org.apache.cassandra.db
Class ColumnIndex.Builder

java.lang.Object
  org.apache.cassandra.db.ColumnIndex.Builder

Enclosing class:

ColumnIndex

public static class ColumnIndex.Builder
extends java.lang.Object

Help to create an index for a column family based on size of columns, and write said columns to disk.

Constructor Summary

ColumnIndex.Builder(ColumnFamily cf, java.nio.ByteBuffer key, int estimatedColumnCount, java.io.DataOutput output)

Method Summary

void	add(OnDiskAtom column)
ColumnIndex	build()
ColumnIndex	build(ColumnFamily cf) Serializes the index into in-memory structure with all required components such as Bloom Filter, index block size, IndexInfo list
ColumnIndex	build(java.lang.Iterable<OnDiskAtom> columns)
RangeTombstone.Tracker	tombstoneTracker()
int	writtenAtomCount()

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnIndex.Builder

public ColumnIndex.Builder(ColumnFamily cf,
                           java.nio.ByteBuffer key,
                           int estimatedColumnCount,
                           java.io.DataOutput output)

Method Detail

tombstoneTracker

public RangeTombstone.Tracker tombstoneTracker()

writtenAtomCount

public int writtenAtomCount()

build

public ColumnIndex build(ColumnFamily cf)
                  throws java.io.IOException

Serializes the index into in-memory structure with all required components such as Bloom Filter, index block size, IndexInfo list

Parameters:

cf - Column family to create index for

Returns:

information about index - it's Bloom Filter, block size and IndexInfo list

Throws:

java.io.IOException

build

public ColumnIndex build(java.lang.Iterable<OnDiskAtom> columns)
                  throws java.io.IOException

Throws:

java.io.IOException

add

public void add(OnDiskAtom column)
         throws java.io.IOException

Throws:

java.io.IOException

build

public ColumnIndex build()