Examples of org.exist.xquery.value.Sequence.iterate()

org.exist.xquery.value.Sequence.iterate()
Returns an iterator over all items in the sequence. The items are returned in document order where applicable. @throws XPathException TODO

          
        XSLStylesheet xslt = getXSLContext().getXSLStylesheet();
  
      int pos = 0;
  //      for (Item item : selected) {
          for (SequenceIterator iterInner = selected.iterate(); iterInner.hasNext();) {
              Item item = iterInner.nextItem();   
          
            context.setContextSequencePosition(pos, selected);
          Sequence res = xslt.templates(selected, item);
          if (res == null) {

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        final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);


        try {
            if(!contentSeq.isEmpty()) {
                StringBuilder buf = null;
                final SequenceIterator i = contentSeq.iterate();
                Item next = i.nextItem();
                while(next != null) {
                    context.proceed(this, builder);
                    if (next.getType() == Type.ATTRIBUTE || next.getType() == Type.NAMESPACE)
                        {throw new XPathException(this, "Found a node of type " +

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            try {
                final Sequence seq = expr.eval(proxy);
                final StringBuilder buf = new StringBuilder();
                final OrderedLinkedList strings = new OrderedLinkedList();
                Item item;
                for(final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
                    item = i.nextItem();
                    strings.add(new OrderedLinkedList.SimpleNode(item.getStringValue().toUpperCase()));
                }
                for (final Iterator<OrderedLinkedList.SimpleNode> j = strings.iterator(); j.hasNext();) 
                    buf.append((j.next()).getData());

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        // create the output
        final MemTreeBuilder builder = context.getDocumentBuilder();
        final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);
        receiver.checkNS = true;
        try {
            final SequenceIterator i = result.iterate();
            Item next = i.nextItem();
            StringBuilder buf = null;
            boolean allowAttribs = true;
            while (next != null) {
                context.proceed(this, builder);

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        Sequence result;
        final Sequence inner = getArgument(0).eval(contextSequence, contextItem);
        if (inner.isEmpty()) {
            result = Sequence.EMPTY_SEQUENCE;
        } else {
            final SequenceIterator iter = inner.iterate();
            Item item = iter.nextItem();
            AtomicValue value = item.atomize();
            //Any values of type xdt:untypedAtomic are cast to xs:double
            if (value.getType() == Type.UNTYPED_ATOMIC) 
                {value = value.convertTo(Type.DOUBLE);}

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        final TreeSet<AtomicValue> set = new TreeSet<AtomicValue>(new ValueComparator(collator));
        final ValueSequence result = new ValueSequence();
        Item item;
        AtomicValue value;
        boolean hasAlreadyNaN = false;
        for (final SequenceIterator i = seq.iterate(); i.hasNext();) {
            item = i.nextItem();
            value = item.atomize();
            if (!set.contains(value)) {
                if (Type.subTypeOf(value.getType(), Type.NUMBER)) {
                    if (((NumericValue)value).isNaN()) {

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                ref = (FunctionReference) args[0].itemAt(0);
                seq = args[1];
            }


            ref.analyze(cachedContextInfo);
          for (final SequenceIterator i = seq.iterate(); i.hasNext(); ) {
            final Item item = i.nextItem();
            final Sequence r = ref.evalFunction(contextSequence, null, new Sequence[] { item.toSequence() });
            if (r.effectiveBooleanValue())
              {result.add(item);}
          }

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            final FunctionReference ref = (FunctionReference) args[2].itemAt(0);
            ref.analyze(cachedContextInfo);
          Sequence zero = args[1];
          Sequence input = args[0];
          while (!input.isEmpty()) {
            final SequenceIterator i = input.iterate();
            zero = ref.evalFunction(contextSequence, null, new Sequence[] { zero, i.nextItem().toSequence() });
            ValueSequence tail = new ValueSequence();
            while (i.hasNext()) {
              tail.add(i.nextItem());
            }

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        final ValueSequence stored = new ValueSequence();


        //store according to each pattern
        final Sequence patterns = args[2];
        for(final SequenceIterator i = patterns.iterate(); i.hasNext(); )
        {
            //get the files to store
            final String pattern = i.nextItem().getStringValue();
            final File[] files = DirectoryScanner.scanDir(baseDir, pattern);
            logger.debug("Found: " + files.length);

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                  params[3].add(new IntegerValue(firstMatch.getLength()));
                }
                // now execute the callback func.
                final Sequence callbackResult = callback.evalFunction(null, null, params);
                // iterate through the result of the callback
                for (final SequenceIterator iter = callbackResult.iterate(); iter.hasNext(); ) {
                  final Item next = iter.nextItem();
                  if (Type.subTypeOf(next.getType(), Type.NODE)) {
                    nodeNr = builder.getDocument().getLastNode();
                    try {
              next.copyTo(context.getBroker(), receiver);

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