com.neurosys.etl.common.comparators

Class EntityComparator<T>

java.lang.Object

com.neurosys.etl.common.comparators.EntityComparator<T>

All Implemented Interfaces:

Comparator<T>

public class EntityComparator<T>
extends Object
implements Comparator<T>

Sort on Entity based on some accessor (#accessorTransfomer

Author:

Arjun Dhar TODO: Add Unit test case + the result after transformation maybe null

Constructor Summary

Constructors

Constructor and Description
EntityComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(T t1, T t2)
org.apache.commons.collections.Transformer	getAccessorTransformer() Derive a Comparable that represents a comparable option for the Entity
boolean	isAscending()
void	setAccessorTransformer(org.apache.commons.collections.Transformer accessorTransformer) Derive a Comparable that represents a comparable option for the Entity
void	setAscending(boolean ascending)

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

EntityComparator

public EntityComparator()

Method Detail

compare

public int compare(T t1,
                   T t2)

Specified by:

compare in interface Comparator<T>

isAscending

public boolean isAscending()

setAscending

public void setAscending(boolean ascending)

getAccessorTransformer

public org.apache.commons.collections.Transformer getAccessorTransformer()

Derive a Comparable that represents a comparable option for the Entity

setAccessorTransformer

public void setAccessorTransformer(org.apache.commons.collections.Transformer accessorTransformer)

Derive a Comparable that represents a comparable option for the Entity