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java.lang.Objectorg.eclipse.mat.internal.collectionextract.EmptyCollectionExtractor
public class EmptyCollectionExtractor
Known-empty collections
| Constructor Summary | |
|---|---|
EmptyCollectionExtractor()
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| Method Summary | |
|---|---|
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 coll)
Return the capacity of the collection, if applicable |
Double |
getFillRatio(IObject coll)
Calculate the fill ration of a collection |
Integer |
getNumberOfNotNullElements(IObject collection)
Returns the number of non-null elements in the collection. |
Integer |
getSize(IObject coll)
Extract the size of the collection |
boolean |
hasCapacity()
Check if the collection has capacity, e.g. |
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 |
hasFillRatio()
Check if fill ratio for the collection can be calculated, i.e. |
boolean |
hasSize()
Check if the size of the collection can be extracted |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public EmptyCollectionExtractor()
| Method Detail |
|---|
public boolean hasSize()
ICollectionExtractor
hasSize in interface ICollectionExtractor
public Integer getSize(IObject coll)
throws SnapshotException
ICollectionExtractor
getSize in interface ICollectionExtractorSnapshotExceptionpublic boolean hasCapacity()
ICollectionExtractor
hasCapacity in interface ICollectionExtractor
public Integer getCapacity(IObject coll)
throws SnapshotException
ICollectionExtractor
getCapacity in interface ICollectionExtractorSnapshotExceptionpublic boolean hasExtractableContents()
ICollectionExtractor
hasExtractableContents in interface ICollectionExtractor
public int[] extractEntryIds(IObject coll)
throws SnapshotException
ICollectionExtractor
extractEntryIds in interface ICollectionExtractorSnapshotExceptionpublic boolean hasExtractableArray()
ICollectionExtractor
hasExtractableArray in interface ICollectionExtractor
public IObjectArray extractEntries(IObject coll)
throws SnapshotException
ICollectionExtractor
extractEntries in interface ICollectionExtractorSnapshotException
public Integer getNumberOfNotNullElements(IObject collection)
throws SnapshotException
ICollectionExtractor
getNumberOfNotNullElements in interface ICollectionExtractorSnapshotExceptionpublic boolean hasFillRatio()
ICollectionExtractor
hasFillRatio in interface ICollectionExtractor
public Double getFillRatio(IObject coll)
throws SnapshotException
ICollectionExtractor
getFillRatio in interface ICollectionExtractorSnapshotException
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