Mercurial > hg > graal-jvmci-8
diff jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/EmptyEventProvider.java @ 23363:56479400913e
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 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/services/EmptyEventProvider.java Thu Apr 28 15:16:47 2016 +0200 @@ -0,0 +1,113 @@ +/* + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package jdk.vm.ci.hotspot.services; + +/** + * An empty implementation for {@link EventProvider}. This implementation is used when no logging is + * requested. + */ +final class EmptyEventProvider extends EventProvider { + + public EmptyEventProvider() { + super(null); + } + + static InternalError shouldNotReachHere() { + throw new InternalError("should not reach here"); + } + + @Override + public CompilationEvent newCompilationEvent() { + return new EmptyCompilationEvent(); + } + + static class EmptyCompilationEvent implements CompilationEvent { + public void commit() { + throw shouldNotReachHere(); + } + + public boolean shouldWrite() { + // Events of this class should never been written. + return false; + } + + public void begin() { + } + + public void end() { + } + + public void setMethod(String method) { + throw shouldNotReachHere(); + } + + public void setCompileId(int compileId) { + throw shouldNotReachHere(); + } + + public void setCompileLevel(int compileLevel) { + throw shouldNotReachHere(); + } + + public void setSucceeded(boolean succeeded) { + throw shouldNotReachHere(); + } + + public void setIsOsr(boolean isOsr) { + throw shouldNotReachHere(); + } + + public void setCodeSize(int codeSize) { + throw shouldNotReachHere(); + } + + public void setInlinedBytes(int inlinedBytes) { + throw shouldNotReachHere(); + } + } + + @Override + public CompilerFailureEvent newCompilerFailureEvent() { + return new EmptyCompilerFailureEvent(); + } + + static class EmptyCompilerFailureEvent implements CompilerFailureEvent { + public void commit() { + throw shouldNotReachHere(); + } + + public boolean shouldWrite() { + // Events of this class should never been written. + return false; + } + + public void setCompileId(int compileId) { + throw shouldNotReachHere(); + } + + public void setMessage(String message) { + throw shouldNotReachHere(); + } + } + +}