private CustomField buildCustomFieldFromAttribute(EntityAttribute attrib) { CustomField field = new CustomField(); field.setEntityName(attrib.getEntity().getName()); field.setFieldName(attrib.getName()); field.setSourceFieldName(attrib.getSourceName()); field.setTransformationFunctionName(attrib.getTransformationFunction()); if (attrib.getFunctionParameters() != null) { field.setConfigurationParameters(deserializeParameters(attrib.getFunctionParameters())); } return field; }
@SuppressWarnings("unchecked") public void update(Observable o, Object eventData) { if (!(o instanceof EventObservable) || eventData == null || !(eventData instanceof CustomField)) { log.warn("Received unexpected event with data of " + eventData); return; } EventObservable event = (EventObservable) o; CustomField customField = (CustomField) eventData; Map<String, List<CustomField>> customFieldsListByEntityName = (Map<String, List<CustomField>>) Context.getConfiguration() .lookupConfigurationEntry( customField.getEntityName(), ConfigurationRegistry.CUSTOM_FIELD_LIST_BY_ENTITY_NAME_MAP); Map<String, Map<String, CustomField>> customFieldsMapByEntityName = (Map<String, Map<String, CustomField>>) Context.getConfiguration() .lookupConfigurationEntry( customField.getEntityName(), ConfigurationRegistry.CUSTOM_FIELD_MAP_BY_ENTITY_NAME_MAP); List<CustomField> fieldList = customFieldsListByEntityName.get(customField.getEntityName()); Map<String, CustomField> fieldMap = customFieldsMapByEntityName.get(customField.getEntityName()); if (event.getType() == ObservationEventType.CUSTOM_FIELD_ADD_EVENT) { log.debug( "A new custom field was added; we need to update the in-memory registry: " + customField); fieldList.add(customField); fieldMap.put(customField.getFieldName(), customField); } else if (event.getType() == ObservationEventType.CUSTOM_FIELD_UPDATE_EVENT) { log.debug( "A custom field was updated; we need to update the in-memory registry: " + customField); boolean found = false; for (CustomField item : fieldList) { if (item.getFieldName().equals(customField.getFieldName())) { found = true; item.setConfigurationParameters(customField.getConfigurationParameters()); item.setSourceFieldName(customField.getSourceFieldName()); item.setTransformationFunctionName(customField.getTransformationFunctionName()); log.debug( "As a result of an update custom field event, update field " + item + " in the list."); } } if (!found) { log.warn( "Received an event to update an existing custom field but the field is not found in the registry."); } fieldMap.put(customField.getFieldName(), customField); } else if (event.getType() == ObservationEventType.CUSTOM_FIELD_DELETE_EVENT) { log.debug( "A new custom field was deleted; we need to update the in-memory registry: " + customField); CustomField foundField = null; for (CustomField item : fieldList) { if (item.getFieldName().equals(customField.getFieldName())) { foundField = item; } } if (foundField != null) { fieldList.remove(foundField); log.debug( "As a result of a delete custom field event, deleted field " + foundField + " from the list."); } fieldMap.remove(customField.getFieldName()); } }