Package javax.persistence.metamodel

Examples of javax.persistence.metamodel.EntityType

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        if (columns != null)
        {
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());

            EntityType entity = metaModel.entity(m.getEntityClazz());
            for (int i = startWith; i < columns.length; i++)
            {
                if (columns[i] != null)
                {
                    String fieldName = null;
                    String embeddedFieldName = null;
                    // used string tokenizer to check for embedded column.
                    StringTokenizer stringTokenizer = new StringTokenizer(columns[i], ".");
                    // if need to select embedded columns
                    if (stringTokenizer.countTokens() > 1)
                    {
                        fieldName = stringTokenizer.nextToken();
                        embeddedFieldName = stringTokenizer.nextToken();
                        Attribute col = entity.getAttribute(fieldName); // get
                                                                        // embedded
                                                                        // column
                        EmbeddableType embeddableType = metaModel.embeddable(col.getJavaType()); // get
                                                                                                 // embeddable
                                                                                                 // type
                        Attribute attribute = embeddableType.getAttribute(embeddedFieldName);
                        translatedColumns.add(((AbstractAttribute) attribute).getJPAColumnName());
                    }
                    else
                    {
                        // For all columns
                        fieldName = columns[i];
                        Attribute col = entity.getAttribute(fieldName);
                        onEmbeddable(translatedColumns, metaModel, col,
                                metaModel.isEmbeddable(((AbstractAttribute) col).getBindableJavaType()));
                    }
                }
            }
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        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        // Add thrift rows for embeddables
        Map<String, EmbeddableType> embeddables = metaModel.getEmbeddables(m.getEntityClazz());
        EntityType entityType = metaModel.entity(m.getEntityClazz());

        for (String embeddedFieldName : embeddables.keySet())
        {
            EmbeddableType embeddedColumn = embeddables.get(embeddedFieldName);

            // Index embeddable only when specified by user
            Field embeddedField = (Field) entityType.getAttribute(embeddedFieldName).getJavaMember();
            if (!MetadataUtils.isEmbeddedAtributeIndexable(embeddedField))
            {
                continue;
            }

            Object embeddedObject = PropertyAccessorHelper.getObject(e,
                    (Field) entityType.getAttribute(embeddedFieldName).getJavaMember());
            if (embeddedObject == null)
            {
                continue;
            }
            if (embeddedObject instanceof Collection)
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    {
        AbstractAttribute idCol = (AbstractAttribute) m.getIdAttribute();
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        EntityType entity = metaModel.entity(m.getEntityClazz());
        Class fieldClazz = null;
        if (idCol.getName().equals(jpaFieldName))
        {
            Field f = (Field) idCol.getJavaMember();

            if (metaModel.isEmbeddable(idCol.getBindableJavaType()))
            {
                fieldClazz = String.class;
                Map<Attribute, List<Object>> columnValues = new HashMap<Attribute, List<Object>>();
                Field[] fields = m.getIdAttribute().getBindableJavaType().getDeclaredFields();
                EmbeddableType embeddable = metaModel.embeddable(m.getIdAttribute().getBindableJavaType());

                StringBuilder compositeKey = new StringBuilder();
                for (Field field : fields)
                {
                    if (!ReflectUtils.isTransientOrStatic(field))
                    {
                        AbstractAttribute attrib = (AbstractAttribute) embeddable.getAttribute(field.getName());
                        Object obj = PropertyAccessorHelper.getObject(value, field);
                        compositeKey.append(
                                PropertyAccessorHelper.fromSourceToTargetClass(String.class,
                                        attrib.getBindableJavaType(), obj)).append("\001");
                    }
                }
                compositeKey.delete(compositeKey.lastIndexOf("\001"), compositeKey.length());
                value = compositeKey.toString();
            }
            else
            {
                fieldClazz = f.getType();
            }
        }
        else
        {
            StringTokenizer tokenizer = new StringTokenizer(jpaFieldName, ".");
            String embeddedFieldName = null;
            if (tokenizer.countTokens() > 1)
            {
                embeddedFieldName = tokenizer.nextToken();
                String fieldName = tokenizer.nextToken();
                Attribute embeddableAttribute = entity.getAttribute(embeddedFieldName);
                EmbeddableType embeddableType = metaModel.embeddable(embeddableAttribute.getJavaType());
                Attribute embeddedAttribute = embeddableType.getAttribute(fieldName);
                jpaFieldName = ((AbstractAttribute) embeddedAttribute).getJPAColumnName();
                fieldClazz = ((AbstractAttribute) embeddedAttribute).getBindableJavaType();
            }
            else
            {
                String discriminatorColumn = ((AbstractManagedType) entity).getDiscriminatorColumn();

                if (!jpaFieldName.equals(discriminatorColumn))
                {
                    String fieldName = m.getFieldName(jpaFieldName);
                    Attribute col = entity.getAttribute(fieldName);
                    fieldClazz = ((AbstractAttribute) col).getBindableJavaType();
                }
            }
        }
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        try
        {
            boolean isCql3Enabled = clientBase.isCql3Enabled(m);
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());
            EntityType entityType = metaModel.entity(m.getEntityClazz());

            for (Column column : tr.getColumns())
            {
                if (column != null)
                {
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        Map<String, ThriftRow> thriftRows = new HashMap<String, ThriftRow>();

        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        EntityType entityType = metaModel.entity(m.getEntityClazz());

        Set<Attribute> attributes = entityType.getAttributes();
        for (Attribute attribute : attributes)
        {
            String tableName = ((AbstractAttribute) attribute).getTableName() != null ? ((AbstractAttribute) attribute)
                    .getTableName() : m.getTableName();
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            throw new TranslationException("Please specify TranslationType: either COLUMN or VALUE");
        }
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                entityMetadata.getPersistenceUnit());
        Class entityClazz = entityMetadata.getEntityClazz();
        EntityType entityType = metaModel.entity(entityClazz);

        Map<String, StringBuilder> builders = new HashMap<String, StringBuilder>();
        Map<String, StringBuilder> columnBuilders = new HashMap<String, StringBuilder>();

        onTranslation(record, entityMetadata, type, metaModel, entityClazz, entityType, builders, columnBuilders,
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        List<String> columns = new ArrayList<String>();
        if (results != null && results.length > 0)
        {
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());
            EntityType entity = metaModel.entity(m.getEntityClazz());

            String keyFieldName = CassandraUtilities.getIdColumnName(kunderaMetadata, m, externalProperties,
                    ((CassandraClientBase) persistenceDelegeator.getClient(m)).isCql3Enabled(m));
            for (int i = 1; i < results.length; i++)
            {
                if (results[i] != null)
                {
                    if (results[i].indexOf(".") > 0)
                    {
                        String fieldName = results[i].substring(0, results[i].indexOf("."));
                        String embeddedFieldName = results[i].substring(results[i].indexOf(".") + 1,
                                results[i].length());
                        AbstractAttribute attribute = (AbstractAttribute) entity.getAttribute(fieldName);
                        EmbeddableType embeddable = metamodel.embeddable(attribute.getBindableJavaType());
                        Attribute embeddableAttribute = embeddable.getAttribute(embeddedFieldName);
                        columns.add(((AbstractAttribute) embeddableAttribute).getJPAColumnName());
                    }
                    else
                    {
                        Attribute attribute = entity.getAttribute(results[i]);
                        if (attribute == null)
                        {
                            throw new QueryHandlerException("Column type is null for : " + results);
                        }
                        else if (m.getIdAttribute().equals(attribute) && compoundKey != null)
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    {
        Attribute idCol = m.getIdAttribute();
        MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                m.getPersistenceUnit());

        EntityType entity = metaModel.entity(m.getEntityClazz());
        Field f = null;
        boolean isId = false;
        if (((AbstractAttribute) idCol).getJPAColumnName().equals(jpaFieldName))
        {
            f = (Field) idCol.getJavaMember();
            isId = true;
        }
        else
        {
            if (jpaFieldName != null && jpaFieldName.indexOf(Constants.INDEX_TABLE_ROW_KEY_DELIMITER) > 0)
            {
                String embeddedFieldName = jpaFieldName.substring(0,
                        jpaFieldName.indexOf(Constants.INDEX_TABLE_ROW_KEY_DELIMITER));
                String columnFieldName = jpaFieldName.substring(
                        jpaFieldName.indexOf(Constants.INDEX_TABLE_ROW_KEY_DELIMITER) + 1, jpaFieldName.length());

                Attribute embeddedAttr = entity.getAttribute(embeddedFieldName);
                try
                {
                    Class<?> embeddedClass = embeddedAttr.getJavaType();
                    if (Collection.class.isAssignableFrom(embeddedClass))
                    {
                        Class<?> genericClass = PropertyAccessorHelper.getGenericClass((Field) embeddedAttr
                                .getJavaMember());
                        f = genericClass.getDeclaredField(columnFieldName);
                    }
                    else
                    {
                        f = embeddedClass.getDeclaredField(columnFieldName);
                    }

                }
                catch (SecurityException e)
                {
                    log.error("Error while extrating " + jpaFieldName + ", Caused by: ", e);
                    throw new QueryHandlerException("Error while extrating " + jpaFieldName + ".");
                }
                catch (NoSuchFieldException e)
                {
                    log.error("Error while extrating " + jpaFieldName + ", Caused by: ", e);
                    throw new QueryHandlerException("Error while extrating " + jpaFieldName + ".");
                }
            }
            else
            {
                String discriminatorColumn = ((AbstractManagedType) entity).getDiscriminatorColumn();

                if (!jpaFieldName.equals(discriminatorColumn))
                {
                    String fieldName = m.getFieldName(jpaFieldName);

                    Attribute col = entity.getAttribute(fieldName);
                    if (col == null)
                    {
                        throw new QueryHandlerException("column type is null for: " + jpaFieldName);
                    }
                    f = (Field) col.getJavaMember();
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        try
        {
            MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(
                    m.getPersistenceUnit());

            EntityType entityType = metaModel.entity(m.getEntityClazz());

            List<AbstractManagedType> subManagedType = ((AbstractManagedType) entityType).getSubManagedType();
            for (Object o : result)
            {
                Map<String, Object> relationValue = null;
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        // about invalid characters error while executing the request.
        String aliasName = entityMetadata.getTableName() + "_";

        StringBuilder queryBuilder = new StringBuilder("Select ");

        EntityType entityType = metaModel.entity(entityMetadata.getEntityClazz());
        Set<Attribute> attributes = entityType.getAttributes();
        for (Attribute field : attributes)
        {
            if (!field.isAssociation() && !field.isCollection()
                    && !((Field) field.getJavaMember()).isAnnotationPresent(ManyToMany.class)
                    && !((Field) field.getJavaMember()).isAnnotationPresent(Transient.class)
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Related Classes of javax.persistence.metamodel.EntityType

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  • com.impetus.client.cassandra.query.CassQuery
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  • com.impetus.client.cassandra.thrift.CQLTranslator
  • com.impetus.client.cassandra.thrift.ThriftClient
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