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

        // into preselectResult
        if (rightSeq.getItemCount() > 1)
          {preselectResult = new NewArrayNodeSet();}
        
        // Iterate through each item in the right-hand sequence
        for( final SequenceIterator itRightSeq = rightSeq.iterate(); itRightSeq.hasNext(); ) {


            //Get the index key
            Item key = itRightSeq.nextItem().atomize();


            //if key has truncation, convert it to string

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                final AtomicValue lv = item.atomize();


                do {
                    final Sequence rs = getRight().eval( context.getNode().toSequence() );


                    for( final SequenceIterator i2 = rs.iterate(); i2.hasNext(); ) {
                        final AtomicValue rv = i2.nextItem().atomize();


                        if( compareAtomic( collator, lv, rv ) ) {
                            result.add( item );
                        }

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            for( final NodeProxy item : nodes ) {
                final AtomicValue lv = item.atomize();
                final Sequence    rs = getRight().eval( contextSequence );


                for( final SequenceIterator i2 = rs.iterate(); i2.hasNext(); ) {
                    final AtomicValue rv = i2.nextItem().atomize();


                    if( compareAtomic( collator, lv, rv ) ) {
                        result.add( item );
                    }

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            //Holds the result
            NodeSet           result = null;


            //Iterate through the right hand sequence
            for( final SequenceIterator itRightSeq = rightSeq.iterate(); itRightSeq.hasNext(); ) {


                //Get the index key
                Item key = itRightSeq.nextItem().atomize();


                //if key has truncation, convert it to string

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              {result = Sequence.EMPTY_SEQUENCE;}
            else {
                final MemTreeBuilder builder = context.getDocumentBuilder();
                context.proceed(this, builder);
                final StringBuilder buf = new StringBuilder();
                for(final SequenceIterator i = contentSeq.iterate(); i.hasNext(); ) {
                    context.proceed(this, builder);
                    final Item next = i.nextItem();
                    if(buf.length() > 0)
                        {buf.append(' ');}
                    buf.append(next.toString());

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        }  


    boolean found = (mode == EVERY) ? true : false;
    boolean canDecide = (mode == EVERY) ? true : false;


    for (final SequenceIterator i = inSeq.iterate(); i.hasNext(); ) {
      canDecide = true;
      
      final Item item = i.nextItem();      
      // set variable value to current item
            var.setValue(item.toSequence());

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            final Sequence valueSeq = valueExpr.eval(contextSequence, contextItem);
            if(valueSeq.isEmpty())
              {value = "";}
            else {
                final StringBuilder buf = new StringBuilder();
                for(final SequenceIterator i = valueSeq.iterate(); i.hasNext(); ) {
                    final Item next = i.nextItem();
                    buf.append(next.getStringValue());
                    if(i.hasNext())
                        {buf.append(' ');}
                }

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                    result = evalBoolean(contextSequence, contextItem, arg);
      } else {
          result = contextSequence.toNodeSet().copy();


          if (inPredicate) {
            for (final SequenceIterator i = result.iterate(); i.hasNext();) {
              final NodeProxy item = (NodeProxy) i.nextItem();
//              item.addContextNode(getExpressionId(), item);
              if (contextId != Expression.NO_CONTEXT_ID)
                            {item.addContextNode(contextId, item);}
              else

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                // Fix typecast exception RMT
//        NodeList resultSet = (NodeSet)qr;
                final ExtArrayNodeSet hitsByDoc = new ExtArrayNodeSet();
                NodeProxy p;
                String ppath;
                for (final SequenceIterator i = qr.iterate(); i.hasNext(); ) {
//        for (Iterator i = ((NodeSet) resultSet).iterator(); i.hasNext();) {
                    p = (NodeProxy) i.nextItem();
                    ///TODO : use dedicated function in XmldbURI
                    ppath = p.getDocument().getCollection().getURI().toString() + '/' + p.getDocument().getFileURI();
                    if (ppath.equals(path))

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    private List<String> getParameterValues(Sequence contextSequence,
            Item contextItem) throws XPathException {
        final List<String> args = new ArrayList<String>(getArgumentCount() + 10);
        for (int i = 0; i < getArgumentCount(); i++) {
            final Sequence seq = getArgument(i).eval(contextSequence, contextItem);
            for (final SequenceIterator j = seq.iterate(); j.hasNext();) {
                final Item next = j.nextItem();
                args.add(next.getStringValue());
            }
        }
        return args;

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