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/*
* 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;
}
}