Package javax.jcr.query.qom

Examples of javax.jcr.query.qom.Constraint

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        }

        if (rightConstraints.size() < 500) {
            Set<Row> rightRows = new TreeSet<Row>(comparator);
            List<Constraint> localRightContraints = rightConstraints;
            Constraint rightConstraint = Constraints.and(qomFactory,
                    Constraints.or(qomFactory, localRightContraints),
                    csi.getRightConstraint());
            if (ignoreWhereConstraints) {
                rightConstraint = Constraints.or(qomFactory,
                        localRightContraints);
            }
            QueryResult rightResult = execute(null, csi.getSource().getRight(),
                    rightConstraint, null, 0, -1, printIndentation);
            for (Row row : JcrUtils.getRows(rightResult)) {
                rightRows.add(row);
            }
            return rightRows;
        }

        // the 'batch by 500' approach
        Set<Row> rightRows = new TreeSet<Row>(comparator);
        for (int i = 0; i < rightConstraints.size(); i += 500) {
            if (log.isDebugEnabled()) {
                log.debug(genString(printIndentation)
                        + "SQL2 JOIN RIGHT SIDE executing batch # " + i + ".");
            }
            List<Constraint> localRightContraints = rightConstraints.subList(i,
                    Math.min(i + 500, rightConstraints.size()));
            Constraint rightConstraint = Constraints.and(qomFactory,
                    Constraints.or(qomFactory, localRightContraints),
                    csi.getRightConstraint());
            if (ignoreWhereConstraints) {
                rightConstraint = Constraints.or(qomFactory,
                        localRightContraints);
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        f = qm.getQOMFactory();
    }

    @Test
    public void and() throws RepositoryException {
        Constraint c0 = f.propertyExistence("x", "c0");
        Constraint c1 = f.propertyExistence("x", "c1");
        And and = f.and(c0, c1);
        assertEquals(and.getConstraint1(), c0);
        assertEquals(and.getConstraint2(), c1);
    }
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        assertEquals("selectorName", n.getSelectorName());
    }

    @Test
    public void not() throws RepositoryException {
        Constraint c = f.propertyExistence("x", "c0");
        Not n = f.not(c);
        assertEquals(c, n.getConstraint());
    }
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        assertEquals(c, n.getConstraint());
    }

    @Test
    public void or() throws RepositoryException {
        Constraint c0 = f.propertyExistence("x", "c0");
        Constraint c1 = f.propertyExistence("x", "c1");
        Or or = f.or(c0, c1);
        assertEquals(or.getConstraint1(), c0);
        assertEquals(or.getConstraint2(), c1);
    }
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    @Test
    public void createQuery() throws RepositoryException {
        Selector s = f.selector("nodeTypeName", "x");
        BindVariableValue b = f.bindVariable("var");
        Constraint c = f.propertyExistence("x", "c");
        PropertyValue p = f.propertyValue("x", "propertyName");
        c = f.and(f.comparison(p, QueryObjectModelConstants.JCR_OPERATOR_EQUAL_TO, b), c);
        Ordering o = f.ascending(p);
        Column col = f.column("selectorName", "propertyName", "columnName");
        Ordering[] ords = new Ordering[]{o};
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        }

        if (rightConstraints.size() < 500) {
            Set<Row> rightRows = new TreeSet<Row>(comparator);
            List<Constraint> localRightContraints = rightConstraints;
            Constraint rightConstraint = Constraints.and(qomFactory,
                    Constraints.or(qomFactory, localRightContraints),
                    csi.getRightConstraint());
            if (ignoreWhereConstraints) {
                rightConstraint = Constraints.or(qomFactory,
                        localRightContraints);
            }
            QueryResult rightResult = execute(null, csi.getSource().getRight(),
                    rightConstraint, null, 0, -1, printIndentation);
            for (Row row : JcrUtils.getRows(rightResult)) {
                rightRows.add(row);
            }
            return rightRows;
        }

        // the 'batch by 500' approach
        Set<Row> rightRows = new TreeSet<Row>(comparator);
        for (int i = 0; i < rightConstraints.size(); i += 500) {
            if (log.isDebugEnabled()) {
                log.debug(genString(printIndentation)
                        + "SQL2 JOIN RIGHT SIDE executing batch # " + i + ".");
            }
            List<Constraint> localRightContraints = rightConstraints.subList(i,
                    Math.min(i + 500, rightConstraints.size()));
            Constraint rightConstraint = Constraints.and(qomFactory,
                    Constraints.or(qomFactory, localRightContraints),
                    csi.getRightConstraint());
            if (ignoreWhereConstraints) {
                rightConstraint = Constraints.or(qomFactory,
                        localRightContraints);
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                                           JoinCondition condition,
                                           Constraint left,
                                           Constraint right)
            throws RepositoryException {
        // only consider nodes under test root
        Constraint constraint;
        if (QueryObjectModelConstants.JCR_JOIN_TYPE_LEFT_OUTER.equals(joinType)) {
            constraint = qf.descendantNode(LEFT, testRoot);
        } else {
            constraint = qf.descendantNode(RIGHT, testRoot);
        }
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        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")) {
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            return factory.equiJoinCondition(selector1, property1, selector2, readName());
        }
    }

    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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Related Classes of javax.jcr.query.qom.Constraint

  • org.apache.jackrabbit.commons.query.sql2.Parser
  • org.apache.jackrabbit.commons.query.sql2.QOMFormatter
  • org.apache.jackrabbit.core.query.lucene.join.ConstraintSplitter
  • org.apache.jackrabbit.core.query.lucene.join.JahiaQueryEngine
  • org.apache.jackrabbit.core.query.lucene.join.QueryEngine
  • org.apache.jackrabbit.core.query.SQL2PathEscapingTest
  • org.apache.jackrabbit.oak.jcr.query.qom.QomTest
  • org.apache.jackrabbit.spi.commons.query.sql2.Parser
  • org.apache.jackrabbit.spi.commons.query.sql2.QOMFormatter
  • org.apache.jackrabbit.test.api.query.qom.AbstractJoinTest
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