Package org.exist.xquery.value

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

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            System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));

            for (int i = 1; i <= ITEMS_TO_APPEND; i++) {
                seq = xquery.execute("//product[description &= 'Description" + i + "']", null, AccessContext.TEST);
                assertEquals(1, seq.getItemCount());
                System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
            }
            seq = xquery.execute("//product[description &= 'Updated']", null, AccessContext.TEST);
            assertEquals(seq.getItemCount(), ITEMS_TO_APPEND);

            System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
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                System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
            }
            seq = xquery.execute("//product[description &= 'Updated']", null, AccessContext.TEST);
            assertEquals(seq.getItemCount(), ITEMS_TO_APPEND);

            System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
           
            query =
              "declare option exist:output-size-limit '-1';\n" +
              "for $prod at $count in //product return\n" +
                "  update value $prod/stock/text()\n" +
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            seq = xquery.execute("//product[stock > 400]", null, AccessContext.TEST);
            assertEquals(seq.getItemCount(), ITEMS_TO_APPEND);
            seq = xquery.execute("//product[stock &= '401']", null, AccessContext.TEST);
            assertEquals(seq.getItemCount(), 1);

            System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
           
            query =
              "declare option exist:output-size-limit '-1';\n" +
              "for $prod in //product return\n" +
                "  update value $prod/@num\n" +
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            assertEquals(seq.getItemCount(), 1);
           
            seq = xquery.execute("//product[@num = 3]", null, AccessContext.TEST);
            assertEquals(seq.getItemCount(), 1);
           
            System.out.println(serializer.serialize((NodeValue) seq.itemAt(0)));
           
            query =
              "declare option exist:output-size-limit '-1';\n" +
              "for $prod in //product return\n" +
                "  update value $prod/stock\n" +
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            assertNotNull(xquery);
            // test element ids
            Sequence seq = xquery.execute("doc('/db/test/test_string.xml')/test/para",
                    null, AccessContext.TEST);
            assertEquals(3, seq.getItemCount());
            NodeProxy comment = (NodeProxy) seq.itemAt(0);
            assertEquals(comment.getNodeId().toString(), "1.1");
            comment = (NodeProxy) seq.itemAt(1);
            assertEquals(comment.getNodeId().toString(), "1.3");
            comment = (NodeProxy) seq.itemAt(2);
            assertEquals(comment.getNodeId().toString(), "1.5");
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            Sequence seq = xquery.execute("doc('/db/test/test_string.xml')/test/para",
                    null, AccessContext.TEST);
            assertEquals(3, seq.getItemCount());
            NodeProxy comment = (NodeProxy) seq.itemAt(0);
            assertEquals(comment.getNodeId().toString(), "1.1");
            comment = (NodeProxy) seq.itemAt(1);
            assertEquals(comment.getNodeId().toString(), "1.3");
            comment = (NodeProxy) seq.itemAt(2);
            assertEquals(comment.getNodeId().toString(), "1.5");

            seq = xquery.execute("doc('/db/test/test_string.xml')/test//a",
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            assertEquals(3, seq.getItemCount());
            NodeProxy comment = (NodeProxy) seq.itemAt(0);
            assertEquals(comment.getNodeId().toString(), "1.1");
            comment = (NodeProxy) seq.itemAt(1);
            assertEquals(comment.getNodeId().toString(), "1.3");
            comment = (NodeProxy) seq.itemAt(2);
            assertEquals(comment.getNodeId().toString(), "1.5");

            seq = xquery.execute("doc('/db/test/test_string.xml')/test//a",
                    null, AccessContext.TEST);
            assertEquals(1, seq.getItemCount());
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            assertEquals(comment.getNodeId().toString(), "1.5");

            seq = xquery.execute("doc('/db/test/test_string.xml')/test//a",
                    null, AccessContext.TEST);
            assertEquals(1, seq.getItemCount());
            NodeProxy a = (NodeProxy) seq.itemAt(0);
            assertEquals("1.3.2", a.getNodeId().toString());

            // test attribute id
            seq = xquery.execute("doc('/db/test/test_string.xml')/test//a/@href",
                    null, AccessContext.TEST);
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            // test attribute id
            seq = xquery.execute("doc('/db/test/test_string.xml')/test//a/@href",
                    null, AccessContext.TEST);
            assertEquals(1, seq.getItemCount());
            NodeProxy href = (NodeProxy) seq.itemAt(0);
            System.out.println(StorageAddress.toString(href.getInternalAddress()));
            assertEquals("1.3.2.1", href.getNodeId().toString());
            // test Attr deserialization
            Attr attr = (Attr) href.getNode();
            System.out.println(StorageAddress.toString(((StoredNode)attr).getInternalAddress()));
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        if (!ls.isEmpty() && !rs.isEmpty()) {
            if (!Type.subTypeOf(ls.itemAt(0).getType(), Type.NODE))
                {throw new XPathException(this, ErrorCodes.XPTY0004,
                    "left item is not a node; got '" +
                    Type.getTypeName(ls.itemAt(0).getType()) + "'");}
            if (!Type.subTypeOf(rs.itemAt(0).getType(), Type.NODE))
                {throw new XPathException(this, ErrorCodes.XPTY0004,
                    "right item is not a node; got '" +
                    Type.getTypeName(rs.itemAt(0).getType()) + "'");}
            final NodeValue lv = (NodeValue)ls.itemAt(0);
            final NodeValue rv = (NodeValue)rs.itemAt(0);
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