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.query.ResultIterator.java
/** * Parse and append cql3 token function for iter.next() call. * //from w w w .j av a 2 s . c o m * @param translator * cql translator. * @param query * the query * @return parsed/append cql3 query. */ private String prepareNext(CQLTranslator translator, String query) { if (checkOnEmptyResult()) { String idName = ((AbstractAttribute) entityMetadata.getIdAttribute()).getJPAColumnName(); Map<Boolean, String> filterOnId = getConditionOnIdColumn(idName); if (filterOnId.get(true) != null) { String condition = filterOnId.get(true); // means id clause present in query. // now if id attribute is embeddable then fetch partition key // for token // if condition is with equals then no need to go for another // fetch. if (condition.equals("=")) { // no need to fetch another record, as there will be only // one return null; } else if (condition.endsWith(">") || condition.equals(">=")) { query = replaceAppliedToken(query); return query; } } // Means there is an previous entity. Object entity = results.get(results.size() - 1); Class idClazz = ((AbstractAttribute) entityMetadata.getIdAttribute()).getBindableJavaType(); Object id = PropertyAccessorHelper.getId(entity, entityMetadata); StringBuilder builder = new StringBuilder(CQLTranslator.TOKEN); MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata() .getMetamodel(entityMetadata.getPersistenceUnit()); EmbeddableType keyObj = null; // Bytes bytes = null; String columnName = null; if (metaModel.isEmbeddable(entityMetadata.getIdAttribute().getBindableJavaType())) { keyObj = metaModel.embeddable(entityMetadata.getIdAttribute().getBindableJavaType()); Field embeddedField = getPartitionKeyField(); Attribute partitionKey = keyObj.getAttribute(embeddedField.getName()); Object partitionKeyValue = PropertyAccessorHelper.getObject(id, (Field) partitionKey.getJavaMember()); columnName = ((AbstractAttribute) partitionKey).getJPAColumnName(); id = partitionKeyValue; idClazz = ((AbstractAttribute) partitionKey).getBindableJavaType(); // StringBuilder pkNameTokens = new StringBuilder("token("); // StringBuilder pkValueTokens = new StringBuilder("token("); // buildPartitionKeyTokens(metaModel, // entityMetadata.getIdAttribute(), id, translator, // pkNameTokens, // pkValueTokens); } else { columnName = CassandraUtilities.getIdColumnName(kunderaMetadata, entityMetadata, externalProperties, ((CassandraClientBase) client).isCql3Enabled(entityMetadata)); } translator.appendColumnName(builder, columnName); builder.append(CQLTranslator.CLOSE_BRACKET); builder.append(" > "); builder.append(CQLTranslator.TOKEN); translator.appendValue(builder, idClazz, id, false, false); builder.append(CQLTranslator.CLOSE_BRACKET); return builder.toString(); } return null; }
From source file:com.impetus.client.cassandra.query.ResultIterator.java
private void buildPartitionKeyTokens(MetamodelImpl metaModel, SingularAttribute idAttribute, Object id, CQLTranslator translator, StringBuilder pkNameTokens, StringBuilder pkValueTokens) { EmbeddableType keyObj = metaModel.embeddable(entityMetadata.getIdAttribute().getBindableJavaType()); Field embeddedField = getPartitionKeyField(); if (embeddedField == null) { // use tokens on the fields (no clustering keys Field[] fields = entityMetadata.getIdAttribute().getBindableJavaType().getDeclaredFields(); for (Field field : fields) { Object value = PropertyAccessorHelper.getObject(id, field); String columnName = ((AbstractAttribute) keyObj.getAttribute(field.getName())).getJPAColumnName(); translator.appendColumnName(pkNameTokens, columnName); translator.appendValue(pkValueTokens, field.getType(), value, false, false); }/*from www .j a v a2 s . c o m*/ } else { // use tokens for partition key fields (fields in embeddedField) and // where clause for clustering fields Attribute partitionKey = keyObj.getAttribute(embeddedField.getName()); EmbeddableType partitionKeyObj = metaModel.embeddable(partitionKey.getJavaType()); Object partitionKeyValue = PropertyAccessorHelper.getObject(id, (Field) partitionKey.getJavaMember()); Field[] fields = partitionKey.getJavaType().getDeclaredFields(); // handle for part keys for (Field field : fields) { if (!ReflectUtils.isTransientOrStatic(field)) { Object value = PropertyAccessorHelper.getObject(partitionKeyValue, field); String columnName = ((AbstractAttribute) partitionKeyObj.getAttribute(field.getName())) .getJPAColumnName(); translator.appendColumnName(pkNameTokens, columnName); translator.appendValue(pkValueTokens, field.getType(), value, false, false); pkNameTokens.append(CQLTranslator.COMMA_STR); pkValueTokens.append(CQLTranslator.COMMA_STR); } } pkNameTokens.delete(pkNameTokens.lastIndexOf(CQLTranslator.COMMA_STR), pkNameTokens.length()); pkValueTokens.delete(pkValueTokens.lastIndexOf(CQLTranslator.COMMA_STR), pkValueTokens.length()); pkNameTokens.append(CQLTranslator.CLOSE_BRACKET); pkValueTokens.append(CQLTranslator.CLOSE_BRACKET); // TODO: handle for cluster keys throw new UnsupportedOperationException( "Pagination is not suported via ThriftClient on primary key with clustering keys..."); } }
From source file:com.impetus.client.neo4j.GraphEntityMapper.java
/** * //w ww .ja v a2s. co m * Gets (if available) or creates a node for the given entity */ private Node getOrCreateNodeWithUniqueFactory(final Object entity, final Object id, final EntityMetadata m, GraphDatabaseService graphDb) { final String idColumnName = ((AbstractAttribute) m.getIdAttribute()).getJPAColumnName(); final MetamodelImpl metaModel = (MetamodelImpl) kunderaMetadata.getApplicationMetadata() .getMetamodel(m.getPersistenceUnit()); final String idUniqueValue = serializeIdAttributeValue(m, metaModel, id); UniqueFactory<Node> factory = new UniqueFactory.UniqueNodeFactory(graphDb, m.getIndexName()) { /** * Initialize ID attribute */ @Override protected void initialize(Node created, Map<String, Object> properties) { // Set Embeddable ID attribute if (metaModel.isEmbeddable(m.getIdAttribute().getBindableJavaType())) { // Populate embedded field value in serialized format created.setProperty(idColumnName, idUniqueValue); // Populated all other attributes of embedded into this node Set<Attribute> embeddableAttributes = metaModel .embeddable(m.getIdAttribute().getBindableJavaType()).getSingularAttributes(); for (Attribute attribute : embeddableAttributes) { String columnName = ((AbstractAttribute) attribute).getJPAColumnName(); if (columnName == null) columnName = attribute.getName(); Object value = PropertyAccessorHelper.getObject(id, (Field) attribute.getJavaMember()); if (value != null) created.setProperty(columnName, value); } } else { created.setProperty(idColumnName, properties.get(idColumnName)); } } }; if (metaModel.isEmbeddable(m.getIdAttribute().getBindableJavaType())) { return factory.getOrCreate(idColumnName, idUniqueValue); } else { return factory.getOrCreate(idColumnName, id); } }
From source file:com.evolveum.midpoint.repo.sql.helpers.ObjectDeltaUpdater.java
private AttributeStep stepThroughAttribute(Attribute attribute, AttributeStep step, Iterator<ItemPathSegment> segments) { Method method = (Method) attribute.getJavaMember(); switch (attribute.getPersistentAttributeType()) { case EMBEDDED: step.managedType = entityRegistry.getMapping(attribute.getJavaType()); Object child = invoke(step.bean, method); if (child == null) { // embedded entity doesn't exist we have to create it first, so it can be populated later Class childType = getRealOutputType(attribute); try { child = childType.newInstance(); PropertyUtils.setSimpleProperty(step.bean, attribute.getName(), child); } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException ex) { throw new SystemException("Couldn't create new instance of '" + childType.getName() + "', attribute '" + attribute.getName() + "'", ex); }//from w w w.j av a2s . c o m } step.bean = child; break; case ONE_TO_MANY: // object extension is handled separately, only {@link Container} and references are handled here Class clazz = getRealOutputType(attribute); IdItemPathSegment id = (IdItemPathSegment) segments.next(); Collection c = (Collection) invoke(step.bean, method); if (!Container.class.isAssignableFrom(clazz)) { throw new SystemException( "Don't know how to go through collection of '" + getRealOutputType(attribute) + "'"); } boolean found = false; for (Container o : (Collection<Container>) c) { long l = o.getId().longValue(); if (l == id.getId()) { step.managedType = entityRegistry.getMapping(clazz); step.bean = o; found = true; break; } } if (!found) { throw new RuntimeException("Couldn't find container of type '" + getRealOutputType(attribute) + "' with id '" + id + "'"); } break; case ONE_TO_ONE: // assignment extension is handled separately break; default: // nothing to do for other cases } return step; }
From source file:com.evolveum.midpoint.repo.sql.helpers.ObjectDeltaUpdater.java
private void handleAttribute(Attribute attribute, Object bean, ItemDelta delta, PrismObject prismObject, PrismIdentifierGenerator idGenerator) { Method method = (Method) attribute.getJavaMember(); switch (attribute.getPersistentAttributeType()) { case BASIC:/* www . j a v a 2s . c om*/ case EMBEDDED: handleBasicOrEmbedded(bean, delta, attribute); break; case MANY_TO_MANY: // not used in our mappings throw new SystemException("Don't know how to handle @ManyToMany relationship, should not happen"); case ONE_TO_ONE: // assignment extension is handled separately break; case MANY_TO_ONE: // this can't be in delta (probably) throw new SystemException("Don't know how to handle @ManyToOne relationship, should not happen"); case ONE_TO_MANY: // object extension is handled separately, only {@link Container} and references are handled here Collection oneToMany = (Collection) invoke(bean, method); handleOneToMany(oneToMany, delta, attribute, bean, prismObject, idGenerator); break; case ELEMENT_COLLECTION: Collection elementCollection = (Collection) invoke(bean, method); handleElementCollection(elementCollection, delta, attribute, bean, prismObject, idGenerator); break; } }
From source file:com.evolveum.midpoint.repo.sql.helpers.ObjectDeltaUpdater.java
private Class getRealOutputType(Attribute attribute) { Class type = attribute.getJavaType(); if (!Collection.class.isAssignableFrom(type)) { return type; }/*from www . j av a 2 s . c om*/ Method method = (Method) attribute.getJavaMember(); ParameterizedType parametrized = (ParameterizedType) method.getGenericReturnType(); Type t = parametrized.getActualTypeArguments()[0]; if (t instanceof Class) { return (Class) t; } parametrized = (ParameterizedType) t; return (Class) parametrized.getRawType(); }
From source file:com.impetus.kundera.client.cassandra.dsdriver.DSClient.java
/** * Gets the compound key.//w w w. j av a 2 s.c o m * * @param attribute * the attribute * @param entity * the entity * @return the compound key * @throws InstantiationException * the instantiation exception * @throws IllegalAccessException * the illegal access exception */ private Object getCompoundKey(Attribute attribute, Object entity) throws InstantiationException, IllegalAccessException { Object compoundKeyObject = null; if (entity != null) { compoundKeyObject = PropertyAccessorHelper.getObject(entity, (Field) attribute.getJavaMember()); if (compoundKeyObject == null) { compoundKeyObject = ((AbstractAttribute) attribute).getBindableJavaType().newInstance(); } } return compoundKeyObject; }
From source file:com.impetus.client.oraclenosql.OracleNoSQLClient.java
/** * setter field.//from www. ja v a 2 s . co m * * @param row * the row * @param schemaTable * the schema table * @param embeddedObject * the embedded object * @param embeddedAttrib * the embedded attrib */ private void setField(Row row, Table schemaTable, Object embeddedObject, Attribute embeddedAttrib) { Field field = (Field) embeddedAttrib.getJavaMember(); FieldDef fieldDef = schemaTable.getField(((AbstractAttribute) embeddedAttrib).getJPAColumnName()); Object valueObj = PropertyAccessorHelper.getObject(embeddedObject, field); if (valueObj != null) NoSqlDBUtils.add(fieldDef, row, valueObj, ((AbstractAttribute) embeddedAttrib).getJPAColumnName()); }
From source file:com.impetus.client.rdbms.query.RDBMSEntityReader.java
/** * //from w w w . j a v a 2 s .c om * @param entityMetadata * @param primaryKeys * @param aliasName * @param queryBuilder * @param entityType */ private void onCondition(EntityMetadata entityMetadata, MetamodelImpl metamodel, Set<String> primaryKeys, String aliasName, StringBuilder queryBuilder, EntityType entityType) { if (primaryKeys == null) { for (Object o : conditions) { if (o instanceof FilterClause) { FilterClause clause = ((FilterClause) o); Object value = clause.getValue().get(0); String propertyName = clause.getProperty(); String condition = clause.getCondition(); if (StringUtils.contains(propertyName, '.')) { int indexOf = propertyName.indexOf("."); String jpaColumnName = propertyName.substring(0, indexOf); String embeddedColumnName = propertyName.substring(indexOf + 1, propertyName.length()); String fieldName = entityMetadata.getFieldName(jpaColumnName); Attribute attribute = entityType.getAttribute(fieldName); EmbeddableType embeddedType = metamodel .embeddable(((AbstractAttribute) attribute).getBindableJavaType()); Attribute embeddedAttribute = embeddedType.getAttribute(embeddedColumnName); addClause(entityMetadata, aliasName, queryBuilder, entityType, value, condition, fieldName, embeddedAttribute); } else { String fieldName = entityMetadata.getFieldName(propertyName); Attribute attribute = entityType.getAttribute(fieldName); if (metamodel.isEmbeddable(((AbstractAttribute) attribute).getBindableJavaType())) { EmbeddableType embeddedType = metamodel .embeddable(((AbstractAttribute) attribute).getBindableJavaType()); Set<Attribute> attributes = embeddedType.getAttributes(); for (Attribute embeddedAttribute : attributes) { Object embeddedAttributevalue = PropertyAccessorHelper.getObject(value, (Field) embeddedAttribute.getJavaMember()); addClause(entityMetadata, aliasName, queryBuilder, entityType, embeddedAttributevalue, condition, propertyName, embeddedAttribute); queryBuilder.append(" and "); } queryBuilder.delete(queryBuilder.lastIndexOf("and"), queryBuilder.lastIndexOf("and") + 3); } else if (((AbstractAttribute) entityMetadata.getIdAttribute()).getJPAColumnName() .equals(propertyName)) { addClause(entityMetadata, aliasName, queryBuilder, entityType, value, condition, propertyName, entityMetadata.getIdAttribute()); } else { addClause(entityMetadata, aliasName, queryBuilder, entityType, value, condition, propertyName, attribute); } } } else { queryBuilder.append(" "); queryBuilder.append(o); queryBuilder.append(" "); } } } else { queryBuilder.append(aliasName); queryBuilder.append("."); queryBuilder.append(((AbstractAttribute) entityMetadata.getIdAttribute()).getJPAColumnName()); queryBuilder.append(" "); queryBuilder.append("IN("); int count = 0; Attribute col = entityMetadata.getIdAttribute(); boolean isString = isStringProperty(entityType, col); for (String key : primaryKeys) { appendStringPrefix(queryBuilder, isString); queryBuilder.append(key); appendStringPrefix(queryBuilder, isString); if (++count != primaryKeys.size()) { queryBuilder.append(","); } else { queryBuilder.append(")"); } } } }
From source file:com.impetus.client.oraclenosql.OracleNoSQLClient.java
/** * Read embeddable.//from w w w . j a v a 2 s. c om * * @param key * the key * @param columnsToSelect * the columns to select * @param entityMetadata * the entity metadata * @param metamodel * the metamodel * @param schemaTable * the schema table * @param value * the value * @param attribute * the attribute */ private void readEmbeddable(Object key, List<String> columnsToSelect, EntityMetadata entityMetadata, MetamodelImpl metamodel, Table schemaTable, RecordValue value, Attribute attribute) { EmbeddableType embeddableId = metamodel.embeddable(((AbstractAttribute) attribute).getBindableJavaType()); Set<Attribute> embeddedAttributes = embeddableId.getAttributes(); for (Attribute embeddedAttrib : embeddedAttributes) { String columnName = ((AbstractAttribute) embeddedAttrib).getJPAColumnName(); Object embeddedColumn = PropertyAccessorHelper.getObject(key, (Field) embeddedAttrib.getJavaMember()); // either null or empty or contains that column if (eligibleToFetch(columnsToSelect, columnName)) { NoSqlDBUtils.add(schemaTable.getField(columnName), value, embeddedColumn, columnName); } } }