Java tutorial
/* * Copyright (c) 2014-2016 University of Ulm * * See the NOTICE file distributed with this work for additional information * regarding copyright ownership. 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 models; import com.google.common.collect.ImmutableMap; import java.util.Map; import javax.persistence.Column; import javax.persistence.ElementCollection; import javax.persistence.Entity; import javax.persistence.MapKeyColumn; import models.generic.Model; /** * Created by Frank on 17.03.2016. */ @Entity public class SensorConfigurations extends Model { @ElementCollection @MapKeyColumn(name = "configName") @Column(name = "configValue") private Map<String, String> configs; /** * Empty constructor for hibernate. */ protected SensorConfigurations() { } public Map<String, String> configs() { return ImmutableMap.copyOf(configs); } public void addTag(String configName, String configValue) { this.configs.put(configName, configValue); } }