1 /*
2 * Copyright (C) 2007 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.codehaus.plexus.component.annotations;
18
19 import java.lang.annotation.Documented;
20 import java.lang.annotation.Inherited;
21 import java.lang.annotation.Retention;
22 import java.lang.annotation.Target;
23
24 import static java.lang.annotation.ElementType.FIELD;
25 import static java.lang.annotation.ElementType.METHOD;
26 import static java.lang.annotation.RetentionPolicy.RUNTIME;
27
28 /**
29 * Configures a requirement.
30 *
31 * @deprecated see <a href="https://github.com/eclipse/sisu.plexus/wiki/Plexus-to-JSR330">Plexus-to-JSR330</a> instead.
32 * @since 1.0-alpha-33
33 */
34 @Documented
35 @Retention(RUNTIME)
36 @Target({FIELD, METHOD})
37 @Inherited
38 @Deprecated
39 public @interface Requirement {
40 Class<?> role() default Object.class;
41
42 String hint() default "";
43
44 //
45 // HACK: This is here to support component requirement lists, which can take a list of hints
46 //
47
48 String[] hints() default {};
49
50 boolean optional() default false;
51 }