| // Copyright 2006, 2007, 2009 The Apache Software Foundation |
| // |
| // 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 org.apache.tapestry5.annotations; |
| |
| import java.lang.annotation.Documented; |
| import static java.lang.annotation.ElementType.FIELD; |
| import java.lang.annotation.Retention; |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| import java.lang.annotation.Target; |
| |
| import static org.apache.tapestry5.ioc.annotations.AnnotationUseContext.COMPONENT; |
| import org.apache.tapestry5.ioc.annotations.UseWith; |
| |
| /** |
| * Defines an <em>implementation</em> mixin for a component. |
| */ |
| @Target(FIELD) |
| @Documented |
| @Retention(RUNTIME) |
| @UseWith({COMPONENT}) |
| public @interface Mixin |
| { |
| |
| /** |
| * Defines the type of mixin, using a logical mixin name. This value takes precedence over the type of field (to |
| * which the annotation is attached). In such cases, it is presumed that the field's type is an interface |
| * implemented by the actual mixin. The default value (the empty string) directs Tapestry to use the field type as |
| * the mixin class to instantiate and attach to the component. |
| */ |
| String value() default ""; |
| |
| /** |
| * Defines an ordering constraint for when the mixin should be applied in relation to other mixins. |
| * The string is analagous exactly to the strings used to define ordered contributions. |
| * Eg: @Mixin(order={"before:mixina","after:mixinb"}). The ids are mixin names and are case insensitive. |
| * @since 5.2.0.0 |
| */ |
| String[] order() default {}; |
| } |