Examples of org.apache.cayenne.ejbql.EJBQLException

org.apache.cayenne.ejbql.EJBQLException
An exception thrown on errors during parsing EJBQL statements. @since 3.0

            for (EJBQLPath path : paths) {
                String id = normalizeIdPath(path.getId());


                ClassDescriptor descriptor = descriptorsById.get(id);
                if (descriptor == null) {
                    throw new EJBQLException("Unmapped id variable: " + id);
                }


                StringBuilder buffer = new StringBuilder(id);


                for (int i = 1; i < path.getChildrenCount(); i++) {

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            if (finishedChildIndex + 1 == expression.getChildrenCount()) {


                // resolve class descriptor
                ClassDescriptor descriptor = resolver.getClassDescriptor(entityName);
                if (descriptor == null) {
                    throw new EJBQLException("Unmapped abstract schema name: "
                            + entityName);
                }


                // per JPA spec, 4.4.2, "Identification variables are case insensitive."
                String id = normalizeIdPath(expression.getId());


                ClassDescriptor old = descriptorsById.put(id, descriptor);
                if (old != null && old != descriptor) {
                    throw new EJBQLException(
                            "Duplicate identification variable definition: "
                                    + id
                                    + ", it is already used for "
                                    + old.getEntity().getName());
                }

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            if (finishedChildIndex + 1 < expression.getChildrenCount()) {
                this.id = ((EJBQLPath) expression).getId();
                this.descriptor = descriptorsById.get(id);


                if (descriptor == null) {
                    throw new EJBQLException("Unmapped id variable: " + id);
                }
            }


            return true;
        }

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            if (property instanceof ArcProperty) {
                incoming = ((ArcProperty) property).getRelationship();
                descriptor = ((ArcProperty) property).getTargetDescriptor();
            }
            else {
                throw new EJBQLException("Incorrect relationship path: "
                        + expression.getText());
            }


            return true;
        }

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                String aliasId = expression.getText();


                // map id variable to class descriptor
                ClassDescriptor old = descriptorsById.put(aliasId, descriptor);
                if (old != null && old != descriptor) {
                    throw new EJBQLException(
                            "Duplicate identification variable definition: "
                                    + aliasId
                                    + ", it is already used for "
                                    + old.getEntity().getName());
                }

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            idAliases.put(alias, id);
            return alias;
        }


        throw new EJBQLException("Failed to create id alias");
    }

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     */
    EntityResult nextEntityResult() {


        SQLResultSetMapping resultSetMapping = compiledExpression.getResultSetMapping();
        if (resultSetMapping == null) {
            throw new EJBQLException(
                    "No result set mapping exists for expression, can't map EntityResult");
        }


        return resultSetMapping.getEntityResult(resultDescriptorPosition++);
    }

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     */
    String nextColumnAlias() {


        SQLResultSetMapping resultSetMapping = compiledExpression.getResultSetMapping();
        if (resultSetMapping == null) {
            throw new EJBQLException(
                    "No result set mapping exists for expression, can't map column aliases");
        }


        return resultSetMapping.getColumnResult(resultDescriptorPosition++);
    }

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            EJBQLTableId rhsId,
            String semantics) {


        List<DbRelationship> joinRelationships = context.getIncomingRelationships(rhsId);
        if (joinRelationships.isEmpty()) {
            throw new EJBQLException("No join configured for id " + rhsId);
        }


        // TODO: andrus, 4/8/2007 - support for flattened relationships
        DbRelationship incomingDB = joinRelationships.get(0);

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        // also note that the code below is mostly copy/paste from MEMBER OF method ...
        // maybe there's enough commonality in building correlated subqueries to make it
        // reusable???


        if (expression.getChildrenCount() != 1) {
            throw new EJBQLException("SIZE must have exactly one child, got: "
                    + expression.getChildrenCount());
        }


        if (!(expression.getChild(0) instanceof EJBQLPath)) {
            throw new EJBQLException(
                    "First child of SIZE must be a collection path, got: "
                            + expression.getChild(1));
        }


        EJBQLPath path = (EJBQLPath) expression.getChild(0);

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org.apache.cayenne.access.jdbc.EJBQLAggregateColumnTranslator$FieldPathTranslator

org.apache.cayenne.access.jdbc.EJBQLConditionTranslator

org.apache.cayenne.access.jdbc.EJBQLDbPathTranslator

org.apache.cayenne.access.jdbc.EJBQLFromTranslator

org.apache.cayenne.access.jdbc.EJBQLGroupByTranslator

org.apache.cayenne.access.jdbc.EJBQLJoinAppender

org.apache.cayenne.access.jdbc.EJBQLMultiColumnOperand$ObjectMultiColumnOperand

org.apache.cayenne.access.jdbc.EJBQLMultiColumnOperand$PathMultiColumnOperand

org.apache.cayenne.access.jdbc.EJBQLOrderByTranslator

org.apache.cayenne.access.jdbc.EJBQLPathTranslator

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