Package org.iq80.leveldb.table

Class TableBuilder

java.lang.Object

org.iq80.leveldb.table.TableBuilder

public class TableBuilder
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private final int	blockRestartInterval
private final int	blockSize
private boolean	closed
private Slice	compressedOutput
private final CompressionType	compressionType
private final BlockBuilder	dataBlockBuilder
private long	entryCount
private final FileChannel	fileChannel
private final BlockBuilder	indexBlockBuilder
private Slice	lastKey
private BlockHandle	pendingHandle
private boolean	pendingIndexEntry
private long	position
static final long	TABLE_MAGIC_NUMBER	TABLE_MAGIC_NUMBER was picked by running echo http://code.google.com/p/leveldb/ | sha1sum and taking the leading 64 bits.
private final UserComparator	userComparator

Constructor Summary

Constructors

Constructor	Description
TableBuilder(Options options, FileChannel fileChannel, UserComparator userComparator)

Method Summary

Modifier and Type	Method	Description
void	abandon()
void	add(BlockEntry blockEntry)
void	add(Slice key, Slice value)
static int	crc32c(Slice data, CompressionType type)
void	ensureCompressedOutputCapacity(int capacity)
void	finish()
private void	flush()
long	getEntryCount()
long	getFileSize()
private static int	maxCompressedLength(int length)
private BlockHandle	writeBlock(BlockBuilder blockBuilder)

Methods inherited from class java.lang.Object

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

Field Details

TABLE_MAGIC_NUMBER

public static final long TABLE_MAGIC_NUMBER

TABLE_MAGIC_NUMBER was picked by running echo http://code.google.com/p/leveldb/ | sha1sum and taking the leading 64 bits.

See Also:

• Constant Field Values

blockRestartInterval

private final int blockRestartInterval

blockSize

private final int blockSize

compressionType

private final CompressionType compressionType

fileChannel

private final FileChannel fileChannel

dataBlockBuilder

private final BlockBuilder dataBlockBuilder

indexBlockBuilder

private final BlockBuilder indexBlockBuilder

lastKey

private Slice lastKey

userComparator

private final UserComparator userComparator

entryCount

private long entryCount

closed

private boolean closed

pendingIndexEntry

private boolean pendingIndexEntry

pendingHandle

private BlockHandle pendingHandle

compressedOutput

private Slice compressedOutput

position

private long position

Constructor Details

TableBuilder

public TableBuilder(Options options,
 FileChannel fileChannel,
 UserComparator userComparator)

Method Details

getEntryCount

public long getEntryCount()

getFileSize

public long getFileSize()
                 throws IOException

Throws:

IOException

add

public void add(BlockEntry blockEntry)
         throws IOException

Throws:

IOException

add

public void add(Slice key,
 Slice value)
         throws IOException

Throws:

IOException

flush

private void flush()
            throws IOException

Throws:

IOException

writeBlock

private BlockHandle writeBlock(BlockBuilder blockBuilder)
                        throws IOException

Throws:

IOException

maxCompressedLength

private static int maxCompressedLength(int length)

finish

public void finish()
            throws IOException

Throws:

IOException

abandon

public void abandon()

crc32c

public static int crc32c(Slice data,
 CompressionType type)

ensureCompressedOutputCapacity

public void ensureCompressedOutputCapacity(int capacity)