List of usage examples for javax.persistence.metamodel Attribute getJavaMember
java.lang.reflect.Member getJavaMember();
java.lang.reflect.Member for the represented attribute. From source file:com.impetus.client.cassandra.thrift.CQLTranslator.java
/** * On translation./* www .j a va2 s . com*/ * * @param record * the record * @param m * the m * @param type * the type * @param metaModel * the meta model * @param entityClazz * the entity clazz * @param entityType * the entity type * @param builders * the builders * @param columnBuilders * the column builders * @param externalProperties * the external properties * @param kunderaMetadata * the kundera metadata */ private void onTranslation(final Object record, final EntityMetadata m, TranslationType type, MetamodelImpl metaModel, Class entityClazz, EntityType entityType, Map<String, StringBuilder> builders, Map<String, StringBuilder> columnBuilders, Map<String, Object> externalProperties, final KunderaMetadata kunderaMetadata) { Set<Attribute> attributes = entityType.getAttributes(); Iterator<Attribute> iterator = attributes.iterator(); while (iterator.hasNext()) { Attribute attribute = iterator.next(); // Populating table name. String tableName = ((AbstractAttribute) attribute).getTableName() != null ? ((AbstractAttribute) attribute).getTableName() : m.getTableName(); StringBuilder columnBuilder = columnBuilders.get(tableName); if (columnBuilder == null) { columnBuilder = new StringBuilder(); columnBuilders.put(tableName, columnBuilder); } StringBuilder builder = builders.get(tableName); if (builder == null) { builder = new StringBuilder(); builders.put(tableName, builder); } Field field = (Field) attribute.getJavaMember(); if (!attribute.equals(m.getIdAttribute()) && !((AbstractAttribute) attribute).getJPAColumnName() .equals(((AbstractAttribute) m.getIdAttribute()).getJPAColumnName())) { if (metaModel.isEmbeddable(((AbstractAttribute) attribute).getBindableJavaType())) { // create embedded entity persisting format if (field.isAnnotationPresent(ElementCollection.class)) { // handle embeddable collection // check list, map, set // build embedded value StringBuilder elementCollectionValue = buildElementCollectionValue(field, record, metaModel, attribute); columnBuilder.append(Constants.ESCAPE_QUOTE); columnBuilder.append(((AbstractAttribute) attribute).getJPAColumnName()); columnBuilder.append(Constants.ESCAPE_QUOTE); columnBuilder.append(Constants.COMMA); builder.append(elementCollectionValue); builder.append(Constants.COMMA); } else { EmbeddableType embeddableKey = metaModel.embeddable(field.getType()); Object embeddableKeyObj = PropertyAccessorHelper.getObject(record, field); if (embeddableKeyObj != null) { StringBuilder embeddedValueBuilder = new StringBuilder(Constants.OPEN_CURLY_BRACKET); for (Field embeddableColumn : field.getType().getDeclaredFields()) { if (!ReflectUtils.isTransientOrStatic(embeddableColumn)) { AbstractAttribute subAttribute = (AbstractAttribute) embeddableKey .getAttribute(embeddableColumn.getName()); if (metaModel.isEmbeddable(subAttribute.getBindableJavaType())) { // construct map; recursive // send attribute if (embeddableColumn.isAnnotationPresent(ElementCollection.class)) { // build element collection value StringBuilder elementCollectionValue = buildElementCollectionValue( embeddableColumn, embeddableKeyObj, metaModel, (Attribute) subAttribute); appendColumnName(embeddedValueBuilder, ((AbstractAttribute) (embeddableKey .getAttribute(embeddableColumn.getName()))) .getJPAColumnName()); embeddedValueBuilder.append(Constants.COLON); embeddedValueBuilder.append(elementCollectionValue); } else { buildEmbeddedValue(embeddableKeyObj, metaModel, embeddedValueBuilder, (SingularAttribute) subAttribute); } } else { // append key value appendColumnName(embeddedValueBuilder, ((AbstractAttribute) (embeddableKey .getAttribute(embeddableColumn.getName()))) .getJPAColumnName()); embeddedValueBuilder.append(Constants.COLON); appendColumnValue(embeddedValueBuilder, embeddableKeyObj, embeddableColumn); } embeddedValueBuilder.append(Constants.COMMA); } } // strip last char and append '}' embeddedValueBuilder.deleteCharAt(embeddedValueBuilder.length() - 1); embeddedValueBuilder.append(Constants.CLOSE_CURLY_BRACKET); // add to columnbuilder and builder columnBuilder.append(Constants.ESCAPE_QUOTE); columnBuilder.append(((AbstractAttribute) attribute).getJPAColumnName()); columnBuilder.append(Constants.ESCAPE_QUOTE); columnBuilder.append(Constants.COMMA); builder.append(embeddedValueBuilder); builder.append(Constants.COMMA); // end if } } } else if (!ReflectUtils.isTransientOrStatic(field) && !attribute.isAssociation()) { onTranslation(type, builder, columnBuilder, ((AbstractAttribute) attribute).getJPAColumnName(), record, field); } } } for (String tableName : columnBuilders.keySet()) { translateCompositeId(record, m, type, metaModel, builders, columnBuilders, externalProperties, kunderaMetadata, tableName, m.getIdAttribute()); } // on inherited columns. onDiscriminatorColumn(builders.get(m.getTableName()), columnBuilders.get(m.getTableName()), entityType); }
From source file:com.impetus.client.redis.RedisClient.java
/** * Wraps entity attributes into byte[] and return instance of attribute * wrapper./*from ww w . ja va 2 s.co m*/ * * @param entityMetadata * @param entity * @return */ private AttributeWrapper wrap(EntityMetadata entityMetadata, Object entity) { MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata() .getMetamodel(entityMetadata.getPersistenceUnit()); EntityType entityType = metaModel.entity(entityMetadata.getEntityClazz()); Set<Attribute> attributes = entityType.getAttributes(); // attributes can be null??? i guess NO AttributeWrapper wrapper = new AttributeWrapper(attributes.size()); List<String> relationNames = entityMetadata.getRelationNames(); // PropertyAccessorHelper.get(entity, for (Attribute attr : attributes) { if (/* !entityMetadata.getIdAttribute().equals(attr) && */!attr.isAssociation()) { if (metaModel.isEmbeddable(((AbstractAttribute) attr).getBindableJavaType())) { EmbeddableType embeddableAttribute = metaModel .embeddable(((AbstractAttribute) attr).getBindableJavaType()); Object embeddedObject = PropertyAccessorHelper.getObject(entity, (Field) attr.getJavaMember()); Set<Attribute> embeddedAttributes = embeddableAttribute.getAttributes(); for (Attribute attrib : embeddedAttributes) { addToWrapper(entityMetadata, wrapper, embeddedObject, attrib, attr); } } else { addToWrapper(entityMetadata, wrapper, entity, attr); } } else if (attributes.size() == 1) // means it is only a key! weird // but possible negative // scenario { byte[] value = PropertyAccessorHelper.get(entity, (Field) attr.getJavaMember()); byte[] name; name = getEncodedBytes(((AbstractAttribute) attr).getJPAColumnName()); // add column name as key and value as value wrapper.addColumn(name, value); } } return wrapper; }
From source file:com.impetus.client.cassandra.schemamanager.CassandraSchemaManager.java
/** * Creates the typefor embeddables./*from w w w . j av a 2 s. co m*/ * */ private void createTypeforEmbeddables() { if (!createdPuEmbeddables.contains(puMetadata.getPersistenceUnitName())) { CQLTranslator translator = new CQLTranslator(); Map<String, String> embNametoUDTQuery = new HashMap<String, String>(); Map<String, List<String>> embNametoDependentList = new HashMap<String, List<String>>(); MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata() .getMetamodel(puMetadata.getPersistenceUnitName()); Iterator iter = metaModel.getEmbeddables().iterator(); while (iter.hasNext()) { List<String> childEmb = new ArrayList<String>(); String typeQuery = CQLTranslator.CREATE_TYPE; EmbeddableType embeddedColumn = (EmbeddableType) iter.next(); if (!embeddedColumn.getPersistenceType().equals(PersistenceType.EMBEDDABLE)) { continue; } typeQuery = StringUtils.replace(typeQuery, CQLTranslator.TYPE, translator .ensureCase(new StringBuilder(), embeddedColumn.getJavaType().getSimpleName(), false) .toString()); StringBuilder typeQueryBuilder = new StringBuilder(); for (Object column : embeddedColumn.getAttributes()) { Attribute columnAttribute = (Attribute) column; Field f = (Field) columnAttribute.getJavaMember(); if (columnAttribute.getJavaType().isAnnotationPresent(Embeddable.class)) { // handle embeddable String cqlType = CQLTranslator.FROZEN + Constants.STR_LT + Constants.ESCAPE_QUOTE + columnAttribute.getJavaType().getSimpleName() + Constants.ESCAPE_QUOTE + Constants.STR_GT; translator.appendColumnName(typeQueryBuilder, columnAttribute.getName(), cqlType); typeQueryBuilder.append(Constants.SPACE_COMMA); childEmb.add(columnAttribute.getJavaType().getSimpleName()); } else if (columnAttribute.isCollection()) { // handle element collection with embeddables handleElementCollectionAttribute(translator, columnAttribute, typeQueryBuilder); if (!MetadataUtils.isBasicElementCollectionField((Field) columnAttribute.getJavaMember())) { childEmb.add( ((AbstractAttribute) columnAttribute).getBindableJavaType().getSimpleName()); } } else { String cqlType = null; String dataType = CassandraValidationClassMapper.getValidationClass(f.getType(), true); cqlType = translator.getCQLType(dataType); // check for JPA names translator.appendColumnName(typeQueryBuilder, ((AbstractAttribute) columnAttribute).getJPAColumnName(), cqlType); typeQueryBuilder.append(Constants.SPACE_COMMA); } } typeQueryBuilder = replaceColumnsAndStripLastChar(typeQuery, typeQueryBuilder); typeQueryBuilder.append(CQLTranslator.CLOSE_BRACKET); embNametoUDTQuery.put(embeddedColumn.getJavaType().getSimpleName(), typeQueryBuilder.toString()); embNametoDependentList.put(embeddedColumn.getJavaType().getSimpleName(), childEmb); // run query final } postProcessEmbedded(embNametoUDTQuery, embNametoDependentList); createdPuEmbeddables.add(puMetadata.getPersistenceUnitName()); } }
From source file:com.impetus.client.cassandra.schemamanager.CassandraSchemaManager.java
/** * Handle element collection attribute.//w ww . ja v a 2 s . c o m * * @param translator * the translator * @param attribute * the attribute * @param typeQueryBuilder * the type query builder */ private void handleElementCollectionAttribute(CQLTranslator translator, Attribute attribute, StringBuilder typeQueryBuilder) { String dataType = CassandraValidationClassMapper.getValidationClass(attribute.getJavaType(), true); // CQL Type of collection column String collectionCqlType = translator.getCQLType(dataType); // Collection Column Name String collectionColumnName = new String(((AbstractAttribute) attribute).getJPAColumnName()); // Generic Type list StringBuilder genericTypesBuilder = null; List<Class<?>> genericClasses = PropertyAccessorHelper.getGenericClasses((Field) attribute.getJavaMember()); if (!genericClasses.isEmpty()) { genericTypesBuilder = new StringBuilder(); if (MapType.class.getSimpleName().equals(dataType) && genericClasses.size() == 2) { genericTypesBuilder.append(Constants.STR_LT); if (genericClasses.get(0).getAnnotation(Embeddable.class) != null) { String frozenKey = CQLTranslator.FROZEN + Constants.STR_LT + Constants.ESCAPE_QUOTE + genericClasses.get(0).getSimpleName() + Constants.ESCAPE_QUOTE + Constants.STR_GT; genericTypesBuilder.append(frozenKey); } else { String keyDataType = CassandraValidationClassMapper.getValidationClass(genericClasses.get(0), true); genericTypesBuilder.append(translator.getCQLType(keyDataType)); } genericTypesBuilder.append(Constants.SPACE_COMMA); if (genericClasses.get(1).getAnnotation(Embeddable.class) != null) { String frozenKey = CQLTranslator.FROZEN + Constants.STR_LT + Constants.ESCAPE_QUOTE + genericClasses.get(1).getSimpleName() + Constants.ESCAPE_QUOTE + Constants.STR_GT; genericTypesBuilder.append(frozenKey); } else { String keyDataType = CassandraValidationClassMapper.getValidationClass(genericClasses.get(1), true); genericTypesBuilder.append(translator.getCQLType(keyDataType)); } genericTypesBuilder.append(Constants.STR_GT); } else if ((ListType.class.getSimpleName().equals(dataType) || SetType.class.getSimpleName().equals(dataType)) && genericClasses.size() == 1) { genericTypesBuilder.append(Constants.STR_LT); if (genericClasses.get(0).getAnnotation(Embeddable.class) != null) { String frozenKey = CQLTranslator.FROZEN + Constants.STR_LT + Constants.ESCAPE_QUOTE + genericClasses.get(0).getSimpleName() + Constants.ESCAPE_QUOTE + Constants.STR_GT; genericTypesBuilder.append(frozenKey); } else { String keyDataType = CassandraValidationClassMapper.getValidationClass(genericClasses.get(0), true); genericTypesBuilder.append(translator.getCQLType(keyDataType)); } genericTypesBuilder.append(Constants.STR_GT); } else { throw new SchemaGenerationException("Incorrect collection field definition for " + ((AbstractAttribute) attribute).getJPAColumnName() + ". Generic Types must be defined correctly."); } } if (genericTypesBuilder != null) { collectionCqlType += genericTypesBuilder.toString(); } translator.appendColumnName(typeQueryBuilder, collectionColumnName, collectionCqlType); typeQueryBuilder.append(Constants.SPACE_COMMA); }