDumpWithReference") && sdump == 0) {
                sdump++;
                SpecDumpWithReference sd = (SpecDumpWithReference) context.getBean("SpecDumpWithReference");
                sd.run();
                sd = null;
            } else if (context.containsBean("SpecDumpWithReference" + Integer.toString(sdump))) {
                SpecDumpWithReference sd = (SpecDumpWithReference) context
                        .getBean("SpecDumpWithReference" + Integer.toString(sdump));
                sd.run();
                sd = null;
            } else {
                log.info("Bean Not Found For " + activity);
            }
            sdump++;
            log.info("Completed Dumping via Specified Tables, Files, and Attributes @ "
                    + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().compareTo("email") == 0) {
            // email completion notice
            log.info("Sending Notice of Completion @ " + Calendar.getInstance().getTime().toString());

            if (context.containsBean("Email") && ems == 0) {
                Send s = (Send) context.getBean("Email");
                s.run();
                s = null;
            } else {
                Send s = (Send) context.getBean("Email" + Integer.toString(ems));
                s.run();
                s = null;
            }
            ems++;
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Completed Email @ " + Calendar.getInstance().getTime().toString());
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().equals("qa")) {
            // perform qa
            log.info("Performing Quality Assurance @ " + Calendar.getInstance().getTime().toString());

            if (context.containsBean("QA")) {
                QualityAssurer qa = (QualityAssurer) context.getBean("QA");
                qa.run();
                qa = null;
            }

            // attempt to hint --> all tasks are really intense so anything
            // is nice
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Completed QA @ " + Calendar.getInstance().getTime().toString());
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
        } else if (activity.toLowerCase().equals("notify")) {
            log.info("Running Notification Tasks");
            Notification nt = null;
            if (context.containsBean("Notify" + Integer.toString(n))) {
                nt = (Notification) context.getBean("Notify" + Integer.toString(n));
            } else {
                nt = (Notification) context.getBean("Notify");
            }

            nt.run();
            nt = null;
            n++;

            if (context.containsBean("Email") && ems == 0) {
                Send s = (Send) context.getBean("Email");
                s.run();
                s = null;
            } else if (context.containsBean("Email" + ems)) {
                Send s = (Send) context.getBean("Email" + Integer.toString(ems));
                s.run();
                s = null;
            }

            ems++;
            Runtime.getRuntime().gc();
            System.gc();
            log.info("Free Memory: " + Runtime.getRuntime().freeMemory());
            log.info("Completed Notification Tasks");
        } else if (activity.toLowerCase().contains("move")) {
            log.info("Moving Files @ " + Calendar.getInstance().getTime().toString());

            MoveFile mf = null;
            if (context.containsBean("Move" + Integer.toString(mv))) {
                mf = (MoveFile) context.getBean("Move" + Integer.toString(mv));
            } else {
                mf = (MoveFile) context.getBean("Move");
            }
            mf.run();
            mv++;
            Runtime.getRuntime().gc();
            log.info("Finished Moving Files @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("numericalcheck")) {
            log.info("Checking Counts");

            NumericalChecker nc = (NumericalChecker) context.getBean("NumericalChecker");
            nc.run();
            Runtime.getRuntime().gc();

            log.info("Finished Checking Counts @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("runscript")) {
            log.info("Running Script @ " + Calendar.getInstance().getTime().toString());
            RunScript runner = null;
            if (context.containsBean("RunScript" + srn)) {
                runner = (RunScript) context.getBean("RunScript" + srn);
            } else {
                runner = (RunScript) context.getBean("RunScript");
            }
            runner.run();
            srn++;
            Runtime.getRuntime().gc();
            log.info("Finished Running SCript @ " + Calendar.getInstance().getTime().toString());
        } else if (activity.toLowerCase().contains("checkexistance")) {
            log.info("Checking Existance @ " + Calendar.getInstance().getTime().toString());
            ExistanceChecker runner = null;
            if (context.containsBean("CheckExistance" + srn)) {
                runner = (ExistanceChecker) context.getBean("CheckExistance" + cen);
            } else {
                runner = (ExistanceChecker) context.getBean("CheckExistance");
            }
            runner.run();
            cen++;
            Runtime.getRuntime().gc();
            log.info("Finished Checking Existance @ " + Calendar.getInstance().getTime().toString());
        } else {
            log.info("Activity " + activity + " does not exist!");
        }

    }

    log.info("Completed Parse @ " + Calendar.getInstance().getTime().toString());
    context.destroy();
    context.close();
}

From source file:net.openbyte.gui.WelcomeFrame.java

private void button5ActionPerformed(ActionEvent e) {
    String selectedText = (String) list1.getSelectedValue();
    listItems.remove(list1.getSelectedIndex());
    OpenProjectSolution solution = Launch.nameToSolution.get(selectedText);
    System.gc();
    try {//w w w  .  j  a  va 2 s . com
        FileUtils.deleteDirectory(solution.getProjectFolder());
    } catch (IOException e1) {
        e1.printStackTrace();
    }
    list1.clearSelection();
    solution.deleteSolution();
    JOptionPane.showMessageDialog(this, "Deleted the project successfully!", "Success",
            JOptionPane.INFORMATION_MESSAGE);
}