| /* |
| * 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.scr.annotations; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * The <code>Component</code> annotation is the only required annotation. If |
| * this annotation is not declared in a Java class, the class is not declared as |
| * a component. |
| * <p> |
| * This annotation is used to declare the <component> element of the |
| * component declaration. See section 112.4.3, Component Element, in the OSGi |
| * Service Platform Service Compendium Specification for more information. The |
| * required <implementation> element is automatically generated with the |
| * fully qualified name of the class containing the <code>Component</code> |
| * annotation. |
| * </p> |
| */ |
| @Target(ElementType.TYPE) |
| @Retention(RetentionPolicy.CLASS) |
| public @interface Component { |
| |
| /** |
| * Defines the Component name also used as the PID for the Configuration |
| * Admin Service. Default value: Fully qualified name of the Java class. |
| */ |
| String name() default ""; |
| |
| /** |
| * This is generally used as a title for the object described by the meta |
| * type. This name may be localized by prepending a % sign to the name. |
| * Default value: %<name>.name |
| */ |
| String label() default ""; |
| |
| /** |
| * This is generally used as a description for the object described by the |
| * meta type. This name may be localized by prepending a % sign to the name. |
| * Default value: %<name>.description |
| */ |
| String description() default ""; |
| |
| /** |
| * Whether the component is enabled when the bundle starts. |
| */ |
| boolean enabled() default true; |
| |
| /** |
| * Whether the component is a factory component. |
| */ |
| String factory() default ""; |
| |
| /** |
| * Whether the component is immediately activated. |
| */ |
| boolean immediate() default false; |
| |
| /** |
| * Whether any service, property and reference declarations from base |
| * classes should be inherited by this class. |
| * @deprecated This feature will not be supported in future versions. |
| */ |
| boolean inherit() default true; |
| |
| /** |
| * Whether Metatype Service data is generated or not. If this parameter is |
| * set to true Metatype Service data is generated in the |
| * <code>metatype.xml</code> file for this component. Otherwise no Metatype |
| * Service data is generated for this component. |
| */ |
| boolean metatype() default false; |
| |
| /** |
| * This marks an abstract service description which is not added to the |
| * descriptor but intended for reuse through inheritance. This attribute |
| * defaults to true for abstract classes and false for concrete classes. |
| * @deprecated This feature will not be supported in future versions. |
| */ |
| boolean componentAbstract() default false; |
| |
| /** |
| * Whether Declarative Services descriptor is generated or not. If this |
| * parameter is not set or set to true the Declarative Services descriptor |
| * is generated in the service descriptor file for this component. Otherwise |
| * no Declarative Services descriptor is generated for this component. |
| */ |
| boolean ds() default true; |
| |
| /** |
| * The version of the Declarative Services specification against which the |
| * component is written. Generally, the Maven SCR Plugin is able to |
| * automatically detect which specification version a Component is written |
| * against. There are some cases, though, where this is not easily or |
| * reliably possible. In these cases use this attribute to force the |
| * specification version. |
| * <p> |
| * Valid values currently are <code>1.0</code> and <code>1.1</code>. If |
| * an unsupported value is declared, a descriptor failure results. |
| * |
| * @since 1.0.1 |
| */ |
| String specVersion() default ""; |
| |
| /** |
| * Generated <code>service.pid</code> property by default, if none declared |
| * explicitly. |
| */ |
| boolean createPid() default true; |
| |
| /** |
| * Set the metatype factory pid property (only for non factory components). |
| * @since 1.3 |
| */ |
| boolean configurationFactory() default false; |
| |
| /** |
| * The configuration policy |
| * @since 1.0 |
| */ |
| ConfigurationPolicy policy() default ConfigurationPolicy.OPTIONAL; |
| |
| /** |
| * The configuration pid. |
| * The default value for this is the name of the component. |
| * @since 1.7 |
| */ |
| String configurationPid() default ""; |
| } |