org.teiid.internal.core.index

Class GammaCompressedIndexBlock

java.lang.Object

org.teiid.internal.core.index.Block

org.teiid.internal.core.index.IndexBlock

org.teiid.internal.core.index.GammaCompressedIndexBlock

public class GammaCompressedIndexBlock
extends IndexBlock

Uses prefix coding on words, and gamma coding of document numbers differences.

Field Summary

Fields inherited from class org.teiid.internal.core.index.Block

blockSize, field

Constructor Summary

Constructors

Constructor and Description
GammaCompressedIndexBlock(int blockSize)

Method Summary

Modifier and Type	Method and Description
boolean	isEmpty() Returns whether the block is empty or not (if it doesn't contain any wordEntry).
boolean	nextEntry(WordEntry entry) Finds the next wordEntry and stores it in the given entry.
void	reset()

Methods inherited from class org.teiid.internal.core.index.IndexBlock

findEntryPrefixedBy, findExactEntry

Methods inherited from class org.teiid.internal.core.index.Block

read

Methods inherited from class java.lang.Object

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

Constructor Detail

GammaCompressedIndexBlock

public GammaCompressedIndexBlock(int blockSize)

Method Detail

isEmpty

public boolean isEmpty()

Description copied from class: IndexBlock

Returns whether the block is empty or not (if it doesn't contain any wordEntry).

Specified by:

isEmpty in class IndexBlock

See Also:

IndexBlock.isEmpty()

nextEntry

public boolean nextEntry(WordEntry entry)

Description copied from class: IndexBlock

Finds the next wordEntry and stores it in the given entry.

Specified by:

nextEntry in class IndexBlock

See Also:

IndexBlock.nextEntry(org.teiid.internal.core.index.WordEntry)

reset

public void reset()

Overrides:

reset in class IndexBlock

See Also:

IndexBlock.reset()