Examples of org.apache.jackrabbit.spi.commons.query.jsr283.qom.Ordering

Package org.apache.jackrabbit.spi.commons.query.jsr283.qom

Examples of org.apache.jackrabbit.spi.commons.query.jsr283.qom.Ordering

org.apache.jackrabbit.spi.commons.query.jsr283.qom.BindVariableValue
Determines the relative order of two node-tuples by evaluating {@link #getOperand operand} for each.
For a first node-tuple, nt1, for which {@link #getOperand operand}evaluates to v1, and a second node-tuple, nt2, for which {@link #getOperand operand} evaluates to v2:
- If {@link #getOrder order} is Ascending, then:
  - if either v1 is null, v2 is null, or both v1 and v2 are null, the relative order of nt1 and nt2 is implementation determined, otherwise
  - if v1 is a different property type than v2, the relative order of nt1 and nt2 is implementation determined, otherwise
  - if v1 is ordered before v2, then nt1 precedes nt2, otherwise
  - if v1 is ordered after v2, then nt2 precedes nt1, otherwise
  - the relative order of nt1 and nt2 is implementation determined and may be arbitrary.
- Otherwise, if {@link #getOrder order} is Descending, then:
  - if either v1 is null, v2 is null, or both v1 and v2 are null, the relative order of nt1 and nt2 is implementation determined, otherwise
  - if v1 is a different property type than v2, the relative order of nt1 and nt2 is implementation determined, otherwise
  - if v1 is ordered before v2, then nt2 precedes nt1, otherwise
  - if v1 is ordered after v2, then nt1 precedes nt2, otherwise
  - the relative order of nt1 and nt2 is implementation determined and may be arbitrary.
The query is invalid if {@link #getOperand operand} does not evaluate to ascalar value. @since JCR 2.0

    /**
     * Test case for {@link QueryObjectModelFactory#ascending(DynamicOperand)}
     */
    public void testOrderingAscending() throws RepositoryException {
        PropertyValue op = qomFactory.propertyValue(propertyName1);
        Ordering asc = qomFactory.ascending(op);
        assertEquals("Ordering.getOrder() must return QueryObjectModelConstants.ORDER_ASCENDING",
                QueryObjectModelConstants.ORDER_ASCENDING, asc.getOrder());
        assertTrue("Not a PropertyValue operand", asc.getOperand() instanceof PropertyValue);
    }

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    public void testCreateQueryWithConstraintAndOrdering() throws RepositoryException {
        Selector selector = qomFactory.selector(testNodeType);
        PropertyExistence propExist = qomFactory.propertyExistence(propertyName1);
        PropertyValue propValue = qomFactory.propertyValue(propertyName1);
        Ordering ordering = qomFactory.ascending(propValue);
        QueryObjectModel qom = qomFactory.createQuery(selector, propExist,
                new Ordering[]{ordering}, null);
        assertTrue("Not a selector source", qom.getSource() instanceof Selector);
        assertTrue("Not a property existence constraint", qom.getConstraint() instanceof PropertyExistence);
        assertEquals("Wrong size of orderings", 1, qom.getOrderings().length);

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    public void testCreateQueryWithConstraintOrderingAndColumn() throws RepositoryException {
        Selector selector = qomFactory.selector(testNodeType);
        PropertyExistence propExist = qomFactory.propertyExistence(propertyName1);
        PropertyValue propValue = qomFactory.propertyValue(propertyName1);
        Ordering ordering = qomFactory.ascending(propValue);
        Column column = qomFactory.column(propertyName1);
        QueryObjectModel qom = qomFactory.createQuery(selector, propExist,
                new Ordering[]{ordering}, new Column[]{column});
        assertTrue("Not a selector source", qom.getSource() instanceof Selector);
        assertTrue("Not a property existence constraint", qom.getConstraint() instanceof PropertyExistence);

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    public void testCreateQueryFromSourceWithConstraintAndOrdering() throws RepositoryException {
        Source selector = qomFactory.selector(testNodeType);
        PropertyExistence propExist = qomFactory.propertyExistence(propertyName1);
        PropertyValue propValue = qomFactory.propertyValue(propertyName1);
        Ordering ordering = qomFactory.ascending(propValue);
        QueryObjectModel qom = qomFactory.createQuery(selector, propExist,
                new Ordering[]{ordering}, null);
        assertTrue("Not a selector source", qom.getSource() instanceof Selector);
        assertTrue("Not a property existence constraint", qom.getConstraint() instanceof PropertyExistence);
        assertEquals("Wrong size of orderings", 1, qom.getOrderings().length);

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    public void testCreateQueryFromSourceWithConstraintOrderingAndColumn() throws RepositoryException {
        Source selector = qomFactory.selector(testNodeType);
        PropertyExistence propExist = qomFactory.propertyExistence(propertyName1);
        PropertyValue propValue = qomFactory.propertyValue(propertyName1);
        Ordering ordering = qomFactory.ascending(propValue);
        Column column = qomFactory.column(propertyName1);
        QueryObjectModel qom = qomFactory.createQuery(selector, propExist,
                new Ordering[]{ordering}, new Column[]{column});
        assertTrue("Not a selector source", qom.getSource() instanceof Selector);
        assertTrue("Not a property existence constraint", qom.getConstraint() instanceof PropertyExistence);

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    /**
     * Test case for {@link QueryObjectModelFactory#descending(DynamicOperand)}
     */
    public void testOrderingDescending() throws RepositoryException {
        PropertyValue op = qomFactory.propertyValue(propertyName1);
        Ordering desc = qomFactory.descending(op);
        assertEquals("Ordering.getOrder() must return QueryObjectModelConstants.ORDER_DESCENDING",
                QueryObjectModelConstants.ORDER_DESCENDING, desc.getOrder());
        assertTrue("Not a PropertyValue operand", desc.getOperand() instanceof PropertyValue);
    }

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    // Page 157
    private Ordering[] parseOrder() throws RepositoryException {
        ArrayList orderList = new ArrayList();
        do {
            Ordering ordering;
            DynamicOperand op = parseDynamicOperand();
            if (readIf("DESC")) {
                ordering = factory.descending(op);
            } else {
                readIf("ASC");

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     * Test case for {@link QueryObjectModelFactory#and(Constraint, Constraint)}
     */
    public void testAnd() throws RepositoryException {
        PropertyExistence c1 = qomFactory.propertyExistence(propertyName1);
        PropertyExistence c2 = qomFactory.propertyExistence(propertyName2);
        And and = qomFactory.and(c1, c2);
        assertTrue("Not a PropertyExistence constraint",
                and.getConstraint1() instanceof PropertyExistence);
        assertTrue("Not a PropertyExistence constraint",
                and.getConstraint2() instanceof PropertyExistence);
    }

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            read();
            return literal;
        } else if (currentTokenType == PARAMETER) {
            read();
            String name = readName();
            BindVariableValue var = (BindVariableValue) bindVariables.get(name);
            if (var == null) {
                var = factory.bindVariable(name);
                bindVariables.put(name, var);
            }
            return var;

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    /**
     * Test case for {@link QueryObjectModelFactory#bindVariable(String)}
     */
    public void testBindVariableValue() throws RepositoryException {
        BindVariableValue bindVar = qomFactory.bindVariable(propertyName1);
        assertEquals("Wrong variable name", propertyName1, bindVar.getBindVariableName());
    }

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