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package org.netbeans.lib.profiler.heap;
import java.util.HashMap;
import java.util.Map;
/**
*
* @author Tomas Hurka
*/
class HprofGCRoot extends HprofObject implements GCRoot {
//~ Static fields/initializers -----------------------------------------------------------------------------------------------
static Map<Integer, String> kindMap;
static {
kindMap = new HashMap<Integer, String>();
kindMap.put(Integer.valueOf(HprofHeap.ROOT_UNKNOWN), GCRoot.UNKNOWN);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_JNI_GLOBAL), GCRoot.JNI_GLOBAL);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_JNI_LOCAL), GCRoot.JNI_LOCAL);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_JAVA_FRAME), GCRoot.JAVA_FRAME);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_NATIVE_STACK), GCRoot.NATIVE_STACK);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_STICKY_CLASS), GCRoot.STICKY_CLASS);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_THREAD_BLOCK), GCRoot.THREAD_BLOCK);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_MONITOR_USED), GCRoot.MONITOR_USED);
kindMap.put(Integer.valueOf(HprofHeap.ROOT_THREAD_OBJECT), GCRoot.THREAD_OBJECT);
}
//~ Instance fields ----------------------------------------------------------------------------------------------------------
HprofHeap heap;
//~ Constructors -------------------------------------------------------------------------------------------------------------
HprofGCRoot(HprofHeap h, long offset) {
super(offset);
heap = h;
}
//~ Methods ------------------------------------------------------------------------------------------------------------------
public Instance getInstance() {
return heap.getInstanceByID(getInstanceId());
}
public String getKind() {
int k = heap.dumpBuffer.get(fileOffset);
return (String) kindMap.get(Integer.valueOf(k & 0xff));
}
long getInstanceId() {
return heap.dumpBuffer.getID(fileOffset + 1);
}
}