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Java > Open Source Codes > org > apache > bcel > generic > LoadClass


1 /*
2  * Copyright 2000-2004 The Apache Software Foundation
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.apache.bcel.generic;
18
19 /**
20  * Denotes that an instruction may start the process of loading and resolving
21  * the referenced class in the Virtual Machine.
22  *
23  * @version $Id: LoadClass.java 386056 2006-03-15 11:31:56Z tcurdt $
24  * @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
25  */
26 public interface LoadClass {
27
28     /**
29      * Returns the ObjectType of the referenced class or interface
30      * that may be loaded and resolved.
31      * @return object type that may be loaded or null if a primitive is
32      * referenced
33      */
34     public ObjectType getLoadClassType( ConstantPoolGen cpg );
35
36
37     /**
38      * Returns the type associated with this instruction.
39      * LoadClass instances are always typed, but this type
40      * does not always refer to the type of the class or interface
41      * that it possibly forces to load. For example, GETFIELD would
42      * return the type of the field and not the type of the class
43      * where the field is defined.
44      * If no class is forced to be loaded, <B>null</B> is returned.
45      * An example for this is an ANEWARRAY instruction that creates
46      * an int[][].
47      * @see #getLoadClassType(ConstantPoolGen)
48      */
49     public Type getType( ConstantPoolGen cpg );
50 }
51
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