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comparison jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/EmptyEventProvider.java @ 23363:56479400913e

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jdk.vm.ci needs to securely export services (JDK-8155023)
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 Apr 2016 15:16:47 +0200
parents jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/events/EmptyEventProvider.java@1bbd4a7c274b
children 8153a654bd10
comparison
equal deleted inserted replaced
23362:ed9eec30efc1 23363:56479400913e
1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
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
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package jdk.vm.ci.hotspot.services;
24
25 /**
26 * An empty implementation for {@link EventProvider}. This implementation is used when no logging is
27 * requested.
28 */
29 final class EmptyEventProvider extends EventProvider {
30
31 public EmptyEventProvider() {
32 super(null);
33 }
34
35 static InternalError shouldNotReachHere() {
36 throw new InternalError("should not reach here");
37 }
38
39 @Override
40 public CompilationEvent newCompilationEvent() {
41 return new EmptyCompilationEvent();
42 }
43
44 static class EmptyCompilationEvent implements CompilationEvent {
45 public void commit() {
46 throw shouldNotReachHere();
47 }
48
49 public boolean shouldWrite() {
50 // Events of this class should never been written.
51 return false;
52 }
53
54 public void begin() {
55 }
56
57 public void end() {
58 }
59
60 public void setMethod(String method) {
61 throw shouldNotReachHere();
62 }
63
64 public void setCompileId(int compileId) {
65 throw shouldNotReachHere();
66 }
67
68 public void setCompileLevel(int compileLevel) {
69 throw shouldNotReachHere();
70 }
71
72 public void setSucceeded(boolean succeeded) {
73 throw shouldNotReachHere();
74 }
75
76 public void setIsOsr(boolean isOsr) {
77 throw shouldNotReachHere();
78 }
79
80 public void setCodeSize(int codeSize) {
81 throw shouldNotReachHere();
82 }
83
84 public void setInlinedBytes(int inlinedBytes) {
85 throw shouldNotReachHere();
86 }
87 }
88
89 @Override
90 public CompilerFailureEvent newCompilerFailureEvent() {
91 return new EmptyCompilerFailureEvent();
92 }
93
94 static class EmptyCompilerFailureEvent implements CompilerFailureEvent {
95 public void commit() {
96 throw shouldNotReachHere();
97 }
98
99 public boolean shouldWrite() {
100 // Events of this class should never been written.
101 return false;
102 }
103
104 public void setCompileId(int compileId) {
105 throw shouldNotReachHere();
106 }
107
108 public void setMessage(String message) {
109 throw shouldNotReachHere();
110 }
111 }
112
113 }