Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/MetaspaceWrapperObject.java @ 23686:50465926fbeb jvmci-0.12
make all HotSpotVMConfigAccess subclasses and their members package-private
remove toString methods from HotSpotVMConfigAccess subclasses
remove HotSpotVMConfigVerifier
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 15 Jun 2016 15:29:38 +0200 |
parents | eb166b568645 |
children |
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/* * Copyright (c) 2015, 2015, 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; /** * A tag interface indicating that this type is a wrapper around a HotSpot metaspace object that * requires GC interaction to keep alive. * * It would preferable if this were the base class containing the pointer but that would require * mixins since most of the wrapper types have complex supertype hierarchies. */ interface MetaspaceWrapperObject { long getMetaspacePointer(); /** * Check if this object is properly registered for metadata tracking. All classes which * implement this interface must be registered with the * {@link HotSpotJVMCIMetaAccessContext#add} unless they are kept alive through other means. * Currently the only type which doesn't require explicit registration is * {@link HotSpotResolvedObjectTypeImpl} since it's kept alive by references to the * {@link Class}. * * @return true if this object is properly registered for meta data tracking. */ default boolean isRegistered() { return HotSpotJVMCIRuntime.runtime().metaAccessContext.isRegistered(this); } }