org.apache.cassandra.service

Class StorageProxy.RangeCommandIterator

java.lang.Object

org.apache.cassandra.utils.AbstractIterator<RowIterator>

org.apache.cassandra.service.StorageProxy.RangeCommandIterator

All Implemented Interfaces:

com.google.common.collect.PeekingIterator<RowIterator>, java.lang.AutoCloseable, java.util.Iterator<RowIterator>, BasePartitionIterator<RowIterator>, PartitionIterator, CloseableIterator<RowIterator>

Enclosing class:

StorageProxy

public static class StorageProxy.RangeCommandIterator
extends AbstractIterator<RowIterator>
implements PartitionIterator

Constructor Summary

Constructors

Constructor and Description
RangeCommandIterator(java.util.Iterator<StorageProxy.RangeForQuery> ranges, PartitionRangeReadCommand command, int concurrencyFactor, int maxConcurrencyFactor, int totalRangeCount, Keyspace keyspace, ConsistencyLevel consistency)

Method Summary

Modifier and Type	Method and Description
int	batchesRequested()
void	close()
static int	computeConcurrencyFactor(int totalRangeCount, int rangesQueried, int maxConcurrencyFactor, int limit, int liveReturned)
RowIterator	computeNext()
int	rangesQueried()

Methods inherited from class org.apache.cassandra.utils.AbstractIterator

endOfData, hasNext, next, peek, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Constructor Detail

RangeCommandIterator

public RangeCommandIterator(java.util.Iterator<StorageProxy.RangeForQuery> ranges,
                            PartitionRangeReadCommand command,
                            int concurrencyFactor,
                            int maxConcurrencyFactor,
                            int totalRangeCount,
                            Keyspace keyspace,
                            ConsistencyLevel consistency)

Method Detail

computeNext

public RowIterator computeNext()

Specified by:

computeNext in class AbstractIterator<RowIterator>

computeConcurrencyFactor

public static int computeConcurrencyFactor(int totalRangeCount,
                                           int rangesQueried,
                                           int maxConcurrencyFactor,
                                           int limit,
                                           int liveReturned)

close

public void close()

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface BasePartitionIterator<RowIterator>

Specified by:

close in interface CloseableIterator<RowIterator>

rangesQueried

public int rangesQueried()

batchesRequested

public int batchesRequested()