com.bigdata.bop.ap

Class R.KeyOrder

java.lang.Object

com.bigdata.striterator.AbstractKeyOrder<E>

com.bigdata.bop.ap.R.KeyOrder

All Implemented Interfaces:

IKeyOrder<E>, Serializable

Enclosing class:

R

public static class R.KeyOrder
extends AbstractKeyOrder<E>
implements Serializable

Metadata about the index orders for this relation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
R.KeyOrder()

Method Summary

Methods

Modifier and Type	Method and Description
Comparator<E>	getComparator() Return the comparator that places elements into the natural order for the associated index.
String	getIndexName() The base name for the index.
int	getKeyArity() There is only one component in the key.
int	getKeyOrder(int keyPos) The [name] and [value] attributes are used to generate the key.
String	toString()

Methods inherited from class com.bigdata.striterator.AbstractKeyOrder

appendKeyComponent, getFromKey, getKey, getToKey

Methods inherited from class java.lang.Object

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

Constructor Detail

R.KeyOrder

public R.KeyOrder()

Method Detail

getComparator

public Comparator<E> getComparator()

Description copied from interface: IKeyOrder

Return the comparator that places elements into the natural order for the associated index.

Specified by:

getComparator in interface IKeyOrder<E>

getIndexName

public String getIndexName()

Description copied from interface: IKeyOrder

The base name for the index.

Specified by:

getIndexName in interface IKeyOrder<E>

getKeyArity

public int getKeyArity()

There is only one component in the key.

Specified by:

getKeyArity in interface IKeyOrder<E>

getKeyOrder

public int getKeyOrder(int keyPos)

The [name] and [value] attributes are used to generate the key. [name] is at index zero in the key. [value] is at index 1.

Specified by:

getKeyOrder in interface IKeyOrder<E>

Parameters:

keyPos - The index into the key that is being generated.

Returns:

The index of the slot in the IPredicate.

toString

public String toString()

Overrides:

toString in class Object