1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18 package org.apache.bcel.generic;
19
20 /**
21 * MONITORENTER - Enter monitor for object
22 * <PRE>Stack: ..., objectref -> ...</PRE>
23 *
24 * @version $Id: MONITORENTER.java 1152072 2011-07-29 01:54:05Z dbrosius $
25 * @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
26 */
27 public class MONITORENTER extends Instruction implements ExceptionThrower, StackConsumer {
28
29 private static final long serialVersionUID = 4537302966975402521L;
30
31
32 public MONITORENTER() {
33 super(org.apache.bcel.Constants.MONITORENTER, (short) 1);
34 }
35
36
37 public Class<?>[] getExceptions() {
38 return new Class[] {
39 org.apache.bcel.ExceptionConstants.NULL_POINTER_EXCEPTION
40 };
41 }
42
43
44 /**
45 * Call corresponding visitor method(s). The order is:
46 * Call visitor methods of implemented interfaces first, then
47 * call methods according to the class hierarchy in descending order,
48 * i.e., the most specific visitXXX() call comes last.
49 *
50 * @param v Visitor object
51 */
52 @Override
53 public void accept( Visitor v ) {
54 v.visitExceptionThrower(this);
55 v.visitStackConsumer(this);
56 v.visitMONITORENTER(this);
57 }
58 }