com.facebook.presto.spi.type

Class DoubleType

java.lang.Object

com.facebook.presto.spi.type.AbstractType

com.facebook.presto.spi.type.AbstractFixedWidthType

com.facebook.presto.spi.type.DoubleType

All Implemented Interfaces:

FixedWidthType, Type

public final class DoubleType
extends AbstractFixedWidthType

Field Summary

Fields

Modifier and Type	Field and Description
static DoubleType	DOUBLE

Method Summary

Methods

Modifier and Type	Method and Description
void	appendTo(Block block, int position, BlockBuilder blockBuilder) Append the value at position in block to blockBuilder.
int	compareTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition) Compare the values in the specified block at the specified positions equal.
boolean	equalTo(Block leftBlock, int leftPosition, Block rightBlock, int rightPosition) Are the values in the specified blocks at the specified positions equal?
double	getDouble(Block block, int position) Gets the value at the block position as a double.
Object	getObjectValue(ConnectorSession session, Block block, int position) Gets an object representation of the type value in the block position.
int	hash(Block block, int position) Calculates the hash code of the value at the specified position in the specified block.
boolean	isComparable() True if the type supports equalTo and hash.
boolean	isOrderable() True if the type supports compareTo.
void	writeDouble(BlockBuilder blockBuilder, double value) Writes the double value into the BlockBuilder.

Methods inherited from class com.facebook.presto.spi.type.AbstractFixedWidthType

createBlockBuilder, createFixedSizeBlockBuilder, getFixedSize, getSlice

Methods inherited from class com.facebook.presto.spi.type.AbstractType

equals, getBoolean, getDisplayName, getJavaType, getLong, getTypeParameters, getTypeSignature, hashCode, toString, writeBoolean, writeLong, writeSlice, writeSlice

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.facebook.presto.spi.type.Type

getBoolean, getDisplayName, getJavaType, getLong, getTypeParameters, getTypeSignature, writeBoolean, writeLong, writeSlice, writeSlice

Field Detail

DOUBLE

public static final DoubleType DOUBLE

Method Detail

isComparable

public boolean isComparable()

Description copied from interface: Type

True if the type supports equalTo and hash.

Specified by:

isComparable in interface Type

Overrides:

isComparable in class AbstractType

isOrderable

public boolean isOrderable()

Description copied from interface: Type

True if the type supports compareTo.

Specified by:

isOrderable in interface Type

Overrides:

isOrderable in class AbstractType

getObjectValue

public Object getObjectValue(ConnectorSession session,
                    Block block,
                    int position)

Description copied from interface: Type

Gets an object representation of the type value in the block position. This is the value returned to the user via the REST endpoint and therefore must be JSON serializable.

equalTo

public boolean equalTo(Block leftBlock,
              int leftPosition,
              Block rightBlock,
              int rightPosition)

Description copied from interface: Type

Are the values in the specified blocks at the specified positions equal?

Specified by:

equalTo in interface Type

Overrides:

equalTo in class AbstractType

hash

public int hash(Block block,
       int position)

Description copied from interface: Type

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

Specified by:

hash in interface Type

Overrides:

hash in class AbstractType

compareTo

public int compareTo(Block leftBlock,
            int leftPosition,
            Block rightBlock,
            int rightPosition)

Description copied from interface: Type

Compare the values in the specified block at the specified positions equal.

Specified by:

compareTo in interface Type

Overrides:

compareTo in class AbstractType

appendTo

public void appendTo(Block block,
            int position,
            BlockBuilder blockBuilder)

Description copied from interface: Type

Append the value at position in block to blockBuilder.

getDouble

public double getDouble(Block block,
               int position)

Description copied from interface: Type

Gets the value at the block position as a double.

Specified by:

getDouble in interface Type

Overrides:

getDouble in class AbstractType

writeDouble

public void writeDouble(BlockBuilder blockBuilder,
               double value)

Description copied from interface: Type

Writes the double value into the BlockBuilder.

Specified by:

writeDouble in interface Type

Overrides:

writeDouble in class AbstractType