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1   package org.apache.maven.plugins.annotations;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.lang.annotation.Documented;
23  import java.lang.annotation.ElementType;
24  import java.lang.annotation.Inherited;
25  import java.lang.annotation.Retention;
26  import java.lang.annotation.RetentionPolicy;
27  import java.lang.annotation.Target;
28  
29  /**
30   * This annotation will mark your class as a Mojo (ie. goal in a Maven plugin).
31   *
32   * @author Olivier Lamy
33   * @since 3.0
34   */
35  @Documented
36  @Retention( RetentionPolicy.CLASS )
37  @Target( ElementType.TYPE )
38  @Inherited
39  public @interface Mojo
40  {
41      /**
42       * goal name (required).
43       * @return the goal name
44       */
45      String name();
46  
47      /**
48       * default phase to bind your mojo.
49       * @return the default phase
50       */
51      LifecyclePhase defaultPhase() default LifecyclePhase.NONE;
52  
53      /**
54       * the required dependency resolution scope.
55       * @return the required dependency resolution scope
56       */
57      ResolutionScope requiresDependencyResolution() default ResolutionScope.NONE;
58  
59      /**
60       * the required dependency collection scope.
61       * @return the required dependency collection scope 
62       */
63      ResolutionScope requiresDependencyCollection() default ResolutionScope.NONE;
64  
65      /**
66       * your Mojo instantiation strategy. (Only <code>per-lookup</code> and <code>singleton</code> are supported)
67       * @return the instantiation strategy
68       */
69      InstantiationStrategy instantiationStrategy() default InstantiationStrategy.PER_LOOKUP;
70  
71      /**
72       * execution strategy: <code>once-per-session</code> or <code>always</code>.
73       * @return <code>once-per-session</code> or <code>always</code>
74       */
75      String executionStrategy() default "once-per-session";
76  
77      /**
78       * does your mojo requires a project to be executed?
79       * @return requires a project
80       */
81      boolean requiresProject() default true;
82  
83      /**
84       * does your mojo requires a reporting context to be executed?
85       * @return requires a reporting context
86       */
87      boolean requiresReports() default false;
88  
89      /**
90       * if the Mojo uses the Maven project and its child modules.
91       * @return uses the Maven project and its child modules
92       */
93      boolean aggregator() default false;
94  
95      /**
96       * can this Mojo be invoked directly only?
97       * @return invoked directly only
98       */
99      boolean requiresDirectInvocation() default false;
100 
101     /**
102      * does this Mojo need to be online to be executed?
103      * @return need to be online
104      */
105     boolean requiresOnline() default false;
106 
107     boolean inheritByDefault() default true;
108 
109     /**
110      * own configurator class.
111      * @return own configurator class
112      */
113     String configurator() default "";
114 
115     /**
116      * is your mojo thread safe (since Maven 3.x)?
117      * @return is thread safe
118      */
119     boolean threadSafe() default false;
120 }