Package org.eclipse.mat.snapshot
Class ClassLoaderHistogramRecord
- java.lang.Object
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- org.eclipse.mat.snapshot.HistogramRecord
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- org.eclipse.mat.snapshot.ClassLoaderHistogramRecord
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- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
XClassLoaderHistogramRecord
public class ClassLoaderHistogramRecord extends HistogramRecord
This class holds the histogram data on the objects found in the object set for which a histogram was computed (aggregated per class loader).- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class org.eclipse.mat.snapshot.HistogramRecord
COMPARATOR_FOR_LABEL, COMPARATOR_FOR_NUMBEROFOBJECTS, COMPARATOR_FOR_RETAINEDHEAPSIZE, COMPARATOR_FOR_USEDHEAPSIZE
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Constructor Summary
Constructors Constructor Description ClassLoaderHistogramRecord(String label, int classLoaderId, ArrayList<ClassHistogramRecord> classHistogramRecords, long numberOfObjects, long usedHeapSize, long retainedHeapSize)
Details of a class loader
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description long
calculateRetainedSize(ISnapshot snapshot, boolean calculateIfNotAvailable, boolean approximation, IProgressListener listener)
Find out the retained sizeCollection<ClassHistogramRecord>
getClassHistogramRecords()
Get collection of the class histogram records this class loader histogram record stands for.int
getClassLoaderId()
Get id of the class loader this class loader histogram record stands for.int[]
getObjectIds()
Get ids of the objects this class loader histogram record stands for.String
toString()
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Methods inherited from class org.eclipse.mat.snapshot.HistogramRecord
getLabel, getNumberOfObjects, getRetainedHeapSize, getUsedHeapSize, incNumberOfObjects, incNumberOfObjects, incRetainedHeapSize, incUsedHeapSize, reverseComparator, setLabel, setNumberOfObjects, setRetainedHeapSize, setUsedHeapSize
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Constructor Detail
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ClassLoaderHistogramRecord
public ClassLoaderHistogramRecord(String label, int classLoaderId, ArrayList<ClassHistogramRecord> classHistogramRecords, long numberOfObjects, long usedHeapSize, long retainedHeapSize)
Details of a class loader- Parameters:
label
- the name of the loaderclassLoaderId
- the id of the class loader objectclassHistogramRecords
- the histogram details of all the classes loaded by this loadernumberOfObjects
-usedHeapSize
-retainedHeapSize
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Method Detail
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getClassLoaderId
public int getClassLoaderId()
Get id of the class loader this class loader histogram record stands for.- Returns:
- id of the class loader this class loader histogram record stands for
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getClassHistogramRecords
public Collection<ClassHistogramRecord> getClassHistogramRecords()
Get collection of the class histogram records this class loader histogram record stands for.- Returns:
- collection of the class histogram records this class loader histogram record stands for
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getObjectIds
public int[] getObjectIds() throws SnapshotException
Get ids of the objects this class loader histogram record stands for.- Returns:
- ids of the objects this class loader histogram record stands for
- Throws:
SnapshotException
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calculateRetainedSize
public long calculateRetainedSize(ISnapshot snapshot, boolean calculateIfNotAvailable, boolean approximation, IProgressListener listener) throws SnapshotException
Find out the retained size- Parameters:
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- Returns:
- the retained size, negated if approximate, and 0 if unavailable
- Throws:
SnapshotException
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