Examples of org.apache.jackrabbit.core.query.QueryNode

Package org.apache.jackrabbit.core.query

Examples of org.apache.jackrabbit.core.query.QueryNode

org.apache.jackrabbit.core.query.QueryNode
Implements an abstract base class for nodes of a query tree that represents a query. The query tree is independent from the query syntax which is used to search the repository.

     *             <code>XPathVisitor</code>.
     * @return the current <code>QueryNode</code>. Can be different from
     *         <code>data</code>.
     */
    public Object visit(SimpleNode node, Object data) {
        QueryNode queryNode = (QueryNode) data;
        switch (node.getId()) {
            case JJTXPATH2:
                queryNode = createPathQueryNode(node);
                break;
            case JJTROOT:
            case JJTROOTDESCENDANTS:
                ((PathQueryNode) queryNode).setAbsolute(true);
                break;
            case JJTSTEPEXPR:
                if (isAttributeAxis(node)) {
                    if (queryNode.getType() == QueryNode.TYPE_RELATION
                            || (queryNode.getType() == QueryNode.TYPE_DEREF && ((DerefQueryNode) queryNode).getRefProperty() == null)
                            || queryNode.getType() == QueryNode.TYPE_ORDER
                            || queryNode.getType() == QueryNode.TYPE_PATH
                            || queryNode.getType() == QueryNode.TYPE_TEXTSEARCH) {
                        // traverse
                        node.childrenAccept(this, queryNode);
                    } else if (queryNode.getType() == QueryNode.TYPE_NOT) {
                        // is null expression
                        RelationQueryNode isNull
                                = new RelationQueryNode(queryNode,
                                        RelationQueryNode.OPERATION_NULL);
                        node.childrenAccept(this, isNull);
                        NotQueryNode notNode = (NotQueryNode) queryNode;
                        NAryQueryNode parent = (NAryQueryNode) notNode.getParent();
                        parent.removeOperand(notNode);
                        parent.addOperand(isNull);
                    } else {
                        // not null expression
                        RelationQueryNode notNull
                                = new RelationQueryNode(queryNode,
                                        RelationQueryNode.OPERATION_NOT_NULL);
                        node.childrenAccept(this, notNull);
                        ((NAryQueryNode) queryNode).addOperand(notNull);
                    }
                } else {
                    if (queryNode.getType() == QueryNode.TYPE_PATH) {
                        createLocationStep(node, (NAryQueryNode) queryNode);
                    } else if (queryNode.getType() == QueryNode.TYPE_TEXTSEARCH
                            || queryNode.getType() == QueryNode.TYPE_RELATION) {
                        node.childrenAccept(this, queryNode);
                    }
                }
                break;
            case JJTNAMETEST:
                if (queryNode.getType() == QueryNode.TYPE_LOCATION
                        || queryNode.getType() == QueryNode.TYPE_DEREF
                        || queryNode.getType() == QueryNode.TYPE_RELATION
                        || queryNode.getType() == QueryNode.TYPE_TEXTSEARCH
                        || queryNode.getType() == QueryNode.TYPE_PATH) {
                    createNodeTest(node, queryNode);
                } else if (queryNode.getType() == QueryNode.TYPE_ORDER) {
                    createOrderSpec(node, (OrderQueryNode) queryNode);
                } else {
                    // traverse
                    node.childrenAccept(this, queryNode);
                }
                break;
            case JJTELEMENTNAMEORWILDCARD:
                if (queryNode.getType() == QueryNode.TYPE_LOCATION) {
                    SimpleNode child = (SimpleNode) node.jjtGetChild(0);
                    if (child.getId() != JJTANYNAME) {
                        createNodeTest(child, queryNode);
                    }
                }
                break;
            case JJTTEXTTEST:
                if (queryNode.getType() == QueryNode.TYPE_LOCATION) {
                    LocationStepQueryNode loc = (LocationStepQueryNode) queryNode;
                    loc.setNameTest(JCR_XMLTEXT);
                }
                break;
            case JJTTYPENAME:
                if (queryNode.getType() == QueryNode.TYPE_LOCATION) {
                    LocationStepQueryNode loc = (LocationStepQueryNode) queryNode;
                    String ntName = ((SimpleNode) node.jjtGetChild(0)).getValue();
                    try {
                        QName nt = NameFormat.parse(ntName, resolver);
                        NodeTypeQueryNode nodeType = new NodeTypeQueryNode(loc, nt);
                        loc.addPredicate(nodeType);
                    } catch (NameException e) {
                        exceptions.add(new InvalidQueryException("Not a valid name: " + ntName));
                    }
                }
                break;
            case JJTOREXPR:
                NAryQueryNode parent = (NAryQueryNode) queryNode;
                QueryNode orQueryNode = new OrQueryNode(parent);
                parent.addOperand(orQueryNode);
                // traverse
                node.childrenAccept(this, orQueryNode);
                break;
            case JJTANDEXPR:
                parent = (NAryQueryNode) queryNode;
                QueryNode andQueryNode = new AndQueryNode(parent);
                parent.addOperand(andQueryNode);
                // traverse
                node.childrenAccept(this, andQueryNode);
                break;
            case JJTCOMPARISONEXPR:

View Full Code Here

        fName = fName.substring(0, fName.length() - 1);
        try {
            if (NameFormat.format(FN_NOT, resolver).equals(fName)
                    || NameFormat.format(FN_NOT_10, resolver).equals(fName)) {
                if (queryNode instanceof NAryQueryNode) {
                    QueryNode not = new NotQueryNode(queryNode);
                    ((NAryQueryNode) queryNode).addOperand(not);
                    // @todo is this needed?
                    queryNode = not;
                    // traverse
                    if (node.jjtGetNumChildren() == 2) {

View Full Code Here


    public Object visit(ASTPredicate node, Object data) {
        NAryQueryNode parent = (NAryQueryNode) data;


        int type = node.getOperationType();
        QueryNode predicateNode;


        try {
            final QName[] tmp = new QName[2];
            final ASTLiteral[] value = new ASTLiteral[1];
            node.childrenAccept(new DefaultParserVisitor() {

View Full Code Here

0 1 2

TOP

Related Classes of org.apache.jackrabbit.core.query.QueryNode

org.apache.jackrabbit.core.query.sql.JCRSQLQueryBuilder

org.apache.jackrabbit.core.query.xpath.XPathQueryBuilder

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.