Examples with RelationQueryNode org.apache.jackrabbit.spi.commons.query.RelationQueryNode used on opensource projects

Example 6 with RelationQueryNode

use of org.apache.jackrabbit.spi.commons.query.RelationQueryNode in project jackrabbit by apache.

the class XPathQueryBuilder method createNodeTest.

/**
     * Assigns a Name to one of the following QueryNodes:
     * {@link RelationQueryNode}, {@link DerefQueryNode}, {@link RelationQueryNode},
     * {@link PathQueryNode}, {@link OrderQueryNode}, {@link TextsearchQueryNode}.
     *
     * @param node      the current node in the xpath syntax tree.
     * @param queryNode the query node.
     */
private void createNodeTest(SimpleNode node, QueryNode queryNode) {
    if (node.jjtGetNumChildren() > 0) {
        SimpleNode child = (SimpleNode) node.jjtGetChild(0);
        if (child.getId() == JJTQNAME || child.getId() == JJTQNAMEFORITEMTYPE) {
            try {
                Name name = decode(resolver.getQName(child.getValue()));
                if (queryNode.getType() == QueryNode.TYPE_LOCATION) {
                    if (name.equals(JCR_ROOT)) {
                        name = LocationStepQueryNode.EMPTY_NAME;
                    }
                    ((LocationStepQueryNode) queryNode).setNameTest(name);
                } else if (queryNode.getType() == QueryNode.TYPE_DEREF) {
                    ((DerefQueryNode) queryNode).setRefProperty(name);
                } else if (queryNode.getType() == QueryNode.TYPE_RELATION) {
                    Path.Element element = PATH_FACTORY.createElement(name);
                    ((RelationQueryNode) queryNode).addPathElement(element);
                } else if (queryNode.getType() == QueryNode.TYPE_PATH) {
                    root.addSelectProperty(name);
                } else if (queryNode.getType() == QueryNode.TYPE_ORDER) {
                    root.getOrderNode().addOrderSpec(name, true);
                } else if (queryNode.getType() == QueryNode.TYPE_TEXTSEARCH) {
                    TextsearchQueryNode ts = (TextsearchQueryNode) queryNode;
                    ts.addPathElement(PATH_FACTORY.createElement(name));
                    if (isAttributeNameTest(node)) {
                        ts.setReferencesProperty(true);
                    }
                }
            } catch (RepositoryException e) {
                exceptions.add(new InvalidQueryException("Illegal name: " + child.getValue()));
            }
        } else if (child.getId() == JJTSTAR) {
            if (queryNode.getType() == QueryNode.TYPE_LOCATION) {
                ((LocationStepQueryNode) queryNode).setNameTest(null);
            } else if (queryNode.getType() == QueryNode.TYPE_RELATION) {
                ((RelationQueryNode) queryNode).addPathElement(PATH_FACTORY.createElement(RelationQueryNode.STAR_NAME_TEST));
            } else if (queryNode.getType() == QueryNode.TYPE_TEXTSEARCH) {
                ((TextsearchQueryNode) queryNode).addPathElement(PATH_FACTORY.createElement(RelationQueryNode.STAR_NAME_TEST));
            }
        } else {
            exceptions.add(new InvalidQueryException("Unsupported location for name test: " + child));
        }
    }
}

Example 7 with RelationQueryNode

use of org.apache.jackrabbit.spi.commons.query.RelationQueryNode in project jackrabbit by apache.

the class JCRSQLQueryBuilder method createRelationQueryNode.

//------------------------< internal >--------------------------------------
/**
     * Creates a new {@link org.apache.jackrabbit.spi.commons.query.RelationQueryNode}.
     *
     * @param parent        the parent node for the created <code>RelationQueryNode</code>.
     * @param propertyName  the property name for the relation.
     * @param operationType the operation type.
     * @param literal       the literal value for the relation or
     *                      <code>null</code> if the relation does not have a
     *                      literal (e.g. IS NULL).
     * @return a <code>RelationQueryNode</code>.
     * @throws IllegalArgumentException if the literal value does not conform
     *                                  to its type. E.g. a malformed String representation of a date.
     */
private RelationQueryNode createRelationQueryNode(QueryNode parent, Name propertyName, int operationType, ASTLiteral literal) throws IllegalArgumentException {
    RelationQueryNode node = null;
    try {
        Path relPath = null;
        if (propertyName != null) {
            PathBuilder builder = new PathBuilder();
            builder.addLast(propertyName);
            relPath = builder.getPath();
        }
        if (literal == null) {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
        } else if (literal.getType() == QueryConstants.TYPE_DATE) {
            SimpleDateFormat format = new SimpleDateFormat(DATE_PATTERN);
            Date date = format.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(date);
        } else if (literal.getType() == QueryConstants.TYPE_DOUBLE) {
            double d = Double.parseDouble(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDoubleValue(d);
        } else if (literal.getType() == QueryConstants.TYPE_LONG) {
            long l = Long.parseLong(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setLongValue(l);
        } else if (literal.getType() == QueryConstants.TYPE_STRING) {
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setStringValue(literal.getValue());
        } else if (literal.getType() == QueryConstants.TYPE_TIMESTAMP) {
            Calendar c = ISO8601.parse(literal.getValue());
            node = factory.createRelationQueryNode(parent, operationType);
            node.setRelativePath(relPath);
            node.setDateValue(c.getTime());
        }
    } catch (java.text.ParseException e) {
        throw new IllegalArgumentException(e.toString());
    } catch (NumberFormatException e) {
        throw new IllegalArgumentException(e.toString());
    } catch (MalformedPathException e) {
        // path is always valid, but throw anyway
        throw new IllegalArgumentException(e.getMessage());
    }
    if (node == null) {
        throw new IllegalArgumentException("Unknown type for literal: " + literal.getType());
    }
    return node;
}

Example 8 with RelationQueryNode

use of org.apache.jackrabbit.spi.commons.query.RelationQueryNode in project jackrabbit by apache.

the class JCRSQLQueryBuilder method visit.

public Object visit(ASTPredicate node, Object data) {
    NAryQueryNode parent = (NAryQueryNode) data;
    int type = node.getOperationType();
    QueryNode predicateNode;
    try {
        final Name[] tmp = new Name[2];
        final ASTLiteral[] value = new ASTLiteral[1];
        node.childrenAccept(new DefaultParserVisitor() {

            public Object visit(ASTIdentifier node, Object data) {
                if (tmp[0] == null) {
                    tmp[0] = node.getName();
                } else if (tmp[1] == null) {
                    tmp[1] = node.getName();
                }
                return data;
            }

            public Object visit(ASTLiteral node, Object data) {
                value[0] = node;
                return data;
            }

            public Object visit(ASTLowerFunction node, Object data) {
                getIdentifier(node);
                return data;
            }

            public Object visit(ASTUpperFunction node, Object data) {
                getIdentifier(node);
                return data;
            }

            private void getIdentifier(SimpleNode node) {
                if (node.jjtGetNumChildren() > 0) {
                    Node n = node.jjtGetChild(0);
                    if (n instanceof ASTIdentifier) {
                        ASTIdentifier identifier = (ASTIdentifier) n;
                        if (tmp[0] == null) {
                            tmp[0] = identifier.getName();
                        } else if (tmp[1] == null) {
                            tmp[1] = identifier.getName();
                        }
                    }
                }
            }
        }, data);
        Name identifier = tmp[0];
        if (identifier != null && identifier.equals(NameConstants.JCR_PATH)) {
            if (tmp[1] != null) {
            // simply ignore, this is a join of a mixin node type
            } else {
                createPathQuery(value[0].getValue(), parent.getType());
            }
            // done
            return data;
        }
        if (type == QueryConstants.OPERATION_BETWEEN) {
            AndQueryNode between = factory.createAndQueryNode(parent);
            RelationQueryNode rel = createRelationQueryNode(between, identifier, QueryConstants.OPERATION_GE_GENERAL, (ASTLiteral) node.children[1]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            rel = createRelationQueryNode(between, identifier, QueryConstants.OPERATION_LE_GENERAL, (ASTLiteral) node.children[2]);
            node.childrenAccept(this, rel);
            between.addOperand(rel);
            predicateNode = between;
        } else if (type == QueryConstants.OPERATION_GE_GENERAL || type == QueryConstants.OPERATION_GT_GENERAL || type == QueryConstants.OPERATION_LE_GENERAL || type == QueryConstants.OPERATION_LT_GENERAL || type == QueryConstants.OPERATION_NE_GENERAL || type == QueryConstants.OPERATION_EQ_GENERAL) {
            predicateNode = createRelationQueryNode(parent, identifier, type, value[0]);
            node.childrenAccept(this, predicateNode);
        } else if (type == QueryConstants.OPERATION_LIKE) {
            ASTLiteral pattern = value[0];
            if (node.getEscapeString() != null) {
                if (node.getEscapeString().length() == 1) {
                    // backslash is the escape character we use internally
                    pattern.setValue(translateEscaping(pattern.getValue(), node.getEscapeString().charAt(0), '\\'));
                } else {
                    throw new IllegalArgumentException("ESCAPE string value must have length 1: '" + node.getEscapeString() + "'");
                }
            } else {
                // no escape character specified.
                // if the pattern contains any backslash characters we need
                // to escape them.
                pattern.setValue(pattern.getValue().replaceAll("\\\\", "\\\\\\\\"));
            }
            predicateNode = createRelationQueryNode(parent, identifier, type, pattern);
            node.childrenAccept(this, predicateNode);
        } else if (type == QueryConstants.OPERATION_IN) {
            OrQueryNode in = factory.createOrQueryNode(parent);
            for (int i = 1; i < node.children.length; i++) {
                RelationQueryNode rel = createRelationQueryNode(in, identifier, QueryConstants.OPERATION_EQ_VALUE, (ASTLiteral) node.children[i]);
                node.childrenAccept(this, rel);
                in.addOperand(rel);
            }
            predicateNode = in;
        } else if (type == QueryConstants.OPERATION_NULL || type == QueryConstants.OPERATION_NOT_NULL) {
            predicateNode = createRelationQueryNode(parent, identifier, type, null);
        } else if (type == QueryConstants.OPERATION_SIMILAR) {
            ASTLiteral literal;
            if (node.children.length == 1) {
                literal = (ASTLiteral) node.children[0];
            } else {
                literal = (ASTLiteral) node.children[1];
            }
            predicateNode = createRelationQueryNode(parent, identifier, type, literal);
        } else if (type == QueryConstants.OPERATION_SPELLCHECK) {
            predicateNode = createRelationQueryNode(parent, NameConstants.JCR_PRIMARYTYPE, type, (ASTLiteral) node.children[0]);
        } else {
            throw new IllegalArgumentException("Unknown operation type: " + type);
        }
    } catch (ArrayIndexOutOfBoundsException e) {
        throw new IllegalArgumentException("Too few arguments in predicate");
    }
    if (predicateNode != null) {
        parent.addOperand(predicateNode);
    }
    return data;
}

Example 9 with RelationQueryNode

use of org.apache.jackrabbit.spi.commons.query.RelationQueryNode in project jackrabbit by apache.

the class JCRSQLQueryBuilder method visit.

public Object visit(ASTUpperFunction node, Object data) {
    RelationQueryNode parent = (RelationQueryNode) data;
    if (parent.getValueType() != QueryConstants.TYPE_STRING) {
        String msg = "UPPER() function is only supported for String literal";
        throw new IllegalArgumentException(msg);
    }
    parent.addOperand(factory.createPropertyFunctionQueryNode(parent, PropertyFunctionQueryNode.UPPER_CASE));
    return parent;
}