Java tutorial
/* * Copyright 2015 Space Dynamics Laboratory - Utah State University Research Foundation. * * 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. */ package edu.usu.sdl.openstorefront.service.search; import com.orientechnologies.orient.core.record.impl.ODocument; import edu.usu.sdl.openstorefront.common.util.Convert; import edu.usu.sdl.openstorefront.core.entity.ComponentReview; import edu.usu.sdl.openstorefront.core.model.search.SearchElement; import edu.usu.sdl.openstorefront.core.model.search.SearchOperation; import edu.usu.sdl.openstorefront.validation.ValidationResult; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import org.apache.commons.lang.StringUtils; /** * * @author dshurtleff */ public class UserRatingSearchHandler extends BaseSearchHandler { public UserRatingSearchHandler(List<SearchElement> searchElements) { super(searchElements); } @Override protected ValidationResult internalValidate() { ValidationResult validationResult = new ValidationResult(); for (SearchElement searchElement : searchElements) { if (StringUtils.isBlank(searchElement.getValue())) { validationResult.getRuleResults().add(getRuleResult("Value", "Required")); } if (StringUtils.isNumeric(searchElement.getValue()) == false) { validationResult.getRuleResults().add(getRuleResult("Value", "Must be a integer number")); } } return validationResult; } @Override public List<String> processSearch() { List<String> foundIds = new ArrayList<>(); SearchOperation.MergeCondition mergeCondition = SearchOperation.MergeCondition.OR; for (SearchElement searchElement : searchElements) { String query = "select componentId, avg(rating) as rating from " + ComponentReview.class.getSimpleName() + " group by componentId "; Integer checkValue = Convert.toInteger(searchElement.getValue()); if (checkValue == null) { checkValue = 0; } List<ODocument> queryResults = serviceProxy.getPersistenceService().query(query, new HashMap<>()); List<String> results = new ArrayList<>(); for (ODocument oDocument : queryResults) { Integer value = oDocument.field("rating"); if (searchElement.getNumberOperation().pass(value, checkValue)) { results.add(oDocument.field("componentId")); } } foundIds = mergeCondition.apply(foundIds, results); mergeCondition = searchElement.getMergeCondition(); } return foundIds; } }