test/hotspot/jtreg/vmTestbase/nsk/share/gc/gp/tree/NonbranchyTreeProducer.java

/*
 * Copyright (c) 2007, 2018, 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.
 *
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package nsk.share.gc.gp.tree;

import nsk.share.gc.*;
import nsk.share.gc.gp.*;
import nsk.share.gc.Memory;

public class NonbranchyTreeProducer implements GarbageProducer<LinkedMemoryObject>, MemoryStrategyAware {
        private MemoryStrategy memoryStrategy;
        private float branchiness;

        public NonbranchyTreeProducer(MemoryStrategy memoryStrategy) {
                this(memoryStrategy, 0.75f);
        }

        public NonbranchyTreeProducer(MemoryStrategy memoryStrategy, float branchiness) {
                setMemoryStrategy(memoryStrategy);
                setBranchiness(branchiness);
        }

        public LinkedMemoryObject create(long memory) {
                long objectSize = memoryStrategy.getSize(memory);
                int objectCount = memoryStrategy.getCount(memory);
                return Memory.makeNonbranchyTree(objectCount, branchiness, (int) objectSize);
        }

        public void validate(LinkedMemoryObject obj) {
        }

        public final void setMemoryStrategy(MemoryStrategy memoryStrategy) {
                this.memoryStrategy = memoryStrategy;
        }

        public final void setBranchiness(float branchiness) {
                this.branchiness = branchiness;
        }
}