Examples of javax.xml.datatype.Duration

javax.xml.datatype.Duration
Immutable representation of a time span as defined in the W3C XML Schema 1.0 specification.

A Duration object represents a period of Gregorian time, which consists of six fields (years, months, days, hours, minutes, and seconds) plus a sign (+/-) field.

The first five fields have non-negative (>=0) integers or null (which represents that the field is not set), and the seconds field has a non-negative decimal or null. A negative sign indicates a negative duration.

This class provides a number of methods that make it easy to use for the duration datatype of XML Schema 1.0 with the errata.

Order relationship

Duration objects only have partial order, where two values A and B maybe either:
1. A<B (A is shorter than B)
2. A>B (A is longer than B)
3. A==B (A and B are of the same duration)
4. A<>B (Comparison between A and B is indeterminate)
For example, 30 days cannot be meaningfully compared to one month. The {@link #compare(Duration duration)} method implements thisrelationship.

See the {@link #isLongerThan(Duration)} method for details aboutthe order relationship among Duration objects.

Operations over Duration

This class provides a set of basic arithmetic operations, such as addition, subtraction and multiplication. Because durations don't have total order, an operation could fail for some combinations of operations. For example, you cannot subtract 15 days from 1 month. See the javadoc of those methods for detailed conditions where this could happen.

Also, division of a duration by a number is not provided because the Duration class can only deal with finite precision decimal numbers. For example, one cannot represent 1 sec divided by 3.

However, you could substitute a division by 3 with multiplying by numbers such as 0.3 or 0.333.

Range of allowed values

Because some operations of Duration rely on {@link Calendar}even though {@link Duration} can hold very large or very small values,some of the methods may not work correctly on such Durations. The impacted methods document their dependency on {@link Calendar}. @author Joseph Fialli @author Kohsuke Kawaguchi @author Jeff Suttor @version $Revision: 292853 $, $Date: 2005-09-30 16:42:07 -0400 (Fri, 30 Sep 2005) $ @see XMLGregorianCalendar#add(Duration) @since 1.5

        static final DurationAdd INSTANCE = new DurationAdd();


        public DurationValue eval(DynamicContext dynEnv, Item v1, Item v2) throws XQueryException {
            DurationValue d1 = (DurationValue) v1;
            DurationValue d2 = (DurationValue) v2;
            Duration dv1 = d1.getValue();
            Duration res = dv1.add(d2.getValue());
            DurationType dt1 = d1.getDurationType();
            DurationType dt2 = d2.getDurationType();
            if(dt1 == dt2) {
                return new DurationValue(res, dt1);
            } else {

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        static final DurationSub INSTANCE = new DurationSub();


        public DurationValue eval(DynamicContext dynEnv, Item v1, Item v2) throws XQueryException {
            DurationValue d1 = (DurationValue) v1;
            DurationValue d2 = (DurationValue) v2;
            Duration dv1 = d1.getValue();
            Duration res = dv1.subtract(d2.getValue());
            DurationType dt1 = d1.getDurationType();
            DurationType dt2 = d2.getDurationType();
            if(dt1 == dt2) {
                return new DurationValue(res, dt1);
            } else {

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        public DurationValue eval(DynamicContext dynEnv, Item v1, Item v2) throws XQueryException {
            DateTimeValue d1 = (DateTimeValue) v1;
            DateTimeValue d2 = (DateTimeValue) v2;
            long l1 = d1.getValue().toGregorianCalendar().getTimeInMillis();
            long l2 = d2.getValue().toGregorianCalendar().getTimeInMillis();
            Duration d = XsDatatypeFactory.createDuration(l1 - l2);
            DateTimeBaseType dt1 = d1.getDateTimeType();
            DateTimeBaseType dt2 = d2.getDateTimeType();
            if(dt1 == dt2 && (dt1.getTypeId() == TypeTable.YEAR_MONTH_DURATION_TID)) {
                return new DurationValue(d, YearMonthDurationType.YEARMONTH_DURATION);
            } else {

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            }
            if(Double.isInfinite(d2)) {
                throw new DynamicError("err:FODT0002", "Duration value is too large or too small to be represented.");
            }
            DurationType dt = dur1.getDurationType();
            final Duration res;
            final int dt1 = dt.getTypeId();
            if(dt1 == TypeTable.YEAR_MONTH_DURATION_TID) {
                int months = dur1.totalMonths();
                long ym = Math.round(months * d2);
                res = XsDatatypeFactory.createYearMonthDuration(ym);
            } else {
                Duration dv1 = dur1.getValue();
                res = dv1.multiply(BigDecimal.valueOf(d2));
            }
            return new DurationValue(res, dt);
        }

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    public Sequence eval(Sequence<? extends Item> contextSeq, ValueSequence argv, DynamicContext dynEnv)
            throws XQueryException {
        TimeZone tz = dynEnv.implicitTimezone();
        int utcOffset = tz.getOffset(0);
        final Duration d = XsDatatypeFactory.createDuration(utcOffset);
        return new DurationValue(d, DayTimeDurationType.DAYTIME_DURATION);
    }

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        readerControl.replay();
        
        DurationType dType = (DurationType) tm.getType(Duration.class);
        assertNotNull(dType);
        Duration d = (Duration) dType.readObject(reader, new MessageContext());
        assertEquals(120, d.getDays());
        
        readerControl.verify();
        
        // test writing
        MockControl writerControl = MockControl.createControl(MessageWriter.class);
        MessageWriter writer = (MessageWriter) writerControl.getMock();
        
        writer.writeValue("-P120D");
        writerControl.setVoidCallable();
        
        writerControl.replay();
        
        dType.writeObject(d, writer, new MessageContext());
        assertEquals(120, d.getDays());
        
        writerControl.verify();
    }

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    }


    public void testDuration() throws Exception {
        javax.xml.datatype.DatatypeFactory datatypeFactory = javax.xml.datatype.DatatypeFactory.newInstance();


        Duration x = datatypeFactory.newDuration("P1Y35DT60M60.500S");
        Duration yOrig = datatypeFactory.newDuration("-P2MT24H60S");


        Holder<Duration> y = new Holder<Duration>(yOrig);
        Holder<Duration> z = new Holder<Duration>();


        Duration ret;
        if (testDocLiteral) {
            ret = docClient.testDuration(x, y, z);
        } else {
            // XXX - TODO getting a MarshalException with rpc-lit for the
            // xsd:duration test [DurationImpl is not known to this context].

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        SourceSequence seq = new SourceSequence(id);
        
        Expires expires = factory.createExpires();
        
        DatatypeFactory dbf = DatatypeFactory.newInstance();
        Duration d = dbf.newDuration(0);        
        expires.setValue(d);
        seq.setExpires(expires);
        assertTrue(!seq.isExpired());
        
        d = dbf.newDuration("PT0S");

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        RMSource source = control.createMock(RMSource.class);
        SourcePolicyType sp = control.createMock(SourcePolicyType.class);
        
        Identifier sid = RMUtils.getWSRMFactory().createIdentifier();
        sid.setValue("s1");
        Duration osd = DatatypeFactory.newInstance().newDuration("PT24H");
        assertNotNull(osd);
        Identifier offeredSid = RMUtils.getWSRMFactory().createIdentifier();
        offeredSid.setValue("s1Offer");
      
        expect(handler.getBinding()).andReturn(binding);

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        SourcePolicyType sp = control.createMock(SourcePolicyType.class);
        //RMDestination dest = control.createMock(RMDestination.class);
        
        Identifier sid = RMUtils.getWSRMFactory().createIdentifier();
        sid.setValue("s1");
        Duration osd = DatatypeFactory.newInstance().newDuration("PT24H");
        Identifier offeredSid = RMUtils.getWSRMFactory().createIdentifier();
        offeredSid.setValue("s1Offer");


        expect(handler.getBinding()).andReturn(binding);  
        expect(source.getSourcePolicies()).andReturn(sp);

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Examples of javax.xml.datatype.Duration

Order relationship

Operations over Duration

Range of allowed values

Related Classes of javax.xml.datatype.Duration