MethodInfo


1   /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10  * the License, or (at your option) any later version.
11  *
12  * This software is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this software; if not, write to the Free
19  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21  */
22  package org.jboss.reflect.spi;
23  
24  /**
25   * Method info
26   *
27   * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
28   * @author <a HREF="mailto:adrian@jboss.org">Adrian Brock</a>
29   */
30  public interface MethodInfo extends AnnotatedInfo, MemberInfo
31  {
32     /** No parameters */
33     public static final TypeInfo[] NO_PARAMS_TYPES = {};
34     
35     /** No parameters */
36     public static final ParameterInfo[] NO_PARAMS = {};
37     
38     /** No Exceptions */
39     public static final ClassInfo[] NO_EXCEPTIONS = {};
40  
41     /**
42      * Get the method name
43      * 
44      * @return the method name
45      */
46     String   getName();
47     
48     /**
49      * Get the declaring class
50      * 
51      * @return the declaring class
52      */
53     ClassInfo getDeclaringClass();
54  
55     /**
56      * Get the parameter types
57      * 
58      * @return the parameter types
59      */
60     TypeInfo[] getParameterTypes();
61  
62     /**
63      * Get the parameters
64      * 
65      * @return the parameters
66      */
67     ParameterInfo[] getParameters();
68  
69     /**
70      * Get the exception types
71      * 
72      * @return the exception types
73      */
74     ClassInfo[] getExceptionTypes();
75     
76     /**
77      * Get the return type
78      * 
79      * @return the return type
80      */
81     TypeInfo getReturnType();
82  
83     /**
84      * Invoke the method
85      * 
86      * @param target the target
87      * @param args the arguments
88      * @return the result of the invocation
89      * @throws Throwable for any error
90      */
91     Object   invoke(Object   target, Object  [] args) throws Throwable  ;
92  }
93
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