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java.lang.Objectorg.eclipse.mat.snapshot.HistogramRecord
org.eclipse.mat.snapshot.ClassHistogramRecord
public class ClassHistogramRecord
This class holds the histogram data on the objects found in the object set for which a histogram was computed (aggregated per class).
| Field Summary |
|---|
| Fields inherited from class org.eclipse.mat.snapshot.HistogramRecord |
|---|
COMPARATOR_FOR_LABEL, COMPARATOR_FOR_NUMBEROFOBJECTS, COMPARATOR_FOR_RETAINEDHEAPSIZE, COMPARATOR_FOR_USEDHEAPSIZE |
| Constructor Summary | |
|---|---|
ClassHistogramRecord(String label,
int classId,
int[] objectIds,
long usedHeapSize,
long retainedHeapSize)
Build a histogram record |
|
ClassHistogramRecord(String label,
int classId,
long numberOfObjects,
long usedHeapSize,
long retainedHeapSize)
Build a histogram record |
|
| Method Summary | |
|---|---|
long |
calculateRetainedSize(ISnapshot snapshot,
boolean calculateIfNotAvailable,
boolean approximation,
IProgressListener listener)
Find out the retained size |
int |
getClassId()
Get id of the class this class histogram record stands for. |
int[] |
getObjectIds()
Get ids of the objects this class histogram record stands for. |
String |
toString()
|
| Methods inherited from class org.eclipse.mat.snapshot.HistogramRecord |
|---|
getLabel, getNumberOfObjects, getRetainedHeapSize, getUsedHeapSize, incNumberOfObjects, incNumberOfObjects, incRetainedHeapSize, incUsedHeapSize, reverseComparator, setLabel, setNumberOfObjects, setRetainedHeapSize, setUsedHeapSize |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
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.| Method Detail |
|---|
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 errors
SnapshotExceptionpublic String toString()
toString in class Object
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