org.apache.activemq.artemis.shaded.io.netty.util.internal.svm.PlatformDependentSubstitution Maven / Gradle / Ivy

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/*
 * Copyright 2019 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package org.apache.activemq.artemis.shaded.io.netty.util.internal.svm;

import com.oracle.svm.core.annotate.Alias;
import com.oracle.svm.core.annotate.RecomputeFieldValue;
import com.oracle.svm.core.annotate.TargetClass;

@TargetClass(className = "org.apache.activemq.artemis.shaded.io.netty.util.internal.PlatformDependent")
final class PlatformDependentSubstitution {
    private PlatformDependentSubstitution() {
    }

    /**
     * The class PlatformDependent caches the byte array base offset by reading the
     * field from PlatformDependent0. The automatic recomputation of Substrate VM
     * correctly recomputes the field in PlatformDependent0, but since the caching
     * in PlatformDependent happens during image building, the non-recomputed value
     * is cached.
     */
    @Alias
    @RecomputeFieldValue(
        kind = RecomputeFieldValue.Kind.ArrayBaseOffset,
        declClass = byte[].class)
    private static long BYTE_ARRAY_BASE_OFFSET;
}