Package io.datarouter.bytes.blockfile.encoding.valueblock.impl

Class BlockfileSequentialValueBlockCodec

java.lang.Object

io.datarouter.bytes.blockfile.encoding.valueblock.impl.BlockfileSequentialValueBlockCodec

All Implemented Interfaces:

BlockfileValueBlockCodec

public class BlockfileSequentialValueBlockCodec
extends Object
implements BlockfileValueBlockCodec

Rows are appended without any offset dictionary. Slow for point queries because we must decode all entries rather than something like binary searching.

Nested Class Summary

Nested classes/interfaces inherited from interface io.datarouter.bytes.blockfile.encoding.valueblock.BlockfileValueBlockCodec

BlockfileValueBlockCodec.BlockfileEncodedValueBlock, BlockfileValueBlockCodec.BlockfileValueBlockRows

Constructor Summary

Constructors

Constructor	Description
BlockfileSequentialValueBlockCodec()

Method Summary

Modifier and Type	Method	Description
BlockfileValueBlockCodec.BlockfileValueBlockRows	decode(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock, BlockfileRowKeyRangeReader.BlockfileKeyRange keyRange)
BlockfileValueBlockCodec.BlockfileEncodedValueBlock	encode(BlockfileValueBlockCodec.BlockfileValueBlockRows input)
Optional<BlockfileRow>	findLatestVersion(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock, byte[] key)
io.datarouter.scanner.Scanner<BlockfileRow>	scanAllVersions(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock, byte[] key)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.datarouter.bytes.blockfile.encoding.valueblock.BlockfileValueBlockCodec

containsKey, row

Constructor Details

BlockfileSequentialValueBlockCodec

public BlockfileSequentialValueBlockCodec()

Method Details

encode

public BlockfileValueBlockCodec.BlockfileEncodedValueBlock encode(BlockfileValueBlockCodec.BlockfileValueBlockRows input)

Specified by:

encode in interface BlockfileValueBlockCodec

decode

public BlockfileValueBlockCodec.BlockfileValueBlockRows decode(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock,
 BlockfileRowKeyRangeReader.BlockfileKeyRange keyRange)

Specified by:

decode in interface BlockfileValueBlockCodec

scanAllVersions

public io.datarouter.scanner.Scanner<BlockfileRow> scanAllVersions(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock,
 byte[] key)

Specified by:

scanAllVersions in interface BlockfileValueBlockCodec

findLatestVersion

public Optional<BlockfileRow> findLatestVersion(BlockfileValueBlockCodec.BlockfileEncodedValueBlock encodedBlock,
 byte[] key)

Specified by:

findLatestVersion in interface BlockfileValueBlockCodec