Package org.eclipse.mat.internal.collectionextract

Class IBM6ArrayListCollectionExtractor

java.lang.Object

org.eclipse.mat.internal.collectionextract.FieldArrayCollectionExtractor

org.eclipse.mat.internal.collectionextract.IBM6ArrayListCollectionExtractor

All Implemented Interfaces:

ICollectionExtractor

public class IBM6ArrayListCollectionExtractor
extends FieldArrayCollectionExtractor

Constructor Summary

Constructors

Constructor	Description
IBM6ArrayListCollectionExtractor(String firstIndex, String lastIndex, String arrayField)
IBM6ArrayListCollectionExtractor(String firstIndex, String lastIndex, String arrayField, String sizeField)

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	getSize(IObject coll)	Extract the size of the collection.
boolean	hasSize()	Check if the size of the collection can be extracted.

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

IBM6ArrayListCollectionExtractor

public IBM6ArrayListCollectionExtractor(String firstIndex,
 String lastIndex,
 String arrayField)

IBM6ArrayListCollectionExtractor

public IBM6ArrayListCollectionExtractor(String firstIndex,
 String lastIndex,
 String arrayField,
 String sizeField)

Method Details

hasSize

public boolean hasSize()

Description copied from interface: ICollectionExtractor

Check if the size of the collection can be extracted.

Specified by:

hasSize in interface ICollectionExtractor

Overrides:

hasSize in class FieldArrayCollectionExtractor

Returns:

true if ICollectionExtractor.getSize(IObject) could be called

See Also:

• ICollectionExtractor.getSize(IObject)

getSize

public Integer getSize(IObject coll)
                throws SnapshotException

Description copied from interface: ICollectionExtractor

Extract the size of the collection.

Specified by:

getSize in interface ICollectionExtractor

Overrides:

getSize in class FieldArrayCollectionExtractor

Parameters:

coll - - the collection to find the size of

Returns:

the size, or null if not available

Throws:

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

See Also:

• ICollectionExtractor.hasSize()

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()