Package org.eclipse.mat.internal.collectionextract

Class ArrayListSubListCollectionExtractor

java.lang.Object

org.eclipse.mat.internal.collectionextract.FieldArrayCollectionExtractor

org.eclipse.mat.internal.collectionextract.FieldSizeArrayCollectionExtractor

org.eclipse.mat.internal.collectionextract.ArrayListSubListCollectionExtractor

All Implemented Interfaces:

ICollectionExtractor

public class ArrayListSubListCollectionExtractor
extends FieldSizeArrayCollectionExtractor

Constructor Summary

Constructors

Constructor	Description
ArrayListSubListCollectionExtractor(String sizeField, String arrayField, String firstIndex)

Method Summary

Modifier and Type	Method	Description
int[]	extractEntryIds(IObject coll)	Returns the object ids (int) for all objects which are contained in the collection
Integer	getCapacity(IObject coll)	Return the capacity of the collection, if applicable

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

getSize, hasSize

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

extractEntries, getFillRatio, getNumberOfNotNullElements, hasCapacity, hasExtractableArray, hasExtractableContents, hasFillRatio

Methods inherited from class java.lang.Object

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

Constructor Details

ArrayListSubListCollectionExtractor

public ArrayListSubListCollectionExtractor(String sizeField,
 String arrayField,
 String firstIndex)

Method Details

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

Specified by:

extractEntryIds in interface ICollectionExtractor

Overrides:

extractEntryIds in class FieldArrayCollectionExtractor

Parameters:

coll - - the collection to find the objects it holds

Returns:

an array of ints which are the object ids.

Throws:

SnapshotException - if there is a problem retrieving data from the snapshot

See Also:

• ICollectionExtractor.hasExtractableContents()

getCapacity

public Integer getCapacity(IObject coll)
                    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 FieldArrayCollectionExtractor

Parameters:

coll - - the collection to find the capacity of

Returns:

the capacity in bytes, or null if unavailable

Throws:

SnapshotException - if there is a problem retrieving data from the snapshot

See Also:

• ICollectionExtractor.hasCapacity()