1 /*
2  * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
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7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
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17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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22  */
23 
24 package jdk.test.lib.jittester;
25 // an utility class to limit steps in the production of an expression
26 public class ProductionLimiter {
27 
28     private static Integer limit = -1;
29 
setUnlimited()30     public static void setUnlimited() {
31         limit = -1;
32     }
33 
34     // initialize limit state
setLimit()35     public static void setLimit() {
36         limit = ProductionParams.productionLimit.value();
37     }
38 
39     // iterate a limit, throwing exception in case it hit
limitProduction()40     public static void limitProduction() throws ProductionFailedException {
41         if (limit > 0) {
42             limit--;
43         }
44         if (limit != -1 && limit <= 0) {
45             throw new ProductionFailedException();
46         }
47     }
48 }
49