| /* |
| * 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.dm.runtime.itest.components; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.Hashtable; |
| import java.util.Map; |
| |
| import org.apache.felix.dm.annotation.api.Component; |
| import org.apache.felix.dm.annotation.api.ConfigurationDependency; |
| import org.apache.felix.dm.annotation.api.PropertyType; |
| import org.apache.felix.dm.annotation.api.ServiceDependency; |
| import org.apache.felix.dm.itest.util.Ensure; |
| import org.osgi.service.cm.Configuration; |
| import org.osgi.service.cm.ConfigurationAdmin; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| public class ReconfigurableComponentPropertyTypeWithOptionalConfigAnnotation { |
| public final static String ENSURE = "ReconfigurableComponentPropertyTypeWithOptionalConfigAnnotation"; |
| |
| @PropertyType |
| @Retention(RetentionPolicy.CLASS) |
| @interface MyReconfigurableProperties { |
| String string_value() default "defstring"; |
| double double_value() default 123; |
| } |
| |
| @Component(provides=MyComponent.class) |
| @MyReconfigurableProperties(string_value="another_string") |
| public static class MyComponent { |
| @ConfigurationDependency(propagate=true, required=false) |
| void updated(MyReconfigurableProperties props) { |
| System.out.println("MyComponent.updated: string_value=" + props.string_value() + ", double_value=" + props.double_value()); |
| } |
| } |
| |
| @Component |
| public static class MyConsumer { |
| @ServiceDependency(filter = "(name=" + ENSURE + ")") |
| volatile Ensure m_ensure; |
| |
| @ServiceDependency |
| volatile ConfigurationAdmin m_cm; |
| |
| Configuration m_conf; |
| |
| @ServiceDependency(changed="change") |
| void bind(MyComponent comp, Map<String, Object> props) { |
| try { |
| // first, we expect to be injected with MyComponent with the following properties: |
| // string.value=another_string and double_value=123 |
| if ("another_string".equals(props.get("string.value")) && new Double(123).equals(props.get("double.value"))) { |
| m_ensure.step(1); |
| |
| // at this point, let's reconfigure ourself |
| m_conf = m_cm.getConfiguration(MyReconfigurableProperties.class.getName()); |
| Hashtable<String, Object> newprops = new Hashtable<>(); |
| newprops.put("string.value", "a_string_configured_from_CM"); |
| m_conf.update(newprops); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| void change(MyComponent comp, Map<String, Object> props) { |
| try { |
| System.out.println("MyConsumer.change: " + props); |
| if (m_conf != null) { |
| // CM is reconfiguring us: we expect to be injected with MyComponent with the following properties: |
| // string.value=a_string_configured_from_CM and double_value=123 |
| if ("a_string_configured_from_CM".equals(props.get("string.value")) |
| && new Double(123).equals(props.get("double.value"))) { |
| m_ensure.step(2); |
| Configuration conf = m_conf; |
| m_conf = null; |
| conf.delete(); |
| } |
| } else { |
| // configuration has been deleted, we expect to be injected with default service properties: |
| // string.value=another_string" and double_value=123 |
| if ("another_string".equals(props.get("string.value")) && new Double(123).equals(props.get("double.value"))) { |
| m_ensure.step(3); |
| } |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| } |