Package org.eclipse.mat.parser.model

Class XClassLoaderHistogramRecord

java.lang.Object

org.eclipse.mat.snapshot.HistogramRecord

org.eclipse.mat.snapshot.ClassLoaderHistogramRecord

org.eclipse.mat.parser.model.XClassLoaderHistogramRecord

All Implemented Interfaces:

Serializable

public final class XClassLoaderHistogramRecord
extends ClassLoaderHistogramRecord

Accumulated data about a class loader, including classes and shallow and retained sizes.

See Also:

• Serialized Form

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

Constructors

Constructor	Description
XClassLoaderHistogramRecord(String label, int classLoaderId, ArrayList<ClassHistogramRecord> classHistogramRecords, long numberOfObjects, long usedHeapSize, long retainedHeapSize)	Create record for the class loader based on the records for the classes

Method Summary

Modifier and Type	Method	Description
long	calculateRetainedSize(ISnapshot snapshot, boolean calculateIfNotAvailable, boolean approximation, IProgressListener listener)	Find out the retained size

Methods inherited from class org.eclipse.mat.snapshot.ClassLoaderHistogramRecord

getClassHistogramRecords, getClassLoaderId, getObjectIds, 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 Details

XClassLoaderHistogramRecord

public XClassLoaderHistogramRecord(String label,
 int classLoaderId,
 ArrayList<ClassHistogramRecord> classHistogramRecords,
 long numberOfObjects,
 long usedHeapSize,
 long retainedHeapSize)

Create record for the class loader based on the records for the classes

Parameters:

label - for display

classLoaderId - the object id of the class loader

classHistogramRecords - summary of all the classes loaded by the class loader

numberOfObjects - the total number of objects

usedHeapSize - the total shallow size of the loader, classes and objects

retainedHeapSize - the total retained size of the loader, classes and objects

Method Details

calculateRetainedSize

public long calculateRetainedSize(ISnapshot snapshot,
 boolean calculateIfNotAvailable,
 boolean approximation,
 IProgressListener listener)
                           throws SnapshotException

Description copied from class: ClassLoaderHistogramRecord

Find out the retained size

Overrides:

calculateRetainedSize in class ClassLoaderHistogramRecord

Parameters:

snapshot - the snapshot

calculateIfNotAvailable - whether to calculate the size if not already available

approximation - 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