Package org.apache.cassandra.index.sasi.disk

Class OnDiskBlock<T extends Term>

java.lang.Object

org.apache.cassandra.index.sasi.disk.OnDiskBlock<T>

Direct Known Subclasses:

OnDiskIndex.DataBlock, OnDiskIndex.PointerBlock

public abstract class OnDiskBlock<T extends Term>
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	OnDiskBlock.BlockType
static class	OnDiskBlock.SearchResult<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected final MappedBuffer	blockIndex
protected final int	blockIndexSize
protected final TokenTree	combinedIndex
protected final boolean	hasCombinedIndex

Constructor Summary

Constructors

Constructor	Description
OnDiskBlock(Descriptor descriptor, MappedBuffer block, OnDiskBlock.BlockType blockType)

Method Summary

Modifier and Type	Method	Description
protected abstract T	cast(MappedBuffer data)
TokenTree	getBlockIndex()
protected T	getTerm(int index)
protected long	getTermPosition(int idx)
int	maxOffset(OnDiskIndex.IteratorOrder order)
int	minOffset(OnDiskIndex.IteratorOrder order)
OnDiskBlock.SearchResult<T>	search(AbstractType<?> comparator, ByteBuffer query)
protected int	termCount()

Methods inherited from class java.lang.Object

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

Field Details

blockIndex

protected final MappedBuffer blockIndex

blockIndexSize

protected final int blockIndexSize

hasCombinedIndex

protected final boolean hasCombinedIndex

combinedIndex

protected final TokenTree combinedIndex

Constructor Details

OnDiskBlock

public OnDiskBlock(Descriptor descriptor,
 MappedBuffer block,
 OnDiskBlock.BlockType blockType)

Method Details

search

public OnDiskBlock.SearchResult<T> search(AbstractType<?> comparator,
 ByteBuffer query)

getTerm

protected T getTerm(int index)

getTermPosition

protected long getTermPosition(int idx)

termCount

protected int termCount()

cast

protected abstract T cast(MappedBuffer data)

getBlockIndex

public TokenTree getBlockIndex()

minOffset

public int minOffset(OnDiskIndex.IteratorOrder order)

maxOffset

public int maxOffset(OnDiskIndex.IteratorOrder order)