Package com.broadleafcommerce.inventory.service

Class DefaultUpdateComparator<I>

java.lang.Object

com.broadleafcommerce.inventory.service.DefaultUpdateComparator<I>

Type Parameters:

I -

All Implemented Interfaces:

Comparator<com.broadleafcommerce.data.tracking.core.service.Update<I>>

public class DefaultUpdateComparator<I>
extends Object
implements Comparator<com.broadleafcommerce.data.tracking.core.service.Update<I>>

Provides a comparator to order update items by their ID to avoid deadlocks in RDBMS systems where multiple updates occur with pessimistic locking inside a single transaction.

Author:

Kelly Tisdell (ktisdell)

Constructor Summary

Constructors

Constructor	Description
DefaultUpdateComparator()

Method Summary

Modifier and Type	Method	Description
int	compare(com.broadleafcommerce.data.tracking.core.service.Update<I> o1, com.broadleafcommerce.data.tracking.core.service.Update<I> o2)

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 Detail

DefaultUpdateComparator

public DefaultUpdateComparator()

Method Detail

compare

public int compare(com.broadleafcommerce.data.tracking.core.service.Update<I> o1,
                   com.broadleafcommerce.data.tracking.core.service.Update<I> o2)

Specified by:

compare in interface Comparator<I>