com.facebook.presto.spi

Class SortingProperty<E>

java.lang.Object

com.facebook.presto.spi.SortingProperty<E>

All Implemented Interfaces:

LocalProperty<E>

public final class SortingProperty<E>
extends Object
implements LocalProperty<E>

Constructor Summary

Constructors

Constructor and Description
SortingProperty(E column, SortOrder order)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
E	getColumn()
Set<E>	getColumns()
SortOrder	getOrder()
int	hashCode()
boolean	isOrderSensitive() Returns true if reordering breaks this LocalProperty
boolean	isSimplifiedBy(LocalProperty<E> known) Return true if the actual LocalProperty can be used to simplify this LocalProperty
String	toString()
<T> Optional<LocalProperty<T>>	translate(Function<E,Optional<T>> translator) Returns Optional.empty() if the column could not be translated

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.presto.spi.LocalProperty

constrain, withConstants

Constructor Detail

SortingProperty

public SortingProperty(E column,
                       SortOrder order)

Method Detail

isOrderSensitive

public boolean isOrderSensitive()

Description copied from interface: LocalProperty

Returns true if reordering breaks this LocalProperty

Specified by:

isOrderSensitive in interface LocalProperty<E>

getColumn

public E getColumn()

getColumns

public Set<E> getColumns()

Specified by:

getColumns in interface LocalProperty<E>

getOrder

public SortOrder getOrder()

translate

public <T> Optional<LocalProperty<T>> translate(Function<E,Optional<T>> translator)

Returns Optional.empty() if the column could not be translated

Specified by:

translate in interface LocalProperty<E>

isSimplifiedBy

public boolean isSimplifiedBy(LocalProperty<E> known)

Description copied from interface: LocalProperty

Return true if the actual LocalProperty can be used to simplify this LocalProperty

Specified by:

isSimplifiedBy in interface LocalProperty<E>

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object