| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.felix.dependencymanager.samples.device.api; |
| |
| import java.util.Hashtable; |
| |
| import org.apache.felix.dm.Component; |
| import org.apache.felix.dm.DependencyManager; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class DeviceAccessImpl implements DeviceAccess { |
| volatile Device device; |
| volatile DeviceParameter deviceParameter; |
| |
| void init(Component component) { |
| // Dynamically add an extra dependency on a DeviceParameter. |
| // We also add a "device.access.id" property dynamically. |
| Hashtable<String, Object> props = new Hashtable<>(); |
| props.put("device.access.id", device.getDeviceId()); |
| |
| DependencyManager dm = component.getDependencyManager(); |
| component |
| .setServiceProperties(props) |
| .add(dm.createServiceDependency().setService(DeviceParameter.class, "(device.id=" + device.getDeviceId() + ")").setRequired(true)); |
| } |
| |
| @Override |
| public Device getDevice() { |
| return device; |
| } |
| |
| @Override |
| public DeviceParameter getDeviceParameter() { |
| return deviceParameter; |
| } |
| } |