com.facebook.presto.spi.block

Class AbstractFixedWidthBlock

java.lang.Object

com.facebook.presto.spi.block.AbstractFixedWidthBlock

All Implemented Interfaces:

Block

Direct Known Subclasses:

FixedWidthBlock, FixedWidthBlockBuilder

public abstract class AbstractFixedWidthBlock
extends Object
implements Block

Field Summary

Fields

Modifier and Type	Field and Description
protected int	entrySize
protected FixedWidthType	type

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractFixedWidthBlock(FixedWidthType type)

Method Summary

Methods

Modifier and Type	Method and Description
void	appendTo(int position, BlockBuilder blockBuilder) Appends the value at the specified position to the block builder.
int	compareTo(int position, io.airlift.slice.Slice otherSlice, int otherOffset) Compares the value at the specified position to the value at the other offset in the other slice.
int	compareTo(SortOrder sortOrder, int position, BlockCursor cursor) Compares the value at the specified position to the value at the cursor.
int	compareTo(SortOrder sortOrder, int position, Block otherBlock, int otherPosition) Compares the value at the specified position to the value at the other position in the other block.
BlockCursor	cursor() Gets a cursor over the block.
boolean	equalTo(int position, BlockCursor cursor) Is the value at the specified position equal to the value at the cursor?
boolean	equalTo(int position, Block otherBlock, int otherPosition) Is the value at the specified position equal to the value at the other position in the other block?
boolean	equalTo(int position, io.airlift.slice.Slice otherSlice, int otherOffset) Is the value at the specified position equal to the value at the other offset in the other slice?
boolean	getBoolean(int position) Gets the value at the specified position as a boolean.
double	getDouble(int position) Gets the value at the specified position as a double.
BlockEncoding	getEncoding() Get the encoding for this block.
long	getLong(int position) Gets the value at the specified position as a long.
Object	getObjectValue(ConnectorSession session, int position) Gets the value at the specified position as an Object.
protected abstract io.airlift.slice.Slice	getRawSlice()
Block	getRegion(int positionOffset, int length) Returns a block starting at the specified position and extends for the specified length.
Block	getSingleValueBlock(int position) Gets the value at the specified position as a single element block.
int	getSizeInBytes() Returns the size of this block in memory.
io.airlift.slice.Slice	getSlice(int position) Gets the value at the specified position as a Slice.
FixedWidthType	getType() Gets the type of this block.
int	hash(int position) Calculates the hash code of the value at the specified position.
boolean	isNull(int position) Is the specified position null?

Methods inherited from class java.lang.Object

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

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

getPositionCount

Field Detail

type

protected final FixedWidthType type

entrySize

protected final int entrySize

Constructor Detail

AbstractFixedWidthBlock

protected AbstractFixedWidthBlock(FixedWidthType type)

Method Detail

getRawSlice

protected abstract io.airlift.slice.Slice getRawSlice()

getType

public FixedWidthType getType()

Description copied from interface: Block

Gets the type of this block.

Specified by:

getType in interface Block

getSizeInBytes

public int getSizeInBytes()

Description copied from interface: Block

Returns the size of this block in memory.

Specified by:

getSizeInBytes in interface Block

cursor

public BlockCursor cursor()

Description copied from interface: Block

Gets a cursor over the block.

Specified by:

cursor in interface Block

getEncoding

public BlockEncoding getEncoding()

Description copied from interface: Block

Get the encoding for this block.

Specified by:

getEncoding in interface Block

getRegion

public Block getRegion(int positionOffset,
              int length)

Description copied from interface: Block

Returns a block starting at the specified position and extends for the specified length. The specified region must be entirely contained within this block.

Specified by:

getRegion in interface Block

getBoolean

public boolean getBoolean(int position)

Description copied from interface: Block

Gets the value at the specified position as a boolean.

Specified by:

getBoolean in interface Block

getLong

public long getLong(int position)

Description copied from interface: Block

Gets the value at the specified position as a long.

Specified by:

getLong in interface Block

getDouble

public double getDouble(int position)

Description copied from interface: Block

Gets the value at the specified position as a double.

Specified by:

getDouble in interface Block

getObjectValue

public Object getObjectValue(ConnectorSession session,
                    int position)

Description copied from interface: Block

Gets the value at the specified position as an Object.

Specified by:

getObjectValue in interface Block

getSlice

public io.airlift.slice.Slice getSlice(int position)

Description copied from interface: Block

Gets the value at the specified position as a Slice.

Specified by:

getSlice in interface Block

getSingleValueBlock

public Block getSingleValueBlock(int position)

Description copied from interface: Block

Gets the value at the specified position as a single element block.

Specified by:

getSingleValueBlock in interface Block

isNull

public boolean isNull(int position)

Description copied from interface: Block

Is the specified position null?

Specified by:

isNull in interface Block

equalTo

public boolean equalTo(int position,
              Block otherBlock,
              int otherPosition)

Description copied from interface: Block

Is the value at the specified position equal to the value at the other position in the other block?

Specified by:

equalTo in interface Block

equalTo

public boolean equalTo(int position,
              BlockCursor cursor)

Description copied from interface: Block

Is the value at the specified position equal to the value at the cursor?

Specified by:

equalTo in interface Block

equalTo

public boolean equalTo(int position,
              io.airlift.slice.Slice otherSlice,
              int otherOffset)

Description copied from interface: Block

Is the value at the specified position equal to the value at the other offset in the other slice?

Specified by:

equalTo in interface Block

hash

public int hash(int position)

Description copied from interface: Block

Calculates the hash code of the value at the specified position.

Specified by:

hash in interface Block

compareTo

public int compareTo(SortOrder sortOrder,
            int position,
            Block otherBlock,
            int otherPosition)

Description copied from interface: Block

Compares the value at the specified position to the value at the other position in the other block.

Specified by:

compareTo in interface Block

compareTo

public int compareTo(SortOrder sortOrder,
            int position,
            BlockCursor cursor)

Description copied from interface: Block

Compares the value at the specified position to the value at the cursor.

Specified by:

compareTo in interface Block

compareTo

public int compareTo(int position,
            io.airlift.slice.Slice otherSlice,
            int otherOffset)

Description copied from interface: Block

Compares the value at the specified position to the value at the other offset in the other slice.

Specified by:

compareTo in interface Block

appendTo

public void appendTo(int position,
            BlockBuilder blockBuilder)

Description copied from interface: Block

Appends the value at the specified position to the block builder.

Specified by:

appendTo in interface Block