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Merge pull request #931 from BroadleafCommerce/qa-2760-simple-paged-l…
…istgrids Large ResultSet and Large Query Volume Performance Improvements
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...eafcommerce/admin/server/service/handler/ProductOptionValuesCustomPersistenceHandler.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| /* | ||
| * #%L | ||
| * BroadleafCommerce Admin Module | ||
| * %% | ||
| * Copyright (C) 2009 - 2017 Broadleaf Commerce | ||
| * %% | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * #L% | ||
| */ | ||
| package org.broadleafcommerce.admin.server.service.handler; | ||
|
|
||
| import org.broadleafcommerce.common.exception.ServiceException; | ||
| import org.broadleafcommerce.common.presentation.client.OperationType; | ||
| import org.broadleafcommerce.common.sandbox.SandBoxHelper; | ||
| import org.broadleafcommerce.core.catalog.domain.ProductOptionImpl; | ||
| import org.broadleafcommerce.core.catalog.domain.ProductOptionValue; | ||
| import org.broadleafcommerce.openadmin.dto.CriteriaTransferObject; | ||
| import org.broadleafcommerce.openadmin.dto.DynamicResultSet; | ||
| import org.broadleafcommerce.openadmin.dto.PersistencePackage; | ||
| import org.broadleafcommerce.openadmin.server.dao.DynamicEntityDao; | ||
| import org.broadleafcommerce.openadmin.server.service.handler.CustomPersistenceHandlerAdapter; | ||
| import org.broadleafcommerce.openadmin.server.service.persistence.module.RecordHelper; | ||
| import org.broadleafcommerce.openadmin.server.service.persistence.module.criteria.FieldPathBuilder; | ||
| import org.broadleafcommerce.openadmin.server.service.persistence.module.criteria.FilterMapping; | ||
| import org.broadleafcommerce.openadmin.server.service.persistence.module.criteria.Restriction; | ||
| import org.broadleafcommerce.openadmin.server.service.persistence.module.criteria.predicate.PredicateProvider; | ||
| import org.springframework.stereotype.Component; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| import javax.annotation.Resource; | ||
| import javax.persistence.criteria.CriteriaBuilder; | ||
| import javax.persistence.criteria.From; | ||
| import javax.persistence.criteria.Path; | ||
| import javax.persistence.criteria.Predicate; | ||
|
|
||
| /** | ||
| * @author Jeff Fischer | ||
| */ | ||
| @Component("blProductOptionValuesCustomPersistenceHandler") | ||
| public class ProductOptionValuesCustomPersistenceHandler extends CustomPersistenceHandlerAdapter { | ||
|
|
||
| @Resource(name="blSandBoxHelper") | ||
| protected SandBoxHelper sandBoxHelper; | ||
|
|
||
| @Override | ||
| public Boolean canHandleFetch(PersistencePackage persistencePackage) { | ||
| //Make sure this is not only the right entity, but that it's also a ToOne lookup from AdminBasicOperationsController#showSelectCollectionItem() | ||
| boolean isQualified; | ||
| String ceilingEntityFullyQualifiedClassname = persistencePackage.getCeilingEntityFullyQualifiedClassname(); | ||
| try { | ||
| Class testClass = Class.forName(ceilingEntityFullyQualifiedClassname); | ||
| isQualified = ProductOptionValue.class.isAssignableFrom(testClass); | ||
| } catch (ClassNotFoundException e) { | ||
| isQualified = false; | ||
| } | ||
| if (isQualified) { | ||
| isQualified = getOptionKey(persistencePackage) != null; | ||
| } | ||
| return isQualified; | ||
| } | ||
|
|
||
| @Override | ||
| public DynamicResultSet fetch(PersistencePackage persistencePackage, CriteriaTransferObject cto, DynamicEntityDao | ||
| dynamicEntityDao, RecordHelper helper) throws ServiceException { | ||
| Long optionId = getOptionKey(persistencePackage); | ||
| if (optionId != null) { | ||
| FilterMapping filterMapping = new FilterMapping().withDirectFilterValues(sandBoxHelper.mergeCloneIds(ProductOptionImpl.class, optionId)).withRestriction(new Restriction() | ||
| .withPredicateProvider(new PredicateProvider() { | ||
| public Predicate buildPredicate(CriteriaBuilder builder, FieldPathBuilder fieldPathBuilder, From root, | ||
| String ceilingEntity, String fullPropertyName, Path explicitPath, List directValues) { | ||
| return root.get("productOption").get("id").in(directValues); | ||
| } | ||
| })); | ||
| cto.getAdditionalFilterMappings().add(filterMapping); | ||
| } | ||
| return helper.getCompatibleModule(OperationType.BASIC).fetch(persistencePackage, cto); | ||
| } | ||
|
|
||
| protected Long getOptionKey(PersistencePackage persistencePackage) { | ||
| String key = "option="; | ||
| Long response = null; | ||
| for (String criteria : persistencePackage.getCustomCriteria()) { | ||
| if (criteria.startsWith(key)) { | ||
| response = Long.parseLong(criteria.substring(key.length(), criteria.length())); | ||
| break; | ||
| } | ||
| } | ||
| return response; | ||
| } | ||
| } |
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