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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package jdk.vm.ci.hotspot;

A tag interface indicating that this type is a handledized 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.
/**
 * A tag interface indicating that this type is a handledized 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 MetaspaceHandleObject extends MetaspaceObject {

    long getMetadataHandle();

    @Override
    default long getMetaspacePointer() {
        return UnsafeAccess.UNSAFE.getLong(getMetadataHandle());
    }
}