Examples with PersistentEntityRoot io.micronaut.data.model.jpa.criteria.PersistentEntityRoot used on opensource projects

Example 1 with PersistentEntityRoot

use of io.micronaut.data.model.jpa.criteria.PersistentEntityRoot in project micronaut-data by micronaut-projects.

the class UpdateMethodMatcher method batchUpdate.

private UpdateCriteriaMethodMatch batchUpdate(java.util.regex.Matcher matcher, ParameterElement idParameter) {
    return new UpdateCriteriaMethodMatch(matcher) {

        @Override
        protected <T> void applyPredicates(String querySequence, ParameterElement[] parameters, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            super.applyPredicates(querySequence, parameters, root, query, cb);
            ParameterElement versionParameter = Arrays.stream(parameters).filter(p -> p.hasAnnotation(Version.class)).findFirst().orElse(null);
            Predicate predicate;
            if (versionParameter != null) {
                predicate = cb.and(cb.equal(root.id(), cb.parameter(idParameter)), cb.equal(root.version(), cb.parameter(versionParameter)));
            } else {
                predicate = cb.equal(root.id(), cb.parameter(idParameter));
            }
            query.where(predicate);
        }

        @Override
        protected <T> void applyPredicates(List<ParameterElement> parameters, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            ParameterElement versionParameter = parameters.stream().filter(p -> p.hasAnnotation(Version.class)).findFirst().orElse(null);
            Predicate predicate;
            if (versionParameter != null) {
                predicate = cb.and(cb.equal(root.id(), cb.parameter(idParameter)), cb.equal(root.version(), cb.parameter(versionParameter)));
            } else {
                predicate = cb.equal(root.id(), cb.parameter(idParameter));
            }
            query.where(predicate);
        }

        @Override
        protected <T> void addPropertiesToUpdate(MethodMatchContext matchContext, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            List<ParameterElement> parameters = matchContext.getParametersNotInRole();
            List<ParameterElement> remainingParameters = parameters.stream().filter(p -> !p.hasAnnotation(Id.class) && !p.hasAnnotation(Version.class)).collect(Collectors.toList());
            ParameterElement idParameter = parameters.stream().filter(p -> p.hasAnnotation(Id.class)).findFirst().orElse(null);
            if (idParameter == null) {
                throw new MatchFailedException("ID required for update method, but not specified");
            }
            SourcePersistentEntity entity = (SourcePersistentEntity) root.getPersistentEntity();
            // Validate @IdClass for composite entity
            if (entity.hasIdentity()) {
                SourcePersistentProperty identity = entity.getIdentity();
                String idType = TypeUtils.getTypeName(identity.getType());
                String idParameterType = TypeUtils.getTypeName(idParameter.getType());
                if (!idType.equals(idParameterType)) {
                    throw new MatchFailedException("ID type of method [" + idParameterType + "] does not match ID type of entity: " + idType);
                }
            } else {
                throw new MatchFailedException("Cannot update by ID for entity that has no ID");
            }
            for (ParameterElement parameter : remainingParameters) {
                String name = getParameterName(parameter);
                SourcePersistentProperty prop = entity.getPropertyByName(name);
                if (prop == null) {
                    throw new MatchFailedException("Cannot update non-existent property: " + name);
                } else {
                    if (prop.isGenerated()) {
                        throw new MatchFailedException("Cannot update a generated property: " + name);
                    } else {
                        query.set(name, cb.parameter(parameter));
                    }
                }
            }
        }
    };
}

Example 2 with PersistentEntityRoot

use of io.micronaut.data.model.jpa.criteria.PersistentEntityRoot in project micronaut-data by micronaut-projects.

the class UpdateMethodMatcher method batchUpdate2.

private UpdateCriteriaMethodMatch batchUpdate2(java.util.regex.Matcher matcher) {
    return new UpdateCriteriaMethodMatch(matcher) {

        @Override
        protected <T> void addPropertiesToUpdate(MethodMatchContext matchContext, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            Set<String> queryParameters = query.getParameters().stream().map(ParameterExpression::getName).collect(Collectors.toSet());
            for (ParameterElement p : matchContext.getParametersNotInRole()) {
                String parameterName = getParameterName(p);
                if (queryParameters.contains(parameterName)) {
                    continue;
                }
                PersistentPropertyPath path = root.getPersistentEntity().getPropertyPath(parameterName);
                if (path != null) {
                    query.set(path.getProperty().getName(), cb.parameter(p));
                } else {
                    throw new MatchFailedException("Cannot perform batch update for non-existent property: " + parameterName);
                }
            }
        }
    };
}

Example 3 with PersistentEntityRoot

use of io.micronaut.data.model.jpa.criteria.PersistentEntityRoot in project micronaut-data by micronaut-projects.

the class UpdateMethodMatcher method entityUpdate.

private UpdateCriteriaMethodMatch entityUpdate(java.util.regex.Matcher matcher, ParameterElement entityParameter, ParameterElement entitiesParameter) {
    return new UpdateCriteriaMethodMatch(matcher) {

        ParameterElement entityParam = entityParameter == null ? entitiesParameter : entityParameter;

        @Override
        protected <T> void applyPredicates(List<ParameterElement> parameters, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            final SourcePersistentEntity rootEntity = (SourcePersistentEntity) root.getPersistentEntity();
            Predicate predicate;
            if (rootEntity.getVersion() != null) {
                predicate = cb.and(cb.equal(root.id(), cb.entityPropertyParameter(entityParam)), cb.equal(root.version(), cb.entityPropertyParameter(entityParam)));
            } else {
                predicate = cb.equal(root.id(), cb.entityPropertyParameter(entityParam));
            }
            query.where(predicate);
        }

        @Override
        protected <T> void addPropertiesToUpdate(MethodMatchContext matchContext, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
            final SourcePersistentEntity rootEntity = matchContext.getRootEntity();
            Stream.concat(rootEntity.getPersistentProperties().stream(), Stream.of(rootEntity.getVersion())).filter(p -> p != null && !((p instanceof Association) && ((Association) p).isForeignKey()) && !p.isGenerated() && p.findAnnotation(AutoPopulated.class).map(ap -> ap.getRequiredValue(AutoPopulated.UPDATEABLE, Boolean.class)).orElse(true)).forEach(p -> query.set(p.getName(), cb.entityPropertyParameter(entityParam)));
            if (((AbstractPersistentEntityCriteriaUpdate<T>) query).getUpdateValues().isEmpty()) {
                // Workaround for only ID entities
                query.set(rootEntity.getIdentity().getName(), cb.entityPropertyParameter(entityParam));
            }
        }

        @Override
        protected boolean supportedByImplicitQueries() {
            return true;
        }

        @Override
        protected Map.Entry<ClassElement, Class<? extends DataInterceptor>> resolveReturnTypeAndInterceptor(MethodMatchContext matchContext) {
            Map.Entry<ClassElement, Class<? extends DataInterceptor>> e = super.resolveReturnTypeAndInterceptor(matchContext);
            ClassElement returnType = e.getKey();
            if (returnType != null && !TypeUtils.isVoid(returnType) && !TypeUtils.isNumber(returnType) && !returnType.hasStereotype(MappedEntity.class) && !(TypeUtils.isReactiveOrFuture(matchContext.getReturnType()) && TypeUtils.isObjectClass(returnType))) {
                throw new MatchFailedException("Cannot implement update method for specified return type: " + returnType.getName());
            }
            return e;
        }

        @Override
        protected ParameterElement getEntityParameter() {
            return entityParameter;
        }

        @Override
        protected ParameterElement getEntitiesParameter() {
            return entitiesParameter;
        }
    };
}

Example 4 with PersistentEntityRoot

use of io.micronaut.data.model.jpa.criteria.PersistentEntityRoot in project micronaut-data by micronaut-projects.

the class SourcePersistentEntityCriteriaQueryImpl method getQueryResultTypeName.

@Override
public String getQueryResultTypeName() {
    if (selection instanceof ISelection) {
        String[] result = new String[1];
        ((SelectionVisitable) selection).accept(new SelectionVisitor() {

            @Override
            public void visit(Predicate predicate) {
            }

            @Override
            public void visit(PersistentPropertyPath<?> persistentPropertyPath) {
                result[0] = ((SourcePersistentPropertyPath) persistentPropertyPath).getProperty().getType().getName();
            }

            @Override
            public void visit(AliasedSelection<?> aliasedSelection) {
                ((SelectionVisitable) aliasedSelection.getSelection()).accept(this);
            }

            @Override
            public void visit(PersistentEntityRoot<?> entityRoot) {
                result[0] = ((SourcePersistentEntity) entityRoot.getPersistentEntity()).getType().getName();
            }

            @Override
            public void visit(AggregateExpression<?, ?> aggregateExpression) {
                switch(aggregateExpression.getType()) {
                    case COUNT:
                    case COUNT_DISTINCT:
                        result[0] = Long.class.getName();
                        break;
                    case MAX:
                    case MIN:
                        result[0] = requireProperty(aggregateExpression.getExpression()).getProperty().getTypeName();
                        break;
                    case SUM:
                    case AVG:
                        ClassElement type = ((SourcePersistentProperty) requireProperty(aggregateExpression.getExpression()).getProperty()).getType();
                        if (aggregateExpression.getExpressionType() != null) {
                            result[0] = aggregateExpression.getExpressionType().getName();
                        }
                        if (TypeUtils.isNumber(type)) {
                            result[0] = Number.class.getName();
                        } else {
                            result[0] = type.getName();
                        }
                        break;
                    default:
                        return;
                }
            }

            @Override
            public void visit(CompoundSelection<?> compoundSelection) {
                if (compoundSelection.getCompoundSelectionItems().size() == 1) {
                    // Multiple selection shouldn't result in one type
                    compoundSelection.getCompoundSelectionItems().forEach(s -> ((SelectionVisitable) s).accept(this));
                }
            }

            @Override
            public void visit(LiteralExpression<?> literalExpression) {
                result[0] = literalExpression.getValue().getClass().getName();
            }

            @Override
            public void visit(IdExpression<?, ?> idExpression) {
                SourcePersistentEntity persistentEntity = (SourcePersistentEntity) idExpression.getRoot().getPersistentEntity();
                if (persistentEntity.hasCompositeIdentity()) {
                    throw new IllegalStateException("IdClass is unknown!");
                }
                result[0] = persistentEntity.getIdentity().getType().getName();
            }
        });
        return result[0];
    }
    return null;
}

Example 5 with PersistentEntityRoot

use of io.micronaut.data.model.jpa.criteria.PersistentEntityRoot in project micronaut-data by micronaut-projects.

the class UpdateCriteriaMethodMatch method apply.

/**
 * Apply query match.
 *
 * @param matchContext The match context
 * @param root         The root
 * @param query        The query
 * @param cb           The criteria builder
 * @param <T>          The entity type
 */
protected <T> void apply(MethodMatchContext matchContext, PersistentEntityRoot<T> root, PersistentEntityCriteriaUpdate<T> query, SourcePersistentEntityCriteriaBuilder cb) {
    String querySequence = matcher.group(3);
    if (matcher.group(2).endsWith("By")) {
        applyPredicates(querySequence, matchContext.getParameters(), root, query, cb);
    } else {
        applyPredicates(matchContext.getParametersNotInRole(), root, query, cb);
    }
    if (query.getRestriction() == null) {
        throw new MatchFailedException("Cannot implement batch update operation that doesn't perform a query");
    }
    SourcePersistentEntity entity = matchContext.getRootEntity();
    addPropertiesToUpdate(matchContext, root, query, cb);
    // Add updatable auto-populated parameters
    entity.getPersistentProperties().stream().filter(p -> p != null && p.findAnnotation(AutoPopulated.class).map(ap -> ap.getRequiredValue(AutoPopulated.UPDATEABLE, Boolean.class)).orElse(false)).forEach(p -> query.set(p.getName(), cb.parameter((ParameterElement) null)));
    if (entity.getVersion() != null) {
        if (((AbstractPersistentEntityCriteriaUpdate<T>) query).hasVersionRestriction()) {
            query.set(entity.getVersion().getName(), cb.parameter((ParameterElement) null));
        }
    }
    if (((AbstractPersistentEntityCriteriaUpdate<T>) query).getUpdateValues().isEmpty()) {
        throw new MatchFailedException("At least one parameter required to update");
    }
}