Example usage for java.lang Long longValue

Introduction

In this page you can find the example usage for java.lang Long longValue.

Prototype

@HotSpotIntrinsicCandidate
public long longValue()

Source Link

Document

Returns the value of this Long as a long value.

Usage

From source file:de.unisb.cs.st.javaslicer.slicing.Slicer.java

public static void main(String[] args) throws InterruptedException {
    Options options = createOptions();//from  ww w.  ja  v a2s . com
    CommandLineParser parser = new GnuParser();
    CommandLine cmdLine;

    try {
        cmdLine = parser.parse(options, args, true);
    } catch (ParseException e) {
        System.err.println("Error parsing the command line arguments: " + e.getMessage());
        return;
    }

    if (cmdLine.hasOption('h')) {
        printHelp(options, System.out);
        System.exit(0);
    }

    String[] additionalArgs = cmdLine.getArgs();
    if (additionalArgs.length != 2) {
        printHelp(options, System.err);
        System.exit(-1);
    }
    // ?? 1. ? 2.?
    File traceFile = new File(additionalArgs[0]);
    String slicingCriterionString = additionalArgs[1];

    Long threadId = null;
    if (cmdLine.hasOption('t')) { // the interesting thread id for slicing 
        try {
            threadId = Long.parseLong(cmdLine.getOptionValue('t'));
        } catch (NumberFormatException e) {
            System.err.println("Illegal thread id: " + cmdLine.getOptionValue('t'));
            System.exit(-1);
        }
    }

    TraceResult trace;
    try {
        trace = TraceResult.readFrom(traceFile);
    } catch (IOException e) {
        System.err.format("Could not read the trace file \"%s\": %s%n", traceFile, e);
        System.exit(-1);
        return;
    }

    List<SlicingCriterion> sc = null; // a list contains the instruction's info corresponds to the slicing criterion
    //slicingCriterionString get from additionalArgs[1]
    try {
        sc = StaticSlicingCriterion.parseAll(slicingCriterionString, trace.getReadClasses());
    } catch (IllegalArgumentException e) {
        System.err.println("Error parsing slicing criterion: " + e.getMessage());
        System.exit(-1);
        return;
    }

    List<ThreadId> threads = trace.getThreads(); // the threads that generate the traces
    if (threads.size() == 0) {
        System.err.println("The trace file contains no tracing information.");
        System.exit(-1);
    }

    // threadID is used to mark the interesting thread
    ThreadId tracing = null;
    for (ThreadId t : threads) {
        if (threadId == null) {
            if ("main".equals(t.getThreadName())
                    && (tracing == null || t.getJavaThreadId() < tracing.getJavaThreadId()))
                tracing = t;
        } else if (t.getJavaThreadId() == threadId.longValue()) {
            tracing = t;
        }
    }

    if (tracing == null) {
        System.err.println(threadId == null ? "Couldn't find the main thread."
                : "The thread you specified was not found.");
        System.exit(-1);
        return;
    }

    long startTime = System.nanoTime();
    Slicer slicer = new Slicer(trace);
    if (cmdLine.hasOption("progress")) // the parameter process indicates that we need to monitor the process of slicing
        slicer.addProgressMonitor(new ConsoleProgressMonitor());
    boolean multithreaded;
    if (cmdLine.hasOption("multithreaded")) {
        String multithreadedStr = cmdLine.getOptionValue("multithreaded");
        multithreaded = ("1".equals(multithreadedStr) || "true".equals(multithreadedStr));
    } else {
        multithreaded = Runtime.getRuntime().availableProcessors() > 1;
    }

    boolean warnUntracedMethods = cmdLine.hasOption("warn-untraced"); // give some warns when encounters untraced functions

    //sliceInstructionCollector implements the interface slice visitor, which travel the dependence graph
    SliceInstructionsCollector collector = new SliceInstructionsCollector(); // the collector is used to collect the instructions in the dependence graph according to the slice criterion. 
    slicer.addSliceVisitor(collector);
    // zhushi by yhb

    if (warnUntracedMethods)
        slicer.addUntracedCallVisitor(new PrintUniqueUntracedMethods()); // the user need the untraced function info, so add untraced call visitor

    slicer.process(tracing, sc, multithreaded); //----------------------the key process of slicing!!!
    Set<InstructionInstance> slice = collector.getDynamicSlice(); // return the slice result from the collector
    long endTime = System.nanoTime();

    Instruction[] sliceArray = slice.toArray(new Instruction[slice.size()]); // convert the set to array
    Arrays.sort(sliceArray); // in order to ensure the sequence of dynamic execution

    // show the slicing result
    System.out.println("The dynamic slice for criterion " + sc + ":");
    for (Instruction insn : sliceArray) {
        System.out.format((Locale) null, "%s.%s:%d %s%n", insn.getMethod().getReadClass().getName(),
                insn.getMethod().getName(), insn.getLineNumber(), insn.toString());
    }
    System.out.format((Locale) null, "%nSlice consists of %d bytecode instructions.%n", sliceArray.length);
    System.out.format((Locale) null, "Computation took %.2f seconds.%n", 1e-9 * (endTime - startTime));
}

From source file:Main.java

public static long[] toLongArray(final List<Long> list) {
    long[] ret = new long[list.size()];
    int i = -1;//from   ww w. jav  a 2 s  .  c o m
    for (Long e : list) {
        ret[++i] = e.longValue();
    }
    return ret;
}

From source file:Main.java

public static long[] collectionToLongArray(Collection<Long> allKeys) {
    if (allKeys == null)
        return null;
    long[] values = new long[allKeys.size()];
    int count = 0;
    for (Long allKey : allKeys) {
        values[count++] = allKey.longValue();
    }/*from   w w w  .ja  v  a  2  s  .co  m*/
    return values;
}

From source file:Main.java

public static long nullAs(Long long1, long l) {
    if (long1 != null)
        l = long1.longValue();
    return l;/*from  w  w  w.  j  a va2  s . co  m*/
}

From source file:Main.java

/**
 * Convert seconds to date time string.//w  ww  . j av  a2s  .  c  o m
 *
 * @param sec The seconds count from 1970-1-1 00:00:00
 * @return String Date time string
 */
private static String toDateTimeString(Long sec) {
    Date date = new Date(sec.longValue() * 1000L);
    SimpleDateFormat dateFormat = new SimpleDateFormat();
    String str = dateFormat.format(date);
    return str;
}

From source file:Main.java

public static long getLongValue(Long value) {
    if (value == null) {
        return 0;
    }//w ww. j a va  2  s  .  co  m
    return value.longValue();
}

From source file:Main.java

/**
 * unbox Long//from  w w w  .j a v  a  2 s .c o m
 */
public static long unboxed(Long v) {
    return v == null ? 0 : v.longValue();
}

From source file:Main.java

public static final boolean sleep(final Long millis) {
    if (millis != null) {
        return sleep(millis.longValue());
    }//from   w w w  .j av a2 s .  c  o  m
    return true;
}

From source file:Main.java

public static long nullAsNil(Long long1) {
    long l;/* w w w .  ja v a  2 s.  c o m*/
    if (long1 == null)
        l = 0L;
    else
        l = long1.longValue();
    return l;
}

From source file:com.vmware.identity.openidconnect.protocol.JSONUtils.java

public static long getLong(JSONObject json, String key) throws ParseException {
    Validate.notNull(json, "json");
    Validate.notEmpty(key, "key");

    Object objectValue = json.get(key);
    if (objectValue == null) {
        throw new ParseException(String.format("json is missing %s member", key));
    }/*from  w  ww .  j  a va 2 s. c  o  m*/

    if (!(objectValue instanceof Long)) {
        throw new ParseException(String.format("json has non-long %s member", key));
    }

    Long longValue = (Long) objectValue;
    return longValue.longValue();
}