Examples of org.apache.jackrabbit.core.query.jsr283.qom.Constraint

Package org.apache.jackrabbit.core.query.jsr283.qom

Examples of org.apache.jackrabbit.core.query.jsr283.qom.Constraint

org.apache.jackrabbit.core.query.jsr283.qom.Constraint
Filters the set of node-tuples formed by evaluating the query's selectors and the joins between them.
To be included in the query results, a node-tuple must satisfy the constraint. @since JCR 2.0


    /**
     * Test case for {@link QueryObjectModelFactory#column(String, String, String)}
     */
    public void testColumnWithSelector() throws RepositoryException {
        Column col = qomFactory.column(SELECTOR_NAME1, propertyName1, COLUMN_NAME);
        assertEquals("Wrong selector name", SELECTOR_NAME1, col.getSelectorName());
        assertEquals("Wrong property name", propertyName1, col.getPropertyName());
        assertEquals("Wrong column name", COLUMN_NAME, col.getColumnName());
    }

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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);
        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);
        assertEquals("Wrong size of orderings", 1, qom.getOrderings().length);

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                for (int j = 0; j < selectors.size(); j++) {
                    Selector selector = (Selector) selectors.get(j);
                    if (c.selectorName == null
                            || c.selectorName
                                    .equals(selector.getSelectorName())) {
                        Column column = factory.column(selector
                                .getSelectorName(), null, null);
                        columns.add(column);
                    }
                }
            } else {
                Column column;
                if (c.selectorName != null) {
                    column = factory.column(c.selectorName, c.propertyName, c.columnName);
                } else if (c.columnName != null) {
                    column = factory.column(c.propertyName, c.columnName);
                } else {

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    public void testComparison() throws RepositoryException {
        PropertyValue op1 = qomFactory.propertyValue(propertyName1);
        BindVariableValue op2 = qomFactory.bindVariable(VARIABLE_NAME);
        for (Iterator it = OPERATORS.iterator(); it.hasNext(); ) {
            int operator = ((Integer) it.next()).intValue();
            Comparison comp = qomFactory.comparison(op1, operator, op2);
            assertTrue("Not a PropertyValue operand", comp.getOperand1() instanceof PropertyValue);
            assertTrue("Not a BindVariableValue operand", comp.getOperand2() instanceof BindVariableValue);
            assertEquals("Wrong operator", operator, comp.getOperator());
        }
    }

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        read("SELECT");
        ArrayList list = parseColumns();
        read("FROM");
        Source source = parseSource();
        Column[] columnArray = resolveColumns(list);
        Constraint constraint = null;
        if (readIf("WHERE")) {
            constraint = parseConstraint();
        }
        Ordering[] orderings = null;
        if (readIf("ORDER")) {

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        }
    }
    
    // Page 136
    private Constraint parseConstraint() throws RepositoryException {
        Constraint a = parseAnd();
        while (readIf("OR")) {
            a = factory.or(a, parseAnd());
        }
        return a;
    }

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        }
        return a;
    }


    private Constraint parseAnd() throws RepositoryException {
        Constraint a = parseCondition();
        while (readIf("AND")) {
            a = factory.and(a, parseCondition());
        }
        return a;
    }

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        return a;
    }
    
    // Page 138
    private Constraint parseCondition() throws RepositoryException {
        Constraint a;
        if (readIf("NOT")) {
            a = parseConstraint();
        } else if (readIf("(")) {
            a = parseConstraint();
            read(")");

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        return a;
    }
    
    // Page 141
    private Constraint parseCondition(DynamicOperand left) throws RepositoryException {
        Constraint c;
        if (readIf("=")) {
            c = factory.comparison(left,
                    QueryObjectModelConstants.OPERATOR_EQUAL_TO,
                    parseStaticOperand());
        } else if (readIf("<>")) {

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org.apache.jackrabbit.api.jsr283.query.qom.AbstractJoinTest

org.apache.jackrabbit.core.query.qom.QueryObjectModelFactoryTest

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