Java TypeMappingService.getIdOfViewType方法代码示例

import org.easyrec.service.domain.TypeMappingService; //导入方法依赖的package包/类
@Override
 protected void doExecute(final ExecutionControl control, GeneratorStatistics stats) throws Exception {
     TypeMappingService typeMappingService = (TypeMappingService) getTypeMappingService();
     ItemItemConfiguration configuration = getConfiguration();

     final Integer tenantId = configuration.getTenantId();
     final Integer actionTypeId = typeMappingService.getIdOfActionType(tenantId, configuration.getActionType());
     final Integer itemTypeId = typeMappingService.getIdOfItemType(tenantId, configuration.getItemType());
     final Integer assocTypeId = typeMappingService.getIdOfAssocType(tenantId, configuration.getAssociationType());
     final Integer viewTypeId = typeMappingService.getIdOfViewType(tenantId, configuration.getViewType());
     final String sourceType = ID + "/" + VERSION;
     final Integer sourceTypeId = typeMappingService.getIdOfSourceType(tenantId, sourceType);
     final Date changeDate = new Date();

     stats.setStartDate(changeDate);

     TenantVO tenant = getTenantService().getTenantById(tenantId);

     SimilarityCalculationStrategy similarityCalculationStrategy = similarityCalculationTypes
             .get(configuration.getSimilarityType());
     similarityCalculationStrategy.setItemAssocService(itemAssocService);
     similarityCalculationStrategy.setActionDAO(actionDAO);

     PredictionComputationStrategy predictionComputationStrategy = predictionComputationTypes
             .get(configuration.getPredictionType());
     predictionComputationStrategy.setActionDAO(actionDAO);
     predictionComputationStrategy.setUserAssocDAO(userAssocDAO);

     itemItemService.setSimilarityCalculationStrategy(similarityCalculationStrategy);
     itemItemService.setPredictionComputationStrategy(predictionComputationStrategy);
     itemItemService.setConfiguration(configuration);

     // generate actions

     if (control.isAbortRequested()) return;

     control.updateProgress(new Progress(1, 4, "Generating actions"));

     int generatedActions = actionDAO.generateActions(tenantId, null);
     stats.setNumberOfActionsConsidered(generatedActions);

     // similarity calculation

     if (control.isAbortRequested()) return;

     control.updateProgress(new Progress(2, 4, "Calculating similarity"));

     itemItemService.calculateSimilarity(tenantId, actionTypeId, itemTypeId, assocTypeId, viewTypeId, sourceTypeId,
             changeDate, stats, control);

     // prediction generation

     if (control.isAbortRequested()) return;

     control.updateProgress(new Progress(3, 4, "Calculating predictions"));

     /* removed for now because user->item associations are not yet enabled

itemItemService.predict(tenantId, actionTypeId, itemTypeId, assocTypeId, viewTypeId, sourceTypeId, changeDate,
    similarityCalculationStrategy.getSourceInfo(), tenant.getRatingRangeMin(), tenant.getRatingRangeMax(),
    control); */

     control.updateProgress(new Progress(4, 4, "Finished"));
     stats.setEndDateToNow();
 }
 

import org.easyrec.service.domain.TypeMappingService; //导入方法依赖的package包/类
@Override
protected void doExecute(ExecutionControl executionControl, MahoutSlopeoneGeneratorStats stats) throws Exception {
    // when doExecute() is called, the generator has been initialized with the configuration we should use

    Date execution = new Date();

    MahoutSlopeoneGeneratorConfig config = getConfiguration();

    TypeMappingService typeMappingService = (TypeMappingService) super.getTypeMappingService();
    ItemAssocService itemAssocService = getItemAssocService();

    EasyrecDataModel easyrecDataModel = new EasyrecDataModel(config.getTenantId(), typeMappingService.getIdOfActionType(config.getTenantId(), config.getActionType()), true, mahoutDataModelMappingDAO);

    Recommender recommender = new SlopeOneRecommender(easyrecDataModel);

    itemTypeDAO.insertOrUpdate(config.getTenantId(), "USER", false);

    Integer assocType = typeMappingService.getIdOfAssocType(config.getTenantId(), config.getAssociationType());
    Integer userType = typeMappingService.getIdOfItemType(config.getTenantId(), "USER");
    Integer sourceType = typeMappingService.getIdOfSourceType(config.getTenantId(), getSourceType());
    Integer viewType = typeMappingService.getIdOfViewType(config.getTenantId(), config.getViewType());

    stats.setNumberOfItems(easyrecDataModel.getNumItems());

    for (LongPrimitiveIterator it = easyrecDataModel.getUserIDs(); it.hasNext(); ) {
        long userId = it.nextLong();
        List<RecommendedItem> recommendations = recommender.recommend(userId, config.getNumberOfRecs());

        if (recommendations.isEmpty()) {
            logger.debug("User " + userId + " : no recommendations");
        }

        // print the list of recommendations for each
        for (RecommendedItem recommendedItem : recommendations) {
            logger.debug("User " + userId + " : " + recommendedItem);

            Integer itemToId = (int) recommendedItem.getItemID();
            Integer itemToType = itemDAO.getItemTypeIdOfItem(config.getTenantId(), itemToId);

            ItemVO<Integer, Integer> fromItem = new ItemVO<Integer, Integer>(config.getTenantId(), (int) userId, userType);
            Double recommendationStrength = (double) recommendedItem.getValue();
            ItemVO<Integer, Integer> toItem = new ItemVO<Integer, Integer>(config.getTenantId(), itemToId, itemToType);

            ItemAssocVO<Integer,Integer> itemAssoc = new ItemAssocVO<Integer,Integer>(
                    config.getTenantId(), fromItem, assocType, recommendationStrength, toItem, sourceType,
                    "Mahout Slopeone Generator", viewType, null, execution);

            itemAssocService.insertOrUpdateItemAssoc(itemAssoc);
            stats.incNumberOfRulesCreated();
        }
    }

}