org.apache.cassandra.db.compaction

Class CompactionIterable.Reducer

java.lang.Object

org.apache.cassandra.utils.MergeIterator.Reducer<OnDiskAtomIterator,AbstractCompactedRow>

org.apache.cassandra.db.compaction.CompactionIterable.Reducer

Enclosing class:

CompactionIterable

protected class CompactionIterable.Reducer
extends MergeIterator.Reducer<OnDiskAtomIterator,AbstractCompactedRow>

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<OnDiskAtomIterator>	rows

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Reducer()

Method Summary

Modifier and Type	Method and Description
protected AbstractCompactedRow	getReduced()
void	reduce(OnDiskAtomIterator current) combine this object with the previous ones.

Methods inherited from class org.apache.cassandra.utils.MergeIterator.Reducer

close, onKeyChange, trivialReduceIsTrivial

Methods inherited from class java.lang.Object

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

Field Detail

rows

protected final java.util.List<OnDiskAtomIterator> rows

Constructor Detail

Reducer

protected Reducer()

Method Detail

reduce

public void reduce(OnDiskAtomIterator current)

Description copied from class: MergeIterator.Reducer

combine this object with the previous ones. intermediate state is up to your implementation.

Specified by:

reduce in class MergeIterator.Reducer<OnDiskAtomIterator,AbstractCompactedRow>

getReduced

protected AbstractCompactedRow getReduced()

Specified by:

getReduced in class MergeIterator.Reducer<OnDiskAtomIterator,AbstractCompactedRow>

Returns:

The last object computed by reduce