com.facebook.presto.spi.block

Class VariableWidthBlockBuilder

java.lang.Object

com.facebook.presto.spi.block.AbstractVariableWidthBlock

com.facebook.presto.spi.block.VariableWidthBlockBuilder

All Implemented Interfaces:

Block, BlockBuilder

public class VariableWidthBlockBuilder
extends AbstractVariableWidthBlock
implements BlockBuilder

Field Summary

Fields inherited from class com.facebook.presto.spi.block.AbstractVariableWidthBlock

type

Constructor Summary

Constructors

Constructor and Description
VariableWidthBlockBuilder(VariableWidthType type, BlockBuilderStatus blockBuilderStatus)

Method Summary

Methods

Modifier and Type	Method and Description
BlockBuilder	appendBoolean(boolean value) Appends a boolean value to the block.
BlockBuilder	appendDouble(double value) Appends a double value to the block.
BlockBuilder	appendLong(long value) Appends a long value to the block.
BlockBuilder	appendNull() Appends a null value to the block.
BlockBuilder	appendSlice(io.airlift.slice.Slice value) Appends a Slice value to the block.
BlockBuilder	appendSlice(io.airlift.slice.Slice value, int offset, int length) Appends a range of a Slice value to the block.
Block	build() Builds the block.
protected int[]	getOffsets()
int	getPositionCount() Returns the number of positions in this block.
protected int	getPositionOffset(int position)
protected io.airlift.slice.Slice	getRawSlice()
int	getSizeInBytes() Returns the size of this block in memory.
Type	getType() Gets the type of this block.
boolean	isEmpty() Have any values been added to the block?
boolean	isFull() Is this block full? If true no more values should be added to the block.
String	toString()

Methods inherited from class com.facebook.presto.spi.block.AbstractVariableWidthBlock

appendTo, compareTo, compareTo, compareTo, cursor, equalTo, equalTo, equalTo, getBoolean, getDouble, getEncoding, getLong, getObjectValue, getRegion, getSingleValueBlock, getSlice, hash, isNull

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.spi.block.Block

appendTo, compareTo, compareTo, compareTo, cursor, equalTo, equalTo, equalTo, getBoolean, getDouble, getEncoding, getLong, getObjectValue, getRegion, getSingleValueBlock, getSlice, hash, isNull

Constructor Detail

VariableWidthBlockBuilder

public VariableWidthBlockBuilder(VariableWidthType type,
                         BlockBuilderStatus blockBuilderStatus)

Method Detail

getPositionOffset

protected int getPositionOffset(int position)

Specified by:

getPositionOffset in class AbstractVariableWidthBlock

getOffsets

protected int[] getOffsets()

Specified by:

getOffsets in class AbstractVariableWidthBlock

getRawSlice

protected io.airlift.slice.Slice getRawSlice()

Specified by:

getRawSlice in class AbstractVariableWidthBlock

getType

public Type getType()

Description copied from interface: Block

Gets the type of this block.

Specified by:

getType in interface Block

Overrides:

getType in class AbstractVariableWidthBlock

getPositionCount

public int getPositionCount()

Description copied from interface: Block

Returns the number of positions in this block.

Specified by:

getPositionCount in interface Block

isEmpty

public boolean isEmpty()

Description copied from interface: BlockBuilder

Have any values been added to the block?

Specified by:

isEmpty in interface BlockBuilder

isFull

public boolean isFull()

Description copied from interface: BlockBuilder

Is this block full? If true no more values should be added to the block.

Specified by:

isFull in interface BlockBuilder

getSizeInBytes

public int getSizeInBytes()

Description copied from interface: Block

Returns the size of this block in memory.

Specified by:

getSizeInBytes in interface Block

Overrides:

getSizeInBytes in class AbstractVariableWidthBlock

appendBoolean

public BlockBuilder appendBoolean(boolean value)

Description copied from interface: BlockBuilder

Appends a boolean value to the block.

Specified by:

appendBoolean in interface BlockBuilder

appendLong

public BlockBuilder appendLong(long value)

Description copied from interface: BlockBuilder

Appends a long value to the block.

Specified by:

appendLong in interface BlockBuilder

appendDouble

public BlockBuilder appendDouble(double value)

Description copied from interface: BlockBuilder

Appends a double value to the block.

Specified by:

appendDouble in interface BlockBuilder

appendSlice

public BlockBuilder appendSlice(io.airlift.slice.Slice value)

Description copied from interface: BlockBuilder

Appends a Slice value to the block.

Specified by:

appendSlice in interface BlockBuilder

appendSlice

public BlockBuilder appendSlice(io.airlift.slice.Slice value,
                       int offset,
                       int length)

Description copied from interface: BlockBuilder

Appends a range of a Slice value to the block.

Specified by:

appendSlice in interface BlockBuilder

appendNull

public BlockBuilder appendNull()

Description copied from interface: BlockBuilder

Appends a null value to the block.

Specified by:

appendNull in interface BlockBuilder

build

public Block build()

Description copied from interface: BlockBuilder

Builds the block. This method can be called multiple times.

Specified by:

build in interface BlockBuilder

toString

public String toString()

Overrides:

toString in class Object