org.netbeans.lib.profiler.heap.JavaFrameHprofGCRoot Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.netbeans.lib.profiler.heap;

import java.util.Iterator;

/**
 *
 * @author Tomas Hurka
 */
class JavaFrameHprofGCRoot extends HprofGCRoot implements JavaFrameGCRoot {
    
    JavaFrameHprofGCRoot(HprofGCRoots r, long offset) {
        super(r, offset);
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------


    
    private int getThreadSerialNumber() {
        return getHprofBuffer().getInt(fileOffset + 1 + getHprofBuffer().getIDSize());
    }

    public int getFrameNumber() {
        return getHprofBuffer().getInt(fileOffset + 1 + getHprofBuffer().getIDSize() + 4);
    }    

    public ThreadObjectGCRoot getThreadGCRoot() {
        return roots.getThreadGCRoot(getThreadSerialNumber());
    }

}