Examples with LiteralImpl org.apache.jackrabbit.oak.query.ast.LiteralImpl used on opensource projects

Example 1 with LiteralImpl

use of org.apache.jackrabbit.oak.query.ast.LiteralImpl in project jackrabbit-oak by apache.

the class SimpleExcerptProvider method extractFulltext.

private static Set<String> extractFulltext(ConstraintImpl c) {
    Set<String> tokens = new HashSet<String>();
    // as it will break without us noticing if we extend the AST
    if (c instanceof FullTextSearchImpl) {
        FullTextSearchImpl f = (FullTextSearchImpl) c;
        if (f.getFullTextSearchExpression() instanceof LiteralImpl) {
            LiteralImpl l = (LiteralImpl) f.getFullTextSearchExpression();
            tokens.add(l.getLiteralValue().getValue(Type.STRING));
        }
    }
    if (c instanceof AndImpl) {
        for (ConstraintImpl constraint : ((AndImpl) c).getConstraints()) {
            tokens.addAll(extractFulltext(constraint));
        }
    }
    if (c instanceof OrImpl) {
        for (ConstraintImpl constraint : ((OrImpl) c).getConstraints()) {
            tokens.addAll(extractFulltext(constraint));
        }
    }
    return tokens;
}

Example 2 with LiteralImpl

use of org.apache.jackrabbit.oak.query.ast.LiteralImpl in project jackrabbit-oak by apache.

the class SimpleExcerptProvider method extractFulltext.

private static Set<String> extractFulltext(ConstraintImpl c) {
    Set<String> tokens = new HashSet<String>();
    // as it will break without us noticing if we extend the AST
    if (c instanceof FullTextSearchImpl) {
        FullTextSearchImpl f = (FullTextSearchImpl) c;
        if (f.getFullTextSearchExpression() instanceof LiteralImpl) {
            LiteralImpl l = (LiteralImpl) f.getFullTextSearchExpression();
            tokens.add(l.getLiteralValue().getValue(Type.STRING));
        }
    }
    if (c instanceof AndImpl) {
        for (ConstraintImpl constraint : ((AndImpl) c).getConstraints()) {
            tokens.addAll(extractFulltext(constraint));
        }
    }
    if (c instanceof OrImpl) {
        for (ConstraintImpl constraint : ((OrImpl) c).getConstraints()) {
            tokens.addAll(extractFulltext(constraint));
        }
    }
    return tokens;
}

Example 3 with LiteralImpl

use of org.apache.jackrabbit.oak.query.ast.LiteralImpl in project jackrabbit-oak by apache.

the class SQL2Parser method parseStaticOperand.

private StaticOperandImpl parseStaticOperand() throws ParseException {
    if (currentTokenType == PLUS) {
        read();
        if (currentTokenType != VALUE) {
            throw getSyntaxError("number");
        }
        int valueType = currentValue.getType().tag();
        switch(valueType) {
            case PropertyType.LONG:
                currentValue = PropertyValues.newLong(currentValue.getValue(Type.LONG));
                break;
            case PropertyType.DOUBLE:
                currentValue = PropertyValues.newDouble(currentValue.getValue(Type.DOUBLE));
                break;
            case PropertyType.DECIMAL:
                currentValue = PropertyValues.newDecimal(currentValue.getValue(Type.DECIMAL).negate());
                break;
            default:
                throw getSyntaxError("Illegal operation: + " + currentValue);
        }
    } else if (currentTokenType == MINUS) {
        read();
        if (currentTokenType != VALUE) {
            throw getSyntaxError("number");
        }
        int valueType = currentValue.getType().tag();
        switch(valueType) {
            case PropertyType.LONG:
                currentValue = PropertyValues.newLong(-currentValue.getValue(Type.LONG));
                break;
            case PropertyType.DOUBLE:
                currentValue = PropertyValues.newDouble(-currentValue.getValue(Type.DOUBLE));
                break;
            case PropertyType.BOOLEAN:
                currentValue = PropertyValues.newBoolean(!currentValue.getValue(Type.BOOLEAN));
                break;
            case PropertyType.DECIMAL:
                currentValue = PropertyValues.newDecimal(currentValue.getValue(Type.DECIMAL).negate());
                break;
            default:
                throw getSyntaxError("Illegal operation: -" + currentValue);
        }
    }
    if (currentTokenType == VALUE) {
        LiteralImpl literal = getUncastLiteral(currentValue);
        read();
        return literal;
    } else if (currentTokenType == PARAMETER) {
        read();
        String name = readName();
        if (readIf(":")) {
            name = name + ':' + readName();
        }
        BindVariableValueImpl var = bindVariables.get(name);
        if (var == null) {
            var = factory.bindVariable(name);
            bindVariables.put(name, var);
        }
        return var;
    } else if (readIf("TRUE")) {
        LiteralImpl literal = getUncastLiteral(PropertyValues.newBoolean(true));
        return literal;
    } else if (readIf("FALSE")) {
        LiteralImpl literal = getUncastLiteral(PropertyValues.newBoolean(false));
        return literal;
    } else if (readIf("CAST")) {
        read("(");
        StaticOperandImpl op = parseStaticOperand();
        if (!(op instanceof LiteralImpl)) {
            throw getSyntaxError("literal");
        }
        LiteralImpl literal = (LiteralImpl) op;
        PropertyValue value = literal.getLiteralValue();
        read("AS");
        value = parseCastAs(value);
        read(")");
        // CastLiteral
        literal = factory.literal(value);
        return literal;
    } else {
        if (supportSQL1) {
            if (readIf("TIMESTAMP")) {
                StaticOperandImpl op = parseStaticOperand();
                if (!(op instanceof LiteralImpl)) {
                    throw getSyntaxError("literal");
                }
                LiteralImpl literal = (LiteralImpl) op;
                PropertyValue value = literal.getLiteralValue();
                value = PropertyValues.newDate(value.getValue(Type.DATE));
                literal = factory.literal(value);
                return literal;
            }
        }
        throw getSyntaxError("static operand");
    }
}

Example 4 with LiteralImpl

use of org.apache.jackrabbit.oak.query.ast.LiteralImpl in project jackrabbit-oak by apache.

the class SQL2Parser method parseCondition.

private ConstraintImpl parseCondition(DynamicOperandImpl left) throws ParseException {
    ConstraintImpl c;
    if (readIf("=")) {
        c = factory.comparison(left, Operator.EQUAL, parseStaticOperand());
    } else if (readIf("<>")) {
        c = factory.comparison(left, Operator.NOT_EQUAL, parseStaticOperand());
    } else if (readIf("<")) {
        c = factory.comparison(left, Operator.LESS_THAN, parseStaticOperand());
    } else if (readIf(">")) {
        c = factory.comparison(left, Operator.GREATER_THAN, parseStaticOperand());
    } else if (readIf("<=")) {
        c = factory.comparison(left, Operator.LESS_OR_EQUAL, parseStaticOperand());
    } else if (readIf(">=")) {
        c = factory.comparison(left, Operator.GREATER_OR_EQUAL, parseStaticOperand());
    } else if (readIf("LIKE")) {
        c = factory.comparison(left, Operator.LIKE, parseStaticOperand());
        if (supportSQL1) {
            if (readIf("ESCAPE")) {
                StaticOperandImpl esc = parseStaticOperand();
                if (!(esc instanceof LiteralImpl)) {
                    throw getSyntaxError("only ESCAPE '\' is supported");
                }
                PropertyValue v = ((LiteralImpl) esc).getLiteralValue();
                if (!v.getValue(Type.STRING).equals("\\")) {
                    throw getSyntaxError("only ESCAPE '\' is supported");
                }
            }
        }
    } else if (readIf("IN")) {
        read("(");
        ArrayList<StaticOperandImpl> list = new ArrayList<StaticOperandImpl>();
        do {
            StaticOperandImpl x = parseStaticOperand();
            list.add(x);
        } while (readIf(","));
        read(")");
        c = factory.in(left, list);
    } else if (readIf("IS")) {
        boolean not = readIf("NOT");
        read("NULL");
        if (!(left instanceof PropertyValueImpl)) {
            throw getSyntaxError("propertyName (NOT NULL is only supported for properties)");
        }
        PropertyValueImpl p = (PropertyValueImpl) left;
        if (not) {
            c = getPropertyExistence(p);
        } else {
            c = getPropertyInexistence(p);
        }
    } else if (readIf("NOT")) {
        if (readIf("IS")) {
            read("NULL");
            if (!(left instanceof PropertyValueImpl)) {
                throw new ParseException("Only property values can be tested for NOT IS NULL; got: " + left.getClass().getName(), parseIndex);
            }
            PropertyValueImpl pv = (PropertyValueImpl) left;
            c = getPropertyExistence(pv);
        } else {
            read("LIKE");
            c = factory.comparison(left, Operator.LIKE, parseStaticOperand());
            c = factory.not(c);
        }
    } else {
        throw getSyntaxError();
    }
    return c;
}

Example 5 with LiteralImpl

use of org.apache.jackrabbit.oak.query.ast.LiteralImpl in project jackrabbit-oak by apache.

the class QueryImpl method init.

@Override
public void init() {
    final QueryImpl query = this;
    if (constraint != null) {
        // need to do this *before* the visitation below, as the
        // simplify() method does not always keep the query reference
        // passed in setQuery(). TODO: avoid that mutability concern
        constraint = constraint.simplify();
    }
    new AstVisitorBase() {

        @Override
        public boolean visit(BindVariableValueImpl node) {
            node.setQuery(query);
            bindVariableMap.put(node.getBindVariableName(), null);
            return true;
        }

        @Override
        public boolean visit(ChildNodeImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(ChildNodeJoinConditionImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(CoalesceImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(ColumnImpl node) {
            node.setQuery(query);
            return true;
        }

        @Override
        public boolean visit(DescendantNodeImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(DescendantNodeJoinConditionImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(EquiJoinConditionImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(FullTextSearchImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return super.visit(node);
        }

        @Override
        public boolean visit(NativeFunctionImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return super.visit(node);
        }

        @Override
        public boolean visit(SimilarImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return super.visit(node);
        }

        @Override
        public boolean visit(SpellcheckImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return super.visit(node);
        }

        @Override
        public boolean visit(SuggestImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return super.visit(node);
        }

        @Override
        public boolean visit(FullTextSearchScoreImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(LiteralImpl node) {
            node.setQuery(query);
            return true;
        }

        @Override
        public boolean visit(NodeLocalNameImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(NodeNameImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(PropertyExistenceImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(PropertyInexistenceImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(PropertyValueImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(SameNodeImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(SameNodeJoinConditionImpl node) {
            node.setQuery(query);
            node.bindSelector(source);
            return true;
        }

        @Override
        public boolean visit(SelectorImpl node) {
            String name = node.getSelectorName();
            if (selectorIndexes.put(name, selectors.size()) != null) {
                throw new IllegalArgumentException("Two selectors with the same name: " + name);
            }
            selectors.add(node);
            node.setQuery(query);
            return true;
        }

        @Override
        public boolean visit(LengthImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(UpperCaseImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(LowerCaseImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(ComparisonImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(InImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(AndImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(OrImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }

        @Override
        public boolean visit(NotImpl node) {
            node.setQuery(query);
            return super.visit(node);
        }
    }.visit(this);
    source.setQueryConstraint(constraint);
    for (ColumnImpl column : columns) {
        column.bindSelector(source);
    }
    distinctColumns = new boolean[columns.length];
    for (int i = 0; i < columns.length; i++) {
        ColumnImpl c = columns[i];
        boolean distinct = true;
        if (QueryConstants.JCR_SCORE.equals(c.getPropertyName())) {
            distinct = false;
        }
        distinctColumns[i] = distinct;
    }
    init = true;
}