Package org.eclipse.mat.internal.collectionextract

Class Pair12CollectionExtractor

java.lang.Object

org.eclipse.mat.internal.collectionextract.PairCollectionExtractor

org.eclipse.mat.internal.collectionextract.Pair12CollectionExtractor

All Implemented Interfaces:

ICollectionExtractor

public class Pair12CollectionExtractor
extends PairCollectionExtractor

Constructor Summary

Constructors

Constructor	Description
Pair12CollectionExtractor(String field1, String field2)

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.

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

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

Methods inherited from class java.lang.Object

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

Constructor Details

Pair12CollectionExtractor

public Pair12CollectionExtractor(String field1,
 String field2)

Method Details

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 PairCollectionExtractor

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 PairCollectionExtractor

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()