Examples with ManyToMany javax.persistence.ManyToMany used on opensource projects

Example 1 with ManyToMany

use of javax.persistence.ManyToMany in project eweb4j-framework by laiweiwei.

the class DAOImpl method queryBySql.

public <T> Collection<T> queryBySql(final String sql) {
    Class<T> mappingCls = null;
    if (this.targetEntity == null)
        mappingCls = (Class<T>) this.clazz;
    else
        mappingCls = (Class<T>) this.targetEntity;
    List<T> result = null;
    try {
        if (Map.class.isAssignableFrom(mappingCls)) {
            Connection con = ds.getConnection();
            if (args != null && args.size() > 0) {
                result = (List<T>) JdbcUtil.getListWithArgs(con, mappingCls, sql, args.toArray(new Object[] {}));
            } else {
                result = (List<T>) JdbcUtil.getList(con, mappingCls, sql);
            }
        } else {
            if (args != null && args.size() > 0) {
                result = (List<T>) DAOFactory.getSelectDAO(dsName).selectBySQL(mappingCls, sql, args.toArray(new Object[] {}));
            } else {
                result = (List<T>) DAOFactory.getSelectDAO(dsName).selectBySQL(mappingCls, sql);
            }
        }
        //this.clear();
        if (result != null && result.size() > 0) {
            for (T t : result) {
                // ToOne relation class cascade select
                ReflectUtil ru = new ReflectUtil(t);
                for (Field field : ru.getFields()) {
                    String f = field.getName();
                    OneToOne o2o = field.getAnnotation(OneToOne.class);
                    ManyToOne m2o = field.getAnnotation(ManyToOne.class);
                    OneToMany o2m = field.getAnnotation(OneToMany.class);
                    ManyToMany m2m = field.getAnnotation(ManyToMany.class);
                    FetchType fetchType = null;
                    boolean is2One = false;
                    if (o2o != null) {
                        fetchType = o2o.fetch();
                        is2One = true;
                    }
                    if (m2o != null) {
                        fetchType = m2o.fetch();
                        is2One = true;
                    }
                    if (o2m != null) {
                        fetchType = o2m.fetch();
                    }
                    if (m2m != null) {
                        fetchType = m2m.fetch();
                    }
                    if (fetchType == null)
                        continue;
                    String beanId = field.getType().getName();
                    if (!is2One)
                        beanId = ClassUtil.getGenericType(field).getName();
                    boolean isEntity = ORMConfigBeanCache.containsKey(beanId);
                    if (!isEntity)
                        continue;
                    if (unFetch.contains(f))
                        continue;
                    if (fetch.contains(f)) {
                        log.debug("cascade select -> " + t.getClass().getName() + "." + f);
                        DAOFactory.getCascadeDAO(dsName).select(t, f);
                        continue;
                    }
                    if (FetchType.LAZY.equals(fetchType))
                        continue;
                    log.debug("cascade select -> " + t.getClass().getName() + "." + f);
                    DAOFactory.getCascadeDAO(dsName).select(t, f);
                }
            }
        }
        return result;
    } catch (Exception e) {
        log.error("sql-->" + sql, e);
        throw new DAOException(sql + " execute exception", e);
    }
}

Example 2 with ManyToMany

use of javax.persistence.ManyToMany in project eweb4j-framework by laiweiwei.

the class Model2Table method generateOne.

public static String generateOne(final Class<?> entityClass, final boolean isDrop, boolean isCreateFile) {
    StringBuilder sql = new StringBuilder();
    StringBuilder manyMany = new StringBuilder();
    final ORMConfigBean ocb = ORMConfigBeanCache.get(entityClass.getName());
    final String table = ocb.getTable();
    List<Property> properties = ocb.getProperty();
    StringBuilder sb = new StringBuilder();
    StringBuilder fkSb = new StringBuilder();
    final String fk = ", \n\tKEY %s (%s), \n\tCONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s (%s)";
    StringBuilder pkSb = new StringBuilder();
    final String pk = ", \n\tPRIMARY KEY (%s)";
    StringBuilder uniqueSb = new StringBuilder();
    String unique = ", \n\tUNIQUE KEY %s (%s)";
    final String idCol = ORMConfigBeanUtil.getIdColumn(properties);
    for (Property p : properties) {
        if (sb.length() > 0)
            sb.append(", \n");
        String col = p.getColumn();
        String type = p.getType();
        String size = null;
        if (p.getSize().trim().length() > 0 && CommonUtil.isNumeric(p.getSize().trim()))
            size = String.format(" (%s) ", p.getSize());
        if ("1".equals(p.getUnique()) || "true".equalsIgnoreCase(p.getUnique()))
            uniqueSb.append(String.format(unique, col, col));
        String notNull = "";
        if ("1".equals(p.getNotNull()) || "true".equalsIgnoreCase(p.getNotNull()))
            notNull = " NOT NULL ";
        if ("1".equals(p.getPk()) || "true".equalsIgnoreCase(p.getPk())) {
            if (pkSb.length() > 0)
                pkSb.append(",");
            pkSb.append(col);
        }
        String auto = "";
        if ("1".equals(p.getAutoIncrement()) || "true".equalsIgnoreCase(p.getAutoIncrement()))
            auto = " AUTO_INCREMENT ";
        if (PropType.ONE_ONE.equals(p.getType()) || PropType.MANY_ONE.equals(p.getType())) {
            final String relTable = ORMConfigBeanUtil.getTable(p.getRelClass(), false);
            if (p.getRelProperty() == null || p.getRelProperty().trim().length() == 0)
                p.setRelProperty(ORMConfigBeanUtil.getIdField(p.getRelClass()));
            final String relColumn = ORMConfigBeanUtil.getColumn(p.getRelClass(), p.getRelProperty());
            fkSb.append(String.format(fk, col, col, table + "_" + col, col, relTable, relColumn));
        }
        sb.append("\t").append(col).append(" ").append(getType(type)).append(size == null ? "" : size).append(notNull).append(auto);
    }
    sb.append(uniqueSb.toString());
    if (pkSb.length() > 0)
        sb.append(String.format(pk, pkSb.toString()));
    sb.append(fkSb.toString());
    String _sql = String.format(create_table_script, table, sb.toString());
    if (isDrop) {
        _sql = String.format(drop_table_script, table) + _sql;
        ;
    }
    sql.append(_sql);
    try {
        ReflectUtil ru = new ReflectUtil(entityClass);
        for (Field f : ru.getFields()) {
            if (!ClassUtil.isListClass(f))
                continue;
            String name = f.getName();
            Method getter = ru.getGetter(name);
            if (getter == null)
                continue;
            ManyToMany mmAnn = getter.getAnnotation(ManyToMany.class);
            if (mmAnn == null)
                mmAnn = f.getAnnotation(ManyToMany.class);
            if (mmAnn != null) {
                JoinTable join = getter.getAnnotation(JoinTable.class);
                if (join == null) {
                    join = f.getAnnotation(JoinTable.class);
                    if (join == null)
                        continue;
                }
                JoinColumn[] froms = join.joinColumns();
                if (froms == null || froms.length == 0)
                    continue;
                JoinColumn[] tos = join.inverseJoinColumns();
                if (tos == null || tos.length == 0)
                    continue;
                final String relTable = join.name();
                final String relFrom = froms[0].name();
                final String relTo = tos[0].name();
                final Class<?> targetClass = ClassUtil.getGenericType(f);
                StringBuilder manyManyField = new StringBuilder();
                //handle the many to many 
                manyManyField.append("\tid ").append(getType("long")).append(" (20) NOT NULL AUTO_INCREMENT,");
                manyManyField.append("\n\t").append(relFrom).append(" ").append(getType("long")).append(" (20) ,");
                manyManyField.append("\n\t").append(relTo).append(" ").append(getType("long")).append(" (20) ,");
                manyManyField.append("\n\t").append("PRIMARY KEY (id)");
                String tarTable = ORMConfigBeanUtil.getTable(targetClass, false);
                String tarIdCol = ORMConfigBeanUtil.getIdColumn(targetClass);
                String fk1 = String.format(fk, relFrom, relFrom, relTable + "_" + relFrom, relFrom, table, idCol);
                manyManyField.append(fk1);
                String fk2 = String.format(fk, relTo, relTo, relTable + "_" + relTo, relTo, tarTable, tarIdCol);
                manyManyField.append(fk2);
                manyMany.append(String.format(create_table_script, relTable, relTable, manyManyField.toString()));
            }
        }
    } catch (Exception e1) {
        e1.printStackTrace();
    }
    sql.append(manyMany.toString());
    String script = String.format("SET FOREIGN_KEY_CHECKS=0;\n%s", sql.toString());
    if (!isCreateFile)
        return script;
    try {
        ConfigBean cb = (ConfigBean) SingleBeanCache.get(ConfigBean.class.getName());
        File file = new File(ConfigConstant.CONFIG_BASE_PATH() + cb.getOrm().getDdl().getDs() + "-create.sql");
        FileWriter writer = new FileWriter(file);
        writer.write(script);
        writer.flush();
        writer.close();
        LogFactory.getORMLogger(Model2Table.class).debug("create models sql script file success -> " + file.getAbsoluteFile());
        return script;
    } catch (IOException e2) {
        e2.printStackTrace();
        return null;
    }
}

Example 3 with ManyToMany

use of javax.persistence.ManyToMany in project eweb4j-framework by laiweiwei.

the class Model2Table method generateAll.

public static String generateAll(final boolean isDrop, final boolean isCreateFile) {
    StringBuilder sql = new StringBuilder();
    StringBuilder manyMany = new StringBuilder();
    for (Iterator<Entry<Object, ORMConfigBean>> it = ORMConfigBeanCache.entrySet().iterator(); it.hasNext(); ) {
        final Entry<Object, ORMConfigBean> e = it.next();
        final ORMConfigBean ocb = e.getValue();
        final String table = ocb.getTable();
        List<Property> properties = ocb.getProperty();
        StringBuilder sb = new StringBuilder();
        StringBuilder fkSb = new StringBuilder();
        final String fk = ", \n\tKEY %s (%s), \n\tCONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s (%s)";
        StringBuilder pkSb = new StringBuilder();
        final String pk = ", \n\tPRIMARY KEY (%s)";
        StringBuilder uniqueSb = new StringBuilder();
        String unique = ", \n\tUNIQUE KEY %s (%s)";
        final String idCol = ORMConfigBeanUtil.getIdColumn(properties);
        for (Property p : properties) {
            if (sb.length() > 0)
                sb.append(", \n");
            String col = p.getColumn();
            String type = p.getType();
            String size = null;
            if (p.getSize().trim().length() > 0 && CommonUtil.isNumeric(p.getSize().trim()))
                size = String.format(" (%s) ", p.getSize());
            if ("1".equals(p.getUnique()) || "true".equalsIgnoreCase(p.getUnique()))
                uniqueSb.append(String.format(unique, col, col));
            String notNull = "";
            if ("1".equals(p.getNotNull()) || "true".equalsIgnoreCase(p.getNotNull()))
                notNull = " NOT NULL ";
            if ("1".equals(p.getPk()) || "true".equalsIgnoreCase(p.getPk())) {
                if (pkSb.length() > 0)
                    pkSb.append(",");
                pkSb.append(col);
            }
            String auto = "";
            if ("1".equals(p.getAutoIncrement()) || "true".equalsIgnoreCase(p.getAutoIncrement()))
                auto = " AUTO_INCREMENT ";
            if (PropType.ONE_ONE.equals(p.getType()) || PropType.MANY_ONE.equals(p.getType())) {
                final String relTable = ORMConfigBeanUtil.getTable(p.getRelClass(), false);
                if (p.getRelProperty() == null || p.getRelProperty().trim().length() == 0)
                    p.setRelProperty(ORMConfigBeanUtil.getIdField(p.getRelClass()));
                final String relColumn = ORMConfigBeanUtil.getColumn(p.getRelClass(), p.getRelProperty());
                fkSb.append(String.format(fk, col, col, table + "_" + col, col, relTable, relColumn));
            }
            sb.append("\t").append(col).append(" ").append(getType(type)).append(size == null ? "" : size).append(notNull).append(auto);
        }
        sb.append(uniqueSb.toString());
        if (pkSb.length() > 0)
            sb.append(String.format(pk, pkSb.toString()));
        sb.append(fkSb.toString());
        String _sql = String.format(create_table_script, table, sb.toString());
        if (isDrop) {
            _sql = String.format(drop_table_script, table) + _sql;
            ;
        }
        sql.append(_sql);
        try {
            Class<?> clazz = Thread.currentThread().getContextClassLoader().loadClass((String) e.getKey());
            ReflectUtil ru = new ReflectUtil(clazz);
            for (Field f : ru.getFields()) {
                if (!ClassUtil.isListClass(f))
                    continue;
                String name = f.getName();
                Method getter = ru.getGetter(name);
                if (getter == null)
                    continue;
                ManyToMany mmAnn = getter.getAnnotation(ManyToMany.class);
                if (mmAnn == null)
                    mmAnn = f.getAnnotation(ManyToMany.class);
                if (mmAnn != null) {
                    JoinTable join = getter.getAnnotation(JoinTable.class);
                    if (join == null) {
                        join = f.getAnnotation(JoinTable.class);
                        if (join == null)
                            continue;
                    }
                    JoinColumn[] froms = join.joinColumns();
                    if (froms == null || froms.length == 0)
                        continue;
                    JoinColumn[] tos = join.inverseJoinColumns();
                    if (tos == null || tos.length == 0)
                        continue;
                    final String relTable = join.name();
                    final String relFrom = froms[0].name();
                    final String relTo = tos[0].name();
                    final Class<?> targetClass = ClassUtil.getGenericType(f);
                    StringBuilder manyManyField = new StringBuilder();
                    //handle the many to many 
                    manyManyField.append("\tid ").append(getType("long")).append(" (20) NOT NULL AUTO_INCREMENT,");
                    manyManyField.append("\n\t").append(relFrom).append(" ").append(getType("long")).append(" (20) ,");
                    manyManyField.append("\n\t").append(relTo).append(" ").append(getType("long")).append(" (20) ,");
                    manyManyField.append("\n\t").append("PRIMARY KEY (id)");
                    String tarTable = ORMConfigBeanUtil.getTable(targetClass, false);
                    String tarIdCol = ORMConfigBeanUtil.getIdColumn(targetClass);
                    String fk1 = String.format(fk, relFrom, relFrom, relTable + "_" + relFrom, relFrom, table, idCol);
                    manyManyField.append(fk1);
                    String fk2 = String.format(fk, relTo, relTo, relTable + "_" + relTo, relTo, tarTable, tarIdCol);
                    manyManyField.append(fk2);
                    manyMany.append(String.format(create_table_script, relTable, relTable, manyManyField.toString()));
                }
            }
        } catch (Exception e1) {
            continue;
        }
    }
    sql.append(manyMany.toString());
    String script = String.format("SET FOREIGN_KEY_CHECKS=0;\n%s", sql.toString());
    if (!isCreateFile)
        return script;
    try {
        ConfigBean cb = (ConfigBean) SingleBeanCache.get(ConfigBean.class.getName());
        File file = new File(ConfigConstant.CONFIG_BASE_PATH() + cb.getOrm().getDdl().getDs() + "-create.sql");
        FileWriter writer = new FileWriter(file);
        writer.write(script);
        writer.flush();
        writer.close();
        LogFactory.getORMLogger(Model2Table.class).debug("create models sql script file success -> " + file.getAbsoluteFile());
        return script;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

Example 4 with ManyToMany

use of javax.persistence.ManyToMany in project hibernate-orm by hibernate.

the class AnnotationBinder method processElementAnnotations.

/*
	 * Process annotation of a particular property
	 */
private static void processElementAnnotations(PropertyHolder propertyHolder, Nullability nullability, PropertyData inferredData, HashMap<String, IdentifierGeneratorDefinition> classGenerators, EntityBinder entityBinder, boolean isIdentifierMapper, boolean isComponentEmbedded, boolean inSecondPass, MetadataBuildingContext context, Map<XClass, InheritanceState> inheritanceStatePerClass) throws MappingException {
    if (!propertyHolder.isComponent()) {
        if (entityBinder.isPropertyDefinedInSuperHierarchy(inferredData.getPropertyName())) {
            LOG.debugf("Skipping attribute [%s : %s] as it was already processed as part of super hierarchy", inferredData.getClassOrElementName(), inferredData.getPropertyName());
            return;
        }
    }
    /**
		 * inSecondPass can only be used to apply right away the second pass of a composite-element
		 * Because it's a value type, there is no bidirectional association, hence second pass
		 * ordering does not matter
		 */
    final boolean traceEnabled = LOG.isTraceEnabled();
    if (traceEnabled) {
        LOG.tracev("Processing annotations of {0}.{1}", propertyHolder.getEntityName(), inferredData.getPropertyName());
    }
    final XProperty property = inferredData.getProperty();
    if (property.isAnnotationPresent(Parent.class)) {
        if (propertyHolder.isComponent()) {
            propertyHolder.setParentProperty(property.getName());
        } else {
            throw new AnnotationException("@Parent cannot be applied outside an embeddable object: " + BinderHelper.getPath(propertyHolder, inferredData));
        }
        return;
    }
    ColumnsBuilder columnsBuilder = new ColumnsBuilder(propertyHolder, nullability, property, inferredData, entityBinder, context).extractMetadata();
    Ejb3Column[] columns = columnsBuilder.getColumns();
    Ejb3JoinColumn[] joinColumns = columnsBuilder.getJoinColumns();
    final XClass returnedClass = inferredData.getClassOrElement();
    //prepare PropertyBinder
    PropertyBinder propertyBinder = new PropertyBinder();
    propertyBinder.setName(inferredData.getPropertyName());
    propertyBinder.setReturnedClassName(inferredData.getTypeName());
    propertyBinder.setAccessType(inferredData.getDefaultAccess());
    propertyBinder.setHolder(propertyHolder);
    propertyBinder.setProperty(property);
    propertyBinder.setReturnedClass(inferredData.getPropertyClass());
    propertyBinder.setBuildingContext(context);
    if (isIdentifierMapper) {
        propertyBinder.setInsertable(false);
        propertyBinder.setUpdatable(false);
    }
    propertyBinder.setDeclaringClass(inferredData.getDeclaringClass());
    propertyBinder.setEntityBinder(entityBinder);
    propertyBinder.setInheritanceStatePerClass(inheritanceStatePerClass);
    boolean isId = !entityBinder.isIgnoreIdAnnotations() && (property.isAnnotationPresent(Id.class) || property.isAnnotationPresent(EmbeddedId.class));
    propertyBinder.setId(isId);
    final LazyGroup lazyGroupAnnotation = property.getAnnotation(LazyGroup.class);
    if (lazyGroupAnnotation != null) {
        propertyBinder.setLazyGroup(lazyGroupAnnotation.value());
    }
    if (property.isAnnotationPresent(Version.class)) {
        if (isIdentifierMapper) {
            throw new AnnotationException("@IdClass class should not have @Version property");
        }
        if (!(propertyHolder.getPersistentClass() instanceof RootClass)) {
            throw new AnnotationException("Unable to define/override @Version on a subclass: " + propertyHolder.getEntityName());
        }
        if (!propertyHolder.isEntity()) {
            throw new AnnotationException("Unable to define @Version on an embedded class: " + propertyHolder.getEntityName());
        }
        if (traceEnabled) {
            LOG.tracev("{0} is a version property", inferredData.getPropertyName());
        }
        RootClass rootClass = (RootClass) propertyHolder.getPersistentClass();
        propertyBinder.setColumns(columns);
        Property prop = propertyBinder.makePropertyValueAndBind();
        setVersionInformation(property, propertyBinder);
        rootClass.setVersion(prop);
        //If version is on a mapped superclass, update the mapping
        final org.hibernate.mapping.MappedSuperclass superclass = BinderHelper.getMappedSuperclassOrNull(inferredData.getDeclaringClass(), inheritanceStatePerClass, context);
        if (superclass != null) {
            superclass.setDeclaredVersion(prop);
        } else {
            //we know the property is on the actual entity
            rootClass.setDeclaredVersion(prop);
        }
        SimpleValue simpleValue = (SimpleValue) prop.getValue();
        simpleValue.setNullValue("undefined");
        rootClass.setOptimisticLockStyle(OptimisticLockStyle.VERSION);
        if (traceEnabled) {
            LOG.tracev("Version name: {0}, unsavedValue: {1}", rootClass.getVersion().getName(), ((SimpleValue) rootClass.getVersion().getValue()).getNullValue());
        }
    } else {
        final boolean forcePersist = property.isAnnotationPresent(MapsId.class) || property.isAnnotationPresent(Id.class);
        if (property.isAnnotationPresent(ManyToOne.class)) {
            ManyToOne ann = property.getAnnotation(ManyToOne.class);
            //check validity
            if (property.isAnnotationPresent(Column.class) || property.isAnnotationPresent(Columns.class)) {
                throw new AnnotationException("@Column(s) not allowed on a @ManyToOne property: " + BinderHelper.getPath(propertyHolder, inferredData));
            }
            Cascade hibernateCascade = property.getAnnotation(Cascade.class);
            NotFound notFound = property.getAnnotation(NotFound.class);
            boolean ignoreNotFound = notFound != null && notFound.action().equals(NotFoundAction.IGNORE);
            OnDelete onDeleteAnn = property.getAnnotation(OnDelete.class);
            boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals(onDeleteAnn.action());
            JoinTable assocTable = propertyHolder.getJoinTable(property);
            if (assocTable != null) {
                Join join = propertyHolder.addJoin(assocTable, false);
                for (Ejb3JoinColumn joinColumn : joinColumns) {
                    joinColumn.setExplicitTableName(join.getTable().getName());
                }
            }
            final boolean mandatory = !ann.optional() || forcePersist;
            bindManyToOne(getCascadeStrategy(ann.cascade(), hibernateCascade, false, forcePersist), joinColumns, !mandatory, ignoreNotFound, onDeleteCascade, ToOneBinder.getTargetEntity(inferredData, context), propertyHolder, inferredData, false, isIdentifierMapper, inSecondPass, propertyBinder, context);
        } else if (property.isAnnotationPresent(OneToOne.class)) {
            OneToOne ann = property.getAnnotation(OneToOne.class);
            //check validity
            if (property.isAnnotationPresent(Column.class) || property.isAnnotationPresent(Columns.class)) {
                throw new AnnotationException("@Column(s) not allowed on a @OneToOne property: " + BinderHelper.getPath(propertyHolder, inferredData));
            }
            //FIXME support a proper PKJCs
            boolean trueOneToOne = property.isAnnotationPresent(PrimaryKeyJoinColumn.class) || property.isAnnotationPresent(PrimaryKeyJoinColumns.class);
            Cascade hibernateCascade = property.getAnnotation(Cascade.class);
            NotFound notFound = property.getAnnotation(NotFound.class);
            boolean ignoreNotFound = notFound != null && notFound.action().equals(NotFoundAction.IGNORE);
            OnDelete onDeleteAnn = property.getAnnotation(OnDelete.class);
            boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals(onDeleteAnn.action());
            JoinTable assocTable = propertyHolder.getJoinTable(property);
            if (assocTable != null) {
                Join join = propertyHolder.addJoin(assocTable, false);
                for (Ejb3JoinColumn joinColumn : joinColumns) {
                    joinColumn.setExplicitTableName(join.getTable().getName());
                }
            }
            //MapsId means the columns belong to the pk => not null
            //@OneToOne with @PKJC can still be optional
            final boolean mandatory = !ann.optional() || forcePersist;
            bindOneToOne(getCascadeStrategy(ann.cascade(), hibernateCascade, ann.orphanRemoval(), forcePersist), joinColumns, !mandatory, getFetchMode(ann.fetch()), ignoreNotFound, onDeleteCascade, ToOneBinder.getTargetEntity(inferredData, context), propertyHolder, inferredData, ann.mappedBy(), trueOneToOne, isIdentifierMapper, inSecondPass, propertyBinder, context);
        } else if (property.isAnnotationPresent(org.hibernate.annotations.Any.class)) {
            //check validity
            if (property.isAnnotationPresent(Column.class) || property.isAnnotationPresent(Columns.class)) {
                throw new AnnotationException("@Column(s) not allowed on a @Any property: " + BinderHelper.getPath(propertyHolder, inferredData));
            }
            Cascade hibernateCascade = property.getAnnotation(Cascade.class);
            OnDelete onDeleteAnn = property.getAnnotation(OnDelete.class);
            boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals(onDeleteAnn.action());
            JoinTable assocTable = propertyHolder.getJoinTable(property);
            if (assocTable != null) {
                Join join = propertyHolder.addJoin(assocTable, false);
                for (Ejb3JoinColumn joinColumn : joinColumns) {
                    joinColumn.setExplicitTableName(join.getTable().getName());
                }
            }
            bindAny(getCascadeStrategy(null, hibernateCascade, false, forcePersist), //@Any has not cascade attribute
            joinColumns, onDeleteCascade, nullability, propertyHolder, inferredData, entityBinder, isIdentifierMapper, context);
        } else if (property.isAnnotationPresent(OneToMany.class) || property.isAnnotationPresent(ManyToMany.class) || property.isAnnotationPresent(ElementCollection.class) || property.isAnnotationPresent(ManyToAny.class)) {
            OneToMany oneToManyAnn = property.getAnnotation(OneToMany.class);
            ManyToMany manyToManyAnn = property.getAnnotation(ManyToMany.class);
            ElementCollection elementCollectionAnn = property.getAnnotation(ElementCollection.class);
            if ((oneToManyAnn != null || manyToManyAnn != null || elementCollectionAnn != null) && isToManyAssociationWithinEmbeddableCollection(propertyHolder)) {
                throw new AnnotationException("@OneToMany, @ManyToMany or @ElementCollection cannot be used inside an @Embeddable that is also contained within an @ElementCollection: " + BinderHelper.getPath(propertyHolder, inferredData));
            }
            final IndexColumn indexColumn;
            if (property.isAnnotationPresent(OrderColumn.class)) {
                indexColumn = IndexColumn.buildColumnFromAnnotation(property.getAnnotation(OrderColumn.class), propertyHolder, inferredData, entityBinder.getSecondaryTables(), context);
                if (property.isAnnotationPresent(ListIndexBase.class)) {
                    indexColumn.setBase((property.getAnnotation(ListIndexBase.class)).value());
                }
            } else {
                //if @IndexColumn is not there, the generated IndexColumn is an implicit column and not used.
                //so we can leave the legacy processing as the default
                indexColumn = IndexColumn.buildColumnFromAnnotation(property.getAnnotation(org.hibernate.annotations.IndexColumn.class), propertyHolder, inferredData, context);
            }
            CollectionBinder collectionBinder = CollectionBinder.getCollectionBinder(propertyHolder.getEntityName(), property, !indexColumn.isImplicit(), property.isAnnotationPresent(MapKeyType.class), context);
            collectionBinder.setIndexColumn(indexColumn);
            collectionBinder.setMapKey(property.getAnnotation(MapKey.class));
            collectionBinder.setPropertyName(inferredData.getPropertyName());
            collectionBinder.setBatchSize(property.getAnnotation(BatchSize.class));
            collectionBinder.setJpaOrderBy(property.getAnnotation(javax.persistence.OrderBy.class));
            collectionBinder.setSqlOrderBy(property.getAnnotation(OrderBy.class));
            collectionBinder.setSort(property.getAnnotation(Sort.class));
            collectionBinder.setNaturalSort(property.getAnnotation(SortNatural.class));
            collectionBinder.setComparatorSort(property.getAnnotation(SortComparator.class));
            Cache cachAnn = property.getAnnotation(Cache.class);
            collectionBinder.setCache(cachAnn);
            collectionBinder.setPropertyHolder(propertyHolder);
            Cascade hibernateCascade = property.getAnnotation(Cascade.class);
            NotFound notFound = property.getAnnotation(NotFound.class);
            boolean ignoreNotFound = notFound != null && notFound.action().equals(NotFoundAction.IGNORE);
            collectionBinder.setIgnoreNotFound(ignoreNotFound);
            collectionBinder.setCollectionType(inferredData.getProperty().getElementClass());
            collectionBinder.setBuildingContext(context);
            collectionBinder.setAccessType(inferredData.getDefaultAccess());
            Ejb3Column[] elementColumns;
            //do not use "element" if you are a JPA 2 @ElementCollection only for legacy Hibernate mappings
            boolean isJPA2ForValueMapping = property.isAnnotationPresent(ElementCollection.class);
            PropertyData virtualProperty = isJPA2ForValueMapping ? inferredData : new WrappedInferredData(inferredData, "element");
            if (property.isAnnotationPresent(Column.class) || property.isAnnotationPresent(Formula.class)) {
                Column ann = property.getAnnotation(Column.class);
                Formula formulaAnn = property.getAnnotation(Formula.class);
                elementColumns = Ejb3Column.buildColumnFromAnnotation(new Column[] { ann }, formulaAnn, nullability, propertyHolder, virtualProperty, entityBinder.getSecondaryTables(), context);
            } else if (property.isAnnotationPresent(Columns.class)) {
                Columns anns = property.getAnnotation(Columns.class);
                elementColumns = Ejb3Column.buildColumnFromAnnotation(anns.columns(), null, nullability, propertyHolder, virtualProperty, entityBinder.getSecondaryTables(), context);
            } else {
                elementColumns = Ejb3Column.buildColumnFromAnnotation(null, null, nullability, propertyHolder, virtualProperty, entityBinder.getSecondaryTables(), context);
            }
            {
                Column[] keyColumns = null;
                //JPA 2 has priority and has different default column values, differenciate legacy from JPA 2
                Boolean isJPA2 = null;
                if (property.isAnnotationPresent(MapKeyColumn.class)) {
                    isJPA2 = Boolean.TRUE;
                    keyColumns = new Column[] { new MapKeyColumnDelegator(property.getAnnotation(MapKeyColumn.class)) };
                }
                //not explicitly legacy
                if (isJPA2 == null) {
                    isJPA2 = Boolean.TRUE;
                }
                //nullify empty array
                keyColumns = keyColumns != null && keyColumns.length > 0 ? keyColumns : null;
                //"mapkey" is the legacy column name of the key column pre JPA 2
                PropertyData mapKeyVirtualProperty = new WrappedInferredData(inferredData, "mapkey");
                Ejb3Column[] mapColumns = Ejb3Column.buildColumnFromAnnotation(keyColumns, null, Nullability.FORCED_NOT_NULL, propertyHolder, isJPA2 ? inferredData : mapKeyVirtualProperty, isJPA2 ? "_KEY" : null, entityBinder.getSecondaryTables(), context);
                collectionBinder.setMapKeyColumns(mapColumns);
            }
            {
                JoinColumn[] joinKeyColumns = null;
                //JPA 2 has priority and has different default column values, differenciate legacy from JPA 2
                Boolean isJPA2 = null;
                if (property.isAnnotationPresent(MapKeyJoinColumns.class)) {
                    isJPA2 = Boolean.TRUE;
                    final MapKeyJoinColumn[] mapKeyJoinColumns = property.getAnnotation(MapKeyJoinColumns.class).value();
                    joinKeyColumns = new JoinColumn[mapKeyJoinColumns.length];
                    int index = 0;
                    for (MapKeyJoinColumn joinColumn : mapKeyJoinColumns) {
                        joinKeyColumns[index] = new MapKeyJoinColumnDelegator(joinColumn);
                        index++;
                    }
                    if (property.isAnnotationPresent(MapKeyJoinColumn.class)) {
                        throw new AnnotationException("@MapKeyJoinColumn and @MapKeyJoinColumns used on the same property: " + BinderHelper.getPath(propertyHolder, inferredData));
                    }
                } else if (property.isAnnotationPresent(MapKeyJoinColumn.class)) {
                    isJPA2 = Boolean.TRUE;
                    joinKeyColumns = new JoinColumn[] { new MapKeyJoinColumnDelegator(property.getAnnotation(MapKeyJoinColumn.class)) };
                }
                //not explicitly legacy
                if (isJPA2 == null) {
                    isJPA2 = Boolean.TRUE;
                }
                PropertyData mapKeyVirtualProperty = new WrappedInferredData(inferredData, "mapkey");
                Ejb3JoinColumn[] mapJoinColumns = Ejb3JoinColumn.buildJoinColumnsWithDefaultColumnSuffix(joinKeyColumns, null, entityBinder.getSecondaryTables(), propertyHolder, isJPA2 ? inferredData.getPropertyName() : mapKeyVirtualProperty.getPropertyName(), isJPA2 ? "_KEY" : null, context);
                collectionBinder.setMapKeyManyToManyColumns(mapJoinColumns);
            }
            //potential element
            collectionBinder.setEmbedded(property.isAnnotationPresent(Embedded.class));
            collectionBinder.setElementColumns(elementColumns);
            collectionBinder.setProperty(property);
            //TODO enhance exception with @ManyToAny and @CollectionOfElements
            if (oneToManyAnn != null && manyToManyAnn != null) {
                throw new AnnotationException("@OneToMany and @ManyToMany on the same property is not allowed: " + propertyHolder.getEntityName() + "." + inferredData.getPropertyName());
            }
            String mappedBy = null;
            if (oneToManyAnn != null) {
                for (Ejb3JoinColumn column : joinColumns) {
                    if (column.isSecondary()) {
                        throw new NotYetImplementedException("Collections having FK in secondary table");
                    }
                }
                collectionBinder.setFkJoinColumns(joinColumns);
                mappedBy = oneToManyAnn.mappedBy();
                collectionBinder.setTargetEntity(context.getBuildingOptions().getReflectionManager().toXClass(oneToManyAnn.targetEntity()));
                collectionBinder.setCascadeStrategy(getCascadeStrategy(oneToManyAnn.cascade(), hibernateCascade, oneToManyAnn.orphanRemoval(), false));
                collectionBinder.setOneToMany(true);
            } else if (elementCollectionAnn != null) {
                for (Ejb3JoinColumn column : joinColumns) {
                    if (column.isSecondary()) {
                        throw new NotYetImplementedException("Collections having FK in secondary table");
                    }
                }
                collectionBinder.setFkJoinColumns(joinColumns);
                mappedBy = "";
                final Class<?> targetElement = elementCollectionAnn.targetClass();
                collectionBinder.setTargetEntity(context.getBuildingOptions().getReflectionManager().toXClass(targetElement));
                //collectionBinder.setCascadeStrategy( getCascadeStrategy( embeddedCollectionAnn.cascade(), hibernateCascade ) );
                collectionBinder.setOneToMany(true);
            } else if (manyToManyAnn != null) {
                mappedBy = manyToManyAnn.mappedBy();
                collectionBinder.setTargetEntity(context.getBuildingOptions().getReflectionManager().toXClass(manyToManyAnn.targetEntity()));
                collectionBinder.setCascadeStrategy(getCascadeStrategy(manyToManyAnn.cascade(), hibernateCascade, false, false));
                collectionBinder.setOneToMany(false);
            } else if (property.isAnnotationPresent(ManyToAny.class)) {
                mappedBy = "";
                collectionBinder.setTargetEntity(context.getBuildingOptions().getReflectionManager().toXClass(void.class));
                collectionBinder.setCascadeStrategy(getCascadeStrategy(null, hibernateCascade, false, false));
                collectionBinder.setOneToMany(false);
            }
            collectionBinder.setMappedBy(mappedBy);
            bindJoinedTableAssociation(property, context, entityBinder, collectionBinder, propertyHolder, inferredData, mappedBy);
            OnDelete onDeleteAnn = property.getAnnotation(OnDelete.class);
            boolean onDeleteCascade = onDeleteAnn != null && OnDeleteAction.CASCADE.equals(onDeleteAnn.action());
            collectionBinder.setCascadeDeleteEnabled(onDeleteCascade);
            if (isIdentifierMapper) {
                collectionBinder.setInsertable(false);
                collectionBinder.setUpdatable(false);
            }
            if (property.isAnnotationPresent(CollectionId.class)) {
                //do not compute the generators unless necessary
                HashMap<String, IdentifierGeneratorDefinition> localGenerators = (HashMap<String, IdentifierGeneratorDefinition>) classGenerators.clone();
                localGenerators.putAll(buildLocalGenerators(property, context));
                collectionBinder.setLocalGenerators(localGenerators);
            }
            collectionBinder.setInheritanceStatePerClass(inheritanceStatePerClass);
            collectionBinder.setDeclaringClass(inferredData.getDeclaringClass());
            collectionBinder.bind();
        } else //Either a regular property or a basic @Id or @EmbeddedId while not ignoring id annotations
        if (!isId || !entityBinder.isIgnoreIdAnnotations()) {
            //define whether the type is a component or not
            boolean isComponent = false;
            //Overrides from @MapsId if needed
            boolean isOverridden = false;
            if (isId || propertyHolder.isOrWithinEmbeddedId() || propertyHolder.isInIdClass()) {
                //the associated entity could be using an @IdClass making the overridden property a component
                final PropertyData overridingProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(isId, propertyHolder, property.getName(), context);
                if (overridingProperty != null) {
                    isOverridden = true;
                    final InheritanceState state = inheritanceStatePerClass.get(overridingProperty.getClassOrElement());
                    if (state != null) {
                        isComponent = isComponent || state.hasIdClassOrEmbeddedId();
                    }
                    //Get the new column
                    columns = columnsBuilder.overrideColumnFromMapperOrMapsIdProperty(isId);
                }
            }
            isComponent = isComponent || property.isAnnotationPresent(Embedded.class) || property.isAnnotationPresent(EmbeddedId.class) || returnedClass.isAnnotationPresent(Embeddable.class);
            if (isComponent) {
                String referencedEntityName = null;
                if (isOverridden) {
                    final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(isId, propertyHolder, property.getName(), context);
                    referencedEntityName = mapsIdProperty.getClassOrElementName();
                }
                AccessType propertyAccessor = entityBinder.getPropertyAccessor(property);
                propertyBinder = bindComponent(inferredData, propertyHolder, propertyAccessor, entityBinder, isIdentifierMapper, context, isComponentEmbedded, isId, inheritanceStatePerClass, referencedEntityName, isOverridden ? (Ejb3JoinColumn[]) columns : null);
            } else {
                //provide the basic property mapping
                boolean optional = true;
                boolean lazy = false;
                if (property.isAnnotationPresent(Basic.class)) {
                    Basic ann = property.getAnnotation(Basic.class);
                    optional = ann.optional();
                    lazy = ann.fetch() == FetchType.LAZY;
                }
                //implicit type will check basic types and Serializable classes
                if (isId || (!optional && nullability != Nullability.FORCED_NULL)) {
                    //force columns to not null
                    for (Ejb3Column col : columns) {
                        if (isId && col.isFormula()) {
                            throw new CannotForceNonNullableException(String.format(Locale.ROOT, "Identifier property [%s] cannot contain formula mapping [%s]", HCANNHelper.annotatedElementSignature(property), col.getFormulaString()));
                        }
                        col.forceNotNull();
                    }
                }
                propertyBinder.setLazy(lazy);
                propertyBinder.setColumns(columns);
                if (isOverridden) {
                    final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(isId, propertyHolder, property.getName(), context);
                    propertyBinder.setReferencedEntityName(mapsIdProperty.getClassOrElementName());
                }
                propertyBinder.makePropertyValueAndBind();
            }
            if (isOverridden) {
                final PropertyData mapsIdProperty = BinderHelper.getPropertyOverriddenByMapperOrMapsId(isId, propertyHolder, property.getName(), context);
                Map<String, IdentifierGeneratorDefinition> localGenerators = (HashMap<String, IdentifierGeneratorDefinition>) classGenerators.clone();
                final IdentifierGeneratorDefinition.Builder foreignGeneratorBuilder = new IdentifierGeneratorDefinition.Builder();
                foreignGeneratorBuilder.setName("Hibernate-local--foreign generator");
                foreignGeneratorBuilder.setStrategy("foreign");
                foreignGeneratorBuilder.addParam("property", mapsIdProperty.getPropertyName());
                final IdentifierGeneratorDefinition foreignGenerator = foreignGeneratorBuilder.build();
                localGenerators.put(foreignGenerator.getName(), foreignGenerator);
                BinderHelper.makeIdGenerator((SimpleValue) propertyBinder.getValue(), foreignGenerator.getStrategy(), foreignGenerator.getName(), context, localGenerators);
            }
            if (isId) {
                //components and regular basic types create SimpleValue objects
                final SimpleValue value = (SimpleValue) propertyBinder.getValue();
                if (!isOverridden) {
                    processId(propertyHolder, inferredData, value, classGenerators, isIdentifierMapper, context);
                }
            }
        }
    }
    //init index
    //process indexes afterQuery everything: in second pass, many to one has to be done beforeQuery indexes
    Index index = property.getAnnotation(Index.class);
    if (index != null) {
        if (joinColumns != null) {
            for (Ejb3Column column : joinColumns) {
                column.addIndex(index, inSecondPass);
            }
        } else {
            if (columns != null) {
                for (Ejb3Column column : columns) {
                    column.addIndex(index, inSecondPass);
                }
            }
        }
    }
    // Natural ID columns must reside in one single UniqueKey within the Table.
    // For now, simply ensure consistent naming.
    // TODO: AFAIK, there really isn't a reason for these UKs to be created
    // on the secondPass.  This whole area should go away...
    NaturalId naturalIdAnn = property.getAnnotation(NaturalId.class);
    if (naturalIdAnn != null) {
        if (joinColumns != null) {
            for (Ejb3Column column : joinColumns) {
                String keyName = "UK_" + Constraint.hashedName(column.getTable().getName() + "_NaturalID");
                column.addUniqueKey(keyName, inSecondPass);
            }
        } else {
            for (Ejb3Column column : columns) {
                String keyName = "UK_" + Constraint.hashedName(column.getTable().getName() + "_NaturalID");
                column.addUniqueKey(keyName, inSecondPass);
            }
        }
    }
}

Example 5 with ManyToMany

use of javax.persistence.ManyToMany in project hibernate-orm by hibernate.

the class PersistentAttributesHelper method getTargetEntityClass.

public static CtClass getTargetEntityClass(CtClass managedCtClass, CtField persistentField) throws NotFoundException {
    // get targetEntity defined in the annotation
    try {
        OneToOne oto = PersistentAttributesHelper.getAnnotation(persistentField, OneToOne.class);
        OneToMany otm = PersistentAttributesHelper.getAnnotation(persistentField, OneToMany.class);
        ManyToOne mto = PersistentAttributesHelper.getAnnotation(persistentField, ManyToOne.class);
        ManyToMany mtm = PersistentAttributesHelper.getAnnotation(persistentField, ManyToMany.class);
        Class<?> targetClass = null;
        if (oto != null) {
            targetClass = oto.targetEntity();
        }
        if (otm != null) {
            targetClass = otm.targetEntity();
        }
        if (mto != null) {
            targetClass = mto.targetEntity();
        }
        if (mtm != null) {
            targetClass = mtm.targetEntity();
        }
        if (targetClass != null && targetClass != void.class) {
            return managedCtClass.getClassPool().get(targetClass.getName());
        }
    } catch (NotFoundException ignore) {
    }
    // infer targetEntity from generic type signature
    String inferredTypeName = inferTypeName(managedCtClass, persistentField.getName());
    return inferredTypeName == null ? null : managedCtClass.getClassPool().get(inferredTypeName);
}