public abstract class LazilyInitializedUnfilteredRowIterator extends AbstractIterator<Unfiltered> implements UnfilteredRowIterator
BigTableScanner.KeyScanningIterator
for instance.Constructor and Description |
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LazilyInitializedUnfilteredRowIterator(DecoratedKey partitionKey) |
Modifier and Type | Method and Description |
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void |
close() |
PartitionColumns |
columns()
A subset of the columns for the (static and regular) rows returned by this iterator.
|
protected Unfiltered |
computeNext() |
boolean |
initialized() |
protected abstract UnfilteredRowIterator |
initializeIterator() |
boolean |
isReverseOrder()
Whether or not the rows returned by this iterator are in reversed
clustering order.
|
protected void |
maybeInit() |
CFMetaData |
metadata()
The metadata for the table this iterator on.
|
DecoratedKey |
partitionKey()
The partition key of the partition this in an iterator over.
|
DeletionTime |
partitionLevelDeletion()
The partition level deletion for the partition this iterate over.
|
Row |
staticRow()
The static part corresponding to this partition (this can be an empty
row but cannot be
null ). |
EncodingStats |
stats()
Return "statistics" about what is returned by this iterator.
|
endOfData, hasNext, next, peek, remove
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
isEmpty
public LazilyInitializedUnfilteredRowIterator(DecoratedKey partitionKey)
protected abstract UnfilteredRowIterator initializeIterator()
protected void maybeInit()
public boolean initialized()
public CFMetaData metadata()
BaseRowIterator
metadata
in interface BaseRowIterator<Unfiltered>
public PartitionColumns columns()
BaseRowIterator
columns
in interface BaseRowIterator<Unfiltered>
public boolean isReverseOrder()
BaseRowIterator
isReverseOrder
in interface BaseRowIterator<Unfiltered>
public DecoratedKey partitionKey()
BaseRowIterator
partitionKey
in interface BaseRowIterator<Unfiltered>
public DeletionTime partitionLevelDeletion()
UnfilteredRowIterator
partitionLevelDeletion
in interface UnfilteredRowIterator
public Row staticRow()
BaseRowIterator
null
).staticRow
in interface BaseRowIterator<Unfiltered>
public EncodingStats stats()
UnfilteredRowIterator
stats
in interface UnfilteredRowIterator
protected Unfiltered computeNext()
computeNext
in class AbstractIterator<Unfiltered>
public void close()
close
in interface java.lang.AutoCloseable
close
in interface CloseableIterator<Unfiltered>
Copyright © 2018 The Apache Software Foundation