public class ClassHistogramRecord extends HistogramRecord
COMPARATOR_FOR_LABEL, COMPARATOR_FOR_NUMBEROFOBJECTS, COMPARATOR_FOR_RETAINEDHEAPSIZE, COMPARATOR_FOR_USEDHEAPSIZE
Constructor and Description |
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ClassHistogramRecord(String label,
int classId,
int[] objectIds,
long usedHeapSize,
long retainedHeapSize)
Build a histogram record
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ClassHistogramRecord(String label,
int classId,
long numberOfObjects,
long usedHeapSize,
long retainedHeapSize)
Build a histogram record
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Modifier and Type | Method and Description |
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long |
calculateRetainedSize(ISnapshot snapshot,
boolean calculateIfNotAvailable,
boolean approximation,
IProgressListener listener)
Find out the retained size
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int |
getClassId()
Get id of the class this class histogram record stands for.
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int[] |
getObjectIds()
Get ids of the objects this class histogram record stands for.
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String |
toString() |
getLabel, getNumberOfObjects, getRetainedHeapSize, getUsedHeapSize, incNumberOfObjects, incNumberOfObjects, incRetainedHeapSize, incUsedHeapSize, reverseComparator, setLabel, setNumberOfObjects, setRetainedHeapSize, setUsedHeapSize
public ClassHistogramRecord(String label, int classId, long numberOfObjects, long usedHeapSize, long retainedHeapSize)
label
- the class nameclassId
- the id of the classnumberOfObjects
- the number of objects of that classusedHeapSize
- the space used by those objectsretainedHeapSize
- the total of the size of all the objects retained by those objects. 0 means
calculate when required, negative means approximate size, positive means exact retained size is known.public ClassHistogramRecord(String label, int classId, int[] objectIds, long usedHeapSize, long retainedHeapSize)
label
- the class nameclassId
- the id of the classobjectIds
- the ids of objects of that classusedHeapSize
- the space used by those objectsretainedHeapSize
- the total of the size of all the objects retained by those objects. 0 means
calculate when required, negative means approximate size, positive means exact retained size is known.public int getClassId()
public int[] getObjectIds()
public long calculateRetainedSize(ISnapshot snapshot, boolean calculateIfNotAvailable, boolean approximation, IProgressListener listener) throws SnapshotException
snapshot
- the snapshotcalculateIfNotAvailable
- whether to calculate the size if not already availableapproximation
- whether to use an approximation to the retained size (sum of the individual retained sizes)listener
- to report progress and errorsSnapshotException