Package org.rumbledb.items

Class ItemComparator

java.lang.Object

org.rumbledb.items.ItemComparator

All Implemented Interfaces:

Serializable, Comparator<Item>

public class ItemComparator
extends Object
implements Comparator<Item>, Serializable

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ItemComparator(boolean compareMin, RumbleException exception)
ItemComparator(RumbleException exception)

Method Summary

Modifier and Type	Method	Description
int	compare(Item v1, Item v2)	Comparator used for sequence aggregate functions and their RDD evaluations It compares 2 atomic items (non-null) Non-atomics and nulls throw an exception

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

ItemComparator

public ItemComparator(RumbleException exception)

ItemComparator

public ItemComparator(boolean compareMin,
 RumbleException exception)

Method Details

compare

public int compare(Item v1,
 Item v2)

Comparator used for sequence aggregate functions and their RDD evaluations It compares 2 atomic items (non-null) Non-atomics and nulls throw an exception

Specified by:

compare in interface Comparator<Item>

Returns:

-1 if v1 < v2; 0 if v1 == v2; 1 if v1 > v2;