Java tutorial
/** * Copyright 2014 FBK * * 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 eu.trentorise.smartcampus.parcheggiausiliari.data; import java.util.List; import java.util.Map; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.data.mongodb.core.MongoOperations; import org.springframework.data.mongodb.core.geo.Circle; import org.springframework.data.mongodb.core.query.Criteria; import org.springframework.data.mongodb.core.query.Query; import org.springframework.stereotype.Component; import com.mongodb.BasicDBObjectBuilder; import eu.trentorise.smartcampus.parcheggiausiliari.model.GeoObject; import eu.trentorise.smartcampus.presentation.common.exception.DataException; import eu.trentorise.smartcampus.presentation.common.exception.NotFoundException; import eu.trentorise.smartcampus.presentation.data.BasicObject; import eu.trentorise.smartcampus.presentation.storage.sync.mongo.GenericObjectSyncMongoStorage; @Component public class GeoStorage extends GenericObjectSyncMongoStorage<GeoSyncObjectBean> implements GeoObjectSyncStorage { @Autowired public GeoStorage(MongoOperations mongoTemplate) { super(mongoTemplate); mongoTemplate.getCollection(mongoTemplate.getCollectionName(GeoSyncObjectBean.class)) .ensureIndex(BasicDBObjectBuilder.start("location", "2d").get()); } @Override public Class<GeoSyncObjectBean> getObjectClass() { return GeoSyncObjectBean.class; } @SuppressWarnings("unchecked") @Override public <T extends GeoObject> T getObjectByIdAndAgency(Class<T> cls, String id, String agency) throws DataException, NotFoundException { Query query = Query.query(Criteria.where("content.id").is(id).and("content.agency").is(agency).and("type") .is(cls.getCanonicalName())); GeoSyncObjectBean res = mongoTemplate.findOne(query, getObjectClass()); if (res == null) throw new NotFoundException(); return (T) convertBeanToBasicObject(res, cls); } private static <T> Criteria createSearchCriteria(Class<T> cls, Circle circle, Map<String, Object> inCriteria) { Criteria criteria = new Criteria(); if (cls != null) { criteria.and("type").is(cls.getCanonicalName()); } criteria.and("deleted").is(false); if (inCriteria != null) { for (String key : inCriteria.keySet()) { criteria.and("content." + key).is(inCriteria.get(key)); } } if (circle != null) { criteria.and("location").within(circle); } return criteria; } @Override public <T extends GeoObject> List<T> searchObjects(Class<T> inCls, Circle circle, Map<String, Object> inCriteria) throws DataException { return searchObjects(inCls, circle, inCriteria, 0, 0); } @SuppressWarnings("unchecked") @Override public <T extends GeoObject> List<T> searchObjects(Class<T> inCls, Circle circle, Map<String, Object> inCriteria, int limit, int skip) throws DataException { Criteria criteria = createSearchCriteria(inCls, circle, inCriteria); Query query = Query.query(criteria); if (limit > 0) query.limit(limit); if (skip > 0) query.skip(skip); Class<T> cls = inCls; if (cls == null) cls = (Class<T>) GeoObject.class; return find(query, cls); } @Override protected <T extends BasicObject> GeoSyncObjectBean convertToObjectBean(T object) throws InstantiationException, IllegalAccessException { GeoSyncObjectBean bean = super.convertToObjectBean(object); if (object instanceof GeoObject) { bean.setLocation(((GeoObject) object).getPosition()); } return bean; } }