Package org.apache.cassandra.io.sstable.format.bti

Class ScrubIterator

java.lang.Object

org.apache.cassandra.io.tries.Walker<CONCRETE>

org.apache.cassandra.io.tries.ValueIterator<PartitionIndex.IndexPosIterator>

org.apache.cassandra.io.sstable.format.bti.PartitionIndex.IndexPosIterator

org.apache.cassandra.io.sstable.format.bti.ScrubIterator

All Implemented Interfaces:

Closeable, AutoCloseable, ScrubPartitionIterator

public class ScrubIterator
extends PartitionIndex.IndexPosIterator
implements ScrubPartitionIterator

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.cassandra.io.tries.ValueIterator

ValueIterator.IterationPosition

Nested classes/interfaces inherited from class org.apache.cassandra.io.tries.Walker

Walker.Extractor<RESULT,VALUE>, Walker.PayloadToString, Walker.TransitionBytesCollector

Field Summary

Fields

Modifier and Type	Field	Description
static final int	EXHAUSTED

Fields inherited from class org.apache.cassandra.io.tries.ValueIterator

stack

Fields inherited from class org.apache.cassandra.io.tries.Walker

buf, BYTE_COMPARABLE_VERSION, greaterBranch, lesserBranch, nodeType, NONE, position, root

Method Summary

Modifier and Type	Method	Description
void	advance()	Move to the next position in the index file.
void	close()
long	dataPosition()	Key position in data file or -1 if the iterator reached the end of the index.
boolean	isExhausted()
ByteBuffer	key()	Serialized partition key or null if the iterator reached the end of the index or if the key may not be fully retrieved from the index file.

Methods inherited from class org.apache.cassandra.io.sstable.format.bti.PartitionIndex.IndexPosIterator

nextIndexPos

Methods inherited from class org.apache.cassandra.io.tries.ValueIterator

advanceNode, nextCollectedValue, nextPayloadedNode, peekNode

Methods inherited from class org.apache.cassandra.io.tries.Walker

dumpTrie, follow, followWithGreater, followWithLesser, getMaxTerm, getMinTerm, go, goMax, goMin, greaterTransition, hasChildren, hasPayload, lastTransition, lesserTransition, nodeSize, nodeTypeOrdinal, payloadFlags, payloadPosition, prefix, prefixAndNeighbours, search, toString, transition, transitionByte, transitionRange

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

EXHAUSTED

public static final int EXHAUSTED

See Also:

• Constant Field Values

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ScrubPartitionIterator

Overrides:

close in class Walker<PartitionIndex.IndexPosIterator>

key

public ByteBuffer key()

Description copied from interface: ScrubPartitionIterator

Serialized partition key or null if the iterator reached the end of the index or if the key may not be fully retrieved from the index file.

Specified by:

key in interface ScrubPartitionIterator

dataPosition

public long dataPosition()

Description copied from interface: ScrubPartitionIterator

Key position in data file or -1 if the iterator reached the end of the index.

Specified by:

dataPosition in interface ScrubPartitionIterator

advance

public void advance()
             throws IOException

Description copied from interface: ScrubPartitionIterator

Move to the next position in the index file.

Specified by:

advance in interface ScrubPartitionIterator

Throws:

IOException

isExhausted

public boolean isExhausted()

Specified by:

isExhausted in interface ScrubPartitionIterator