org.eclipse.mat.internal.collectionextract

Class ConcurrentHashMapCollectionExtractor

java.lang.Object

org.eclipse.mat.internal.collectionextract.MapCollectionExtractorBase

org.eclipse.mat.internal.collectionextract.HashedMapCollectionExtractorBase

org.eclipse.mat.internal.collectionextract.ConcurrentHashMapCollectionExtractor

All Implemented Interfaces:

ICollectionExtractor, IMapExtractor

public class ConcurrentHashMapCollectionExtractor
extends HashedMapCollectionExtractorBase

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.mat.inspections.collectionextract.IMapExtractor

IMapExtractor.EntryObject

Constructor Summary

Constructors

Constructor and Description
ConcurrentHashMapCollectionExtractor(String arrayField, String keyField, String valueField)

Method Summary

Modifier and Type	Method and Description
IObjectArray	extractEntries(IObject coll) Extracts the array containing the collection content
int[]	extractEntryIds(IObject coll) Returns the object ids (int) for all objects which are contained in the collection
Integer	getCapacity(IObject collection) Return the capacity of the collection, if applicable
Integer	getNumberOfNotNullElements(IObject collection) Returns the number of non-null elements in the collection.
Integer	getSize(IObject collection) Extract the size of the collection
boolean	hasExtractableArray() Return true if the collection array based and the array can be extracted from the heap dump
boolean	hasExtractableContents() Check if the collection has extractable contents
boolean	hasSize() Check if the size of the collection can be extracted

Methods inherited from class org.eclipse.mat.internal.collectionextract.HashedMapCollectionExtractorBase

getCollisionRatio, getFillRatio, hasCollisionRatio, hasFillRatio

Methods inherited from class org.eclipse.mat.internal.collectionextract.MapCollectionExtractorBase

extractMapEntries, hasCapacity

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConcurrentHashMapCollectionExtractor

public ConcurrentHashMapCollectionExtractor(String arrayField,
                                            String keyField,
                                            String valueField)

Method Detail

hasSize

public boolean hasSize()

Description copied from interface: ICollectionExtractor

Check if the size of the collection can be extracted

Returns:

getSize

public Integer getSize(IObject collection)
                throws SnapshotException

Description copied from interface: ICollectionExtractor

Extract the size of the collection

Returns:

Throws:

SnapshotException

getCapacity

public Integer getCapacity(IObject collection)
                    throws SnapshotException

Description copied from interface: ICollectionExtractor

Return the capacity of the collection, if applicable

Specified by:

getCapacity in interface ICollectionExtractor

Overrides:

getCapacity in class MapCollectionExtractorBase

Returns:

Throws:

SnapshotException

hasExtractableContents

public boolean hasExtractableContents()

Description copied from interface: ICollectionExtractor

Check if the collection has extractable contents

Returns:

hasExtractableArray

public boolean hasExtractableArray()

Description copied from interface: ICollectionExtractor

Return true if the collection array based and the array can be extracted from the heap dump

Returns:

extractEntries

public IObjectArray extractEntries(IObject coll)
                            throws SnapshotException

Description copied from interface: ICollectionExtractor

Extracts the array containing the collection content

Returns:

Throws:

SnapshotException

extractEntryIds

public int[] extractEntryIds(IObject coll)
                      throws SnapshotException

Description copied from interface: ICollectionExtractor

Returns the object ids (int) for all objects which are contained in the collection

Returns:

Throws:

SnapshotException

getNumberOfNotNullElements

public Integer getNumberOfNotNullElements(IObject collection)
                                   throws SnapshotException

Description copied from interface: ICollectionExtractor

Returns the number of non-null elements in the collection. Requires hasExtractableContents or hasExtractableArray

Returns:

Throws:

SnapshotException