Package io.datarouter.filesystem.snapshot.block.leaf

Class LeafBlockV1

java.lang.Object

io.datarouter.filesystem.snapshot.block.leaf.LeafBlockV1

All Implemented Interfaces:

Block, LeafBlock

public class LeafBlockV1
extends Object
implements LeafBlock

Sections: - num keys - key endings: relative to the start of the section - keys - value block ids - value block indexes

Nested Class Summary

Nested classes/interfaces inherited from interface io.datarouter.filesystem.snapshot.block.leaf.LeafBlock

LeafBlock.ValueLocation

Field Summary

Fields

Modifier and Type	Field	Description
static String	FORMAT

Constructor Summary

Constructors

Constructor	Description
LeafBlockV1(byte[] bytes)

Method Summary

Modifier and Type	Method	Description
io.datarouter.bytes.Bytes	blockKey(int index)
io.datarouter.bytes.Bytes	blockValue(int index)
int	firstValueBlockId(int column)
int	firstValueIndex(int column)
int	heapSize()
int	numRecords()
int	numValueBlocks(int column)
long	recordId(int index)
String	toDetailedString()
String	toString()
int	valueBlockEnding(int column, int valueBlockId)
BlockKey	valueBlockKey(SnapshotKey snapshotKey, int column, int valueBlockId)
int	valueBlockOffset(int column, int valueBlockOffsetIndex)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.datarouter.filesystem.snapshot.block.leaf.LeafBlock

findRecordId, findRecordIndex, findValueBlock, firstRecordId, getValueBlock, insertionIndex, keyCopies, keys, leafRecords, search, snapshotKey, snapshotLeafRecord, snapshotValue, valueBlockIds, valueBlockOffsetForKey, valueCopies, valueIndex, values

Field Details

FORMAT

public static final String FORMAT

See Also:

Constant Field Values

Constructor Details

LeafBlockV1

public LeafBlockV1(byte[] bytes)

Method Details

toString

public String toString()

Overrides:

toString in class Object

heapSize

public int heapSize()

Specified by:

heapSize in interface Block

recordId

public long recordId(int index)

Specified by:

recordId in interface LeafBlock

numRecords

public int numRecords()

Specified by:

numRecords in interface LeafBlock

Returns:

Number of keys in the block

blockKey

public io.datarouter.bytes.Bytes blockKey(int index)

Specified by:

blockKey in interface LeafBlock

Returns:

Nth key in the block

blockValue

public io.datarouter.bytes.Bytes blockValue(int index)

Specified by:

blockValue in interface LeafBlock

Returns:

Nth value in the block

firstValueBlockId

public int firstValueBlockId(int column)

Specified by:

firstValueBlockId in interface LeafBlock

Returns:

First ValueBlock known to this LeafBlock

numValueBlocks

public int numValueBlocks(int column)

Specified by:

numValueBlocks in interface LeafBlock

Returns:

Number of ValueBlocks referenced by this LeafBlock

valueBlockEnding

public int valueBlockEnding(int column,
int valueBlockId)

Specified by:

valueBlockEnding in interface LeafBlock

valueBlockKey

public BlockKey valueBlockKey(SnapshotKey snapshotKey,
int column,
int valueBlockId)

Specified by:

valueBlockKey in interface LeafBlock

firstValueIndex

public int firstValueIndex(int column)

Specified by:

firstValueIndex in interface LeafBlock

Returns:

First index into first ValueBlock known to this LeafBlock

valueBlockOffset

public int valueBlockOffset(int column,
int valueBlockOffsetIndex)

Specified by:

valueBlockOffset in interface LeafBlock

valueBlockOffsetIndex - offset into the list of valueBlockOffsets. Passing 0 should always return 0.

Returns:

recordIndex at the requested offset

toDetailedString

public String toDetailedString()