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

java.lang.Object
  org.apache.cassandra.utils.MergeIterator.Reducer<IColumnIterator,AbstractCompactedRow>
      org.apache.cassandra.db.compaction.CompactionIterable.Reducer

Enclosing class:

CompactionIterable

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

Field Summary

protected java.util.List<SSTableIdentityIterator>

rows

Constructor Summary

protected

CompactionIterable.Reducer()

Method Summary

protected AbstractCompactedRow	getReduced()
void	reduce(IColumnIterator current) combine this object with the previous ones.

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

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<SSTableIdentityIterator> rows

Constructor Detail

CompactionIterable.Reducer

protected CompactionIterable.Reducer()

Method Detail

reduce

public void reduce(IColumnIterator 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<IColumnIterator,AbstractCompactedRow>

getReduced

protected AbstractCompactedRow getReduced()

Specified by:

getReduced in class MergeIterator.Reducer<IColumnIterator,AbstractCompactedRow>

Returns:

The last object computed by reduce