Examples with Source javax.jcr.query.qom.Source used on opensource projects

Example 6 with Source

use of javax.jcr.query.qom.Source in project jackrabbit by apache.

the class QueryObjectModelFactoryTest method testCreateQueryFromSource.

public void testCreateQueryFromSource() throws RepositoryException {
    Source selector = qf.selector(testNodeType, SELECTOR_NAME1);
    QueryObjectModel qom = qf.createQuery(selector, null, null, null);
    assertTrue("Not a selector source", qom.getSource() instanceof Selector);
    assertNull("Constraint must be null", qom.getConstraint());
    assertEquals("Wrong size of orderings", 0, qom.getOrderings().length);
    assertEquals("Wrong size of columns", 0, qom.getColumns().length);
}

Example 7 with Source

use of javax.jcr.query.qom.Source in project jackrabbit by apache.

the class QueryObjectModelFactoryTest method testCreateQueryFromSourceWithConstraint.

public void testCreateQueryFromSourceWithConstraint() throws RepositoryException {
    Source selector = qf.selector(testNodeType, SELECTOR_NAME1);
    PropertyExistence propExist = qf.propertyExistence(SELECTOR_NAME1, propertyName1);
    QueryObjectModel qom = qf.createQuery(selector, propExist, null, 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", 0, qom.getOrderings().length);
    assertEquals("Wrong size of columns", 0, qom.getColumns().length);
}

Example 8 with Source

use of javax.jcr.query.qom.Source in project jackrabbit by apache.

the class QueryObjectModelFactoryTest method testCreateQueryFromSourceWithConstraintOrderingAndColumn.

public void testCreateQueryFromSourceWithConstraintOrderingAndColumn() throws RepositoryException {
    Source selector = qf.selector(testNodeType, SELECTOR_NAME1);
    PropertyExistence propExist = qf.propertyExistence(SELECTOR_NAME1, propertyName1);
    PropertyValue propValue = qf.propertyValue(SELECTOR_NAME1, propertyName1);
    Ordering ordering = qf.ascending(propValue);
    Column column = qf.column(SELECTOR_NAME1, propertyName1, propertyName1);
    QueryObjectModel qom = qf.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);
    assertEquals("Wrong size of columns", 1, qom.getColumns().length);
}

Example 9 with Source

use of javax.jcr.query.qom.Source in project jackrabbit by apache.

the class Parser method createQueryObjectModel.

/**
 * Parse a JCR-SQL2 query and return the query object model
 *
 * @param query the query string
 * @return the query object model
 * @throws RepositoryException if parsing failed
 */
public QueryObjectModel createQueryObjectModel(String query) throws RepositoryException {
    initialize(query);
    selectors = new ArrayList<Selector>();
    expected = new ArrayList<String>();
    bindVariables = new HashMap<String, BindVariableValue>();
    read();
    read("SELECT");
    int columnParseIndex = parseIndex;
    ArrayList<ColumnOrWildcard> list = parseColumns();
    read("FROM");
    Source source = parseSource();
    Column[] columnArray = resolveColumns(columnParseIndex, list);
    Constraint constraint = null;
    if (readIf("WHERE")) {
        constraint = parseConstraint();
    }
    Ordering[] orderings = null;
    if (readIf("ORDER")) {
        read("BY");
        orderings = parseOrder();
    }
    if (currentToken.length() > 0) {
        throw getSyntaxError("<end>");
    }
    return factory.createQuery(source, constraint, orderings, columnArray);
}

Example 10 with Source

use of javax.jcr.query.qom.Source in project jackrabbit by apache.

the class Parser method parseSource.

private Source parseSource() throws RepositoryException {
    Selector selector = parseSelector();
    selectors.add(selector);
    Source source = selector;
    while (true) {
        JoinType type;
        if (readIf("RIGHT")) {
            read("OUTER");
            type = JoinType.RIGHT;
        } else if (readIf("LEFT")) {
            read("OUTER");
            type = JoinType.LEFT;
        } else if (readIf("INNER")) {
            type = JoinType.INNER;
        } else {
            break;
        }
        read("JOIN");
        selector = parseSelector();
        selectors.add(selector);
        read("ON");
        JoinCondition on = parseJoinCondition();
        source = type.join(factory, source, selector, on);
    }
    return source;
}