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

Package org.apache.jackrabbit.core.query

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

org.apache.jackrabbit.core.query.DefaultQueryNodeVisitor
Implements the QueryNodeVisitor interface with default behaviour. All methods are no-ops and return the data argument.


        // traverse
        node.childrenAccept(this, rqn);


        // check if string transformation is valid
        rqn.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(PropertyFunctionQueryNode node, Object data) {
                String functionName = node.getFunctionName();
                if ((functionName.equals(PropertyFunctionQueryNode.LOWER_CASE)
                        || functionName.equals(PropertyFunctionQueryNode.UPPER_CASE))
                            && rqn.getValueType() != QueryConstants.TYPE_STRING) {

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            return data;
        }


        // get property transformation
        final int[] transform = new int[]{TransformConstants.TRANSFORM_NONE};
        node.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(PropertyFunctionQueryNode node, Object data) {
                if (node.getFunctionName().equals(PropertyFunctionQueryNode.LOWER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_LOWER_CASE;
                } else if (node.getFunctionName().equals(PropertyFunctionQueryNode.UPPER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_UPPER_CASE;

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        selectProps.addAll(Arrays.asList(root.getSelectProperties()));
        if (selectProps.size() == 0) {
            // use node type constraint
            LocationStepQueryNode[] steps = root.getLocationNode().getPathSteps();
            final QName[] ntName = new QName[1];
            steps[steps.length - 1].acceptOperands(new DefaultQueryNodeVisitor() {
                public Object visit(NodeTypeQueryNode node, Object data) {
                    ntName[0] = node.getValue();
                    return data;
                }
            }, null);

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        selectProps.addAll(Arrays.asList(root.getSelectProperties()));
        if (selectProps.size() == 0) {
            // use node type constraint
            LocationStepQueryNode[] steps = root.getLocationNode().getPathSteps();
            final QName[] ntName = new QName[1];
            steps[steps.length - 1].acceptOperands(new DefaultQueryNodeVisitor() {
                public Object visit(NodeTypeQueryNode node, Object data) {
                    ntName[0] = node.getValue();
                    return data;
                }
            }, null);

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        selectProps.addAll(Arrays.asList(root.getSelectProperties()));
        if (selectProps.size() == 0) {
            // use node type constraint
            LocationStepQueryNode[] steps = root.getLocationNode().getPathSteps();
            final QName[] ntName = new QName[1];
            steps[steps.length - 1].acceptOperands(new DefaultQueryNodeVisitor() {
                public Object visit(NodeTypeQueryNode node, Object data) {
                    ntName[0] = node.getValue();
                    return data;
                }
            }, null);

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            return data;
        }


        // get property transformation
        final int[] transform = new int[]{TransformConstants.TRANSFORM_NONE};
        node.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(PropertyFunctionQueryNode node, Object data) {
                if (node.getFunctionName().equals(PropertyFunctionQueryNode.LOWER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_LOWER_CASE;
                } else if (node.getFunctionName().equals(PropertyFunctionQueryNode.UPPER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_UPPER_CASE;

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            return data;
        }


        // get property transformation
        final int[] transform = new int[]{TransformConstants.TRANSFORM_NONE};
        node.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(PropertyFunctionQueryNode node, Object data) {
                if (node.getFunctionName().equals(PropertyFunctionQueryNode.LOWER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_LOWER_CASE;
                } else if (node.getFunctionName().equals(PropertyFunctionQueryNode.UPPER_CASE)) {
                    transform[0] = TransformConstants.TRANSFORM_UPPER_CASE;

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        // traverse
        node.childrenAccept(this, rqn);


        // check if string transformation is valid
        rqn.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(PropertyFunctionQueryNode node, Object data) {
                String functionName = node.getFunctionName();
                if ((functionName.equals(PropertyFunctionQueryNode.LOWER_CASE)
                        || functionName.equals(PropertyFunctionQueryNode.UPPER_CASE))
                            && rqn.getValueType() != QueryConstants.TYPE_STRING) {

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        StringBuffer sb = (StringBuffer) data;
        if (node.getIncludeDescendants()) {
            sb.append('/');
        }
        final QName[] nodeType = new QName[1];
        node.acceptOperands(new DefaultQueryNodeVisitor() {
            public Object visit(NodeTypeQueryNode node, Object data) {
                nodeType[0] = node.getValue();
                return data;
            }
        }, null);

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        selectProps.addAll(Arrays.asList(root.getSelectProperties()));
        if (selectProps.size() == 0) {
            // use node type constraint
            LocationStepQueryNode[] steps = root.getLocationNode().getPathSteps();
            final QName[] ntName = new QName[1];
            steps[steps.length - 1].acceptOperands(new DefaultQueryNodeVisitor() {


                public Object visit(AndQueryNode node, Object data) {
                    return node.acceptOperands(this, data);
                }

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