org.netbeans.lib.profiler.heap.HprofArrayValue Maven / Gradle / Ivy
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package org.netbeans.lib.profiler.heap;
/**
*
* @author Tomas Hurka
*/
class HprofArrayValue implements ArrayItemValue {
//~ Instance fields ----------------------------------------------------------------------------------------------------------
final ClassDump dumpClass;
final int index;
final long instanceArrayOffset;
//~ Constructors -------------------------------------------------------------------------------------------------------------
HprofArrayValue(ClassDump cls, long offset, int number) {
dumpClass = cls;
instanceArrayOffset = offset;
index = number;
}
//~ Methods ------------------------------------------------------------------------------------------------------------------
public Instance getDefiningInstance() {
return new ObjectArrayDump(dumpClass, instanceArrayOffset);
}
public int getIndex() {
return index;
}
public Instance getInstance() {
HprofHeap heap = dumpClass.getHprof();
HprofByteBuffer dumpBuffer = heap.dumpBuffer;
int idSize = dumpBuffer.getIDSize();
long instanceId = dumpBuffer.getID(instanceArrayOffset + 1 + idSize + 4 + 4 + idSize + ((long)index * (long)idSize));
return heap.getInstanceByID(instanceId);
}
}