Java tutorial
/** * Copyright 2015 Fondazione Bruno Kessler - Trento RISE * * 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.game.repo; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.data.annotation.Id; import org.springframework.data.annotation.Transient; import org.springframework.data.mongodb.core.mapping.Document; import com.fasterxml.jackson.databind.ObjectMapper; import eu.trentorise.game.core.LogHub; import eu.trentorise.game.model.core.Notification; @Document(collection = "notification") public class NotificationPersistence extends GenericObjectPersistence { @Transient private final Logger logger = LoggerFactory.getLogger(NotificationPersistence.class); @Id private String id; public NotificationPersistence(Object obj) { super(obj); } public String getId() { return id; } public void setId(String id) { this.id = id; } public Notification toNotification() { ObjectMapper mapper = new ObjectMapper(); try { return mapper.convertValue(getObj(), (Class<? extends Notification>) Thread.currentThread() .getContextClassLoader().loadClass(getType())); } catch (Exception e) { LogHub.error(null, logger, "Problem to load class {}", getType(), e); return null; } } }