org.apache.solr.core

Class CoreSorter

java.lang.Object

org.apache.solr.core.CoreSorter

All Implemented Interfaces:

Comparator<CoreDescriptor>

public final class CoreSorter
extends Object
implements Comparator<CoreDescriptor>

This is a utility class that sorts cores in such a way as to minimize other cores waiting for replicas in the current node. This helps in avoiding leaderVote timeouts happening in other nodes of the cluster

Constructor Summary

Constructors

Constructor and Description
CoreSorter()

Method Summary

Modifier and Type	Method and Description
int	compare(CoreDescriptor cd1, CoreDescriptor cd2)
static List<CoreDescriptor>	sortCores(CoreContainer coreContainer, List<CoreDescriptor> descriptors) Primary entry-point to sort the cores.

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

CoreSorter

public CoreSorter()

Method Detail

sortCores

public static List<CoreDescriptor> sortCores(CoreContainer coreContainer,
                                             List<CoreDescriptor> descriptors)

Primary entry-point to sort the cores.

compare

public int compare(CoreDescriptor cd1,
                   CoreDescriptor cd2)

Specified by:

compare in interface Comparator<CoreDescriptor>