Examples of client.net.sf.saxon.ce.expr.sort.DocumentOrderIterator

Package client.net.sf.saxon.ce.expr.sort

Examples of client.net.sf.saxon.ce.expr.sort.DocumentOrderIterator

client.net.sf.saxon.ce.expr.sort.DocumentOrderIterator
DocumentOrderIterator takes as input an iteration of nodes in any order, and returns as output an iteration of the same nodes in document order, eliminating any duplicates.


        ItemMappingIterator iter = new ItemMappingIterator(hrefSequence, map);


        Expression expression = argument[0];
        if (Cardinality.allowsMany(expression.getCardinality())) {
            return new DocumentOrderIterator(iter, GlobalOrderComparer.getInstance());
            // this is to make sure we eliminate duplicates: two href's might be the same
        } else {
            return iter;
        }
    }

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        DocumentInfo doc = (DocumentInfo)arg1;
        SequenceIterator idrefs = argument[0].iterate(context);
        IdMappingFunction map = new IdMappingFunction();
        map.document = doc;
        SequenceIterator result = new MappingIterator(idrefs, map);
        return new DocumentOrderIterator(result, LocalOrderComparer.getInstance());
    }

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    public SequenceIterator iterate(final XPathContext c) throws XPathException {
        SequenceIterator i1 = operand0.iterate(c);
        //return Type.isNodeType(getItemType()) && isSingleton();
        // this is a sufficient condition, but other expressions override this method
        if ((operand0.getSpecialProperties() & StaticProperty.ORDERED_NODESET) == 0) {
            i1 = new DocumentOrderIterator(i1, GlobalOrderComparer.getInstance());
        }
        SequenceIterator i2 = operand1.iterate(c);
        //return Type.isNodeType(getItemType()) && isSingleton();
        // this is a sufficient condition, but other expressions override this method
        if ((operand1.getSpecialProperties() & StaticProperty.ORDERED_NODESET) == 0) {
            i2 = new DocumentOrderIterator(i2, GlobalOrderComparer.getInstance());
        }
        switch (operator) {
            case Token.UNION:
                return new UnionEnumeration(i1, i2,
                                            GlobalOrderComparer.getInstance());

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                }
            };


            SequenceIterator keys = argument[1].iterate(context);
            SequenceIterator allValues = new MappingIterator(keys, map);
            allResults = new DocumentOrderIterator(allValues, LocalOrderComparer.getInstance());
        } else {
            try {
                AtomicValue keyValue = (AtomicValue)argument[1].evaluateItem(context);
                if (keyValue == null) {
                    return EmptyIterator.getInstance();

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                    } else {
                        throw reportMixedItems(loc, context);
                    }
                }
            };
            return new DocumentOrderIterator(
                new ItemMappingIterator(new OneItemGoneIterator(result), nodeChecker, true),
                GlobalOrderComparer.getInstance());
        }


    }

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Related Classes of client.net.sf.saxon.ce.expr.sort.DocumentOrderIterator

client.net.sf.saxon.ce.expr.SlashExpression

client.net.sf.saxon.ce.expr.VennExpression

client.net.sf.saxon.ce.functions.DocumentFn

client.net.sf.saxon.ce.functions.Id

client.net.sf.saxon.ce.functions.KeyFn

client.net.sf.saxon.ce.om.NodeInfo

client.net.sf.saxon.ce.value.SequenceExtent

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