com.yugabyte.ysql

Class TopologyAwareLoadBalancer

java.lang.Object

com.yugabyte.ysql.ClusterAwareLoadBalancer

com.yugabyte.ysql.TopologyAwareLoadBalancer

public class TopologyAwareLoadBalancer
extends ClusterAwareLoadBalancer

Field Summary

Fields inherited from class com.yugabyte.ysql.ClusterAwareLoadBalancer

columnToUseForHost, currentPublicIps, forceRefresh, GET_SERVERS_QUERY, hostPortMap, hostPortMapPublic, LOGGER, refreshListSeconds, useHostColumn

Constructor Summary

Constructors

Constructor and Description
TopologyAwareLoadBalancer(String placementValues)

Method Summary

Modifier and Type	Method and Description
protected void	clearHostIPLists()
void	decrementHostToNumConnCount(String chosenHost)
protected String	getLoadBalancerType()
protected ArrayList<String>	getPrivateOrPublicServers(ArrayList<String> privateHosts, ArrayList<String> publicHosts)
boolean	hasMorePreferredNode(String chosenHost)
protected String	loadBalancingNodes()
protected void	updateCurrentHostList(ArrayList<String> currentPrivateIps, String host, String publicIp, String cloud, String region, String zone)
void	updateFailedHosts(String chosenHost)
protected void	updatePriorityMap(String host, String cloud, String region, String zone)

Methods inherited from class com.yugabyte.ysql.ClusterAwareLoadBalancer

getConnectionCountFor, getCurrentServers, getInstance, getLeastLoadedServer, getPort, getServers, getUnreachableHosts, instance, needsRefresh, printHostToConnMap, refresh, setForRefresh, updateConnectionMap

Methods inherited from class java.lang.Object

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

Constructor Detail

TopologyAwareLoadBalancer

public TopologyAwareLoadBalancer(String placementValues)

Method Detail

loadBalancingNodes

protected String loadBalancingNodes()

Overrides:

loadBalancingNodes in class ClusterAwareLoadBalancer

clearHostIPLists

protected void clearHostIPLists()

Overrides:

clearHostIPLists in class ClusterAwareLoadBalancer

updateCurrentHostList

protected void updateCurrentHostList(ArrayList<String> currentPrivateIps,
                                     String host,
                                     String publicIp,
                                     String cloud,
                                     String region,
                                     String zone)

Overrides:

updateCurrentHostList in class ClusterAwareLoadBalancer

hasMorePreferredNode

public boolean hasMorePreferredNode(String chosenHost)

Overrides:

hasMorePreferredNode in class ClusterAwareLoadBalancer

updatePriorityMap

protected void updatePriorityMap(String host,
                                 String cloud,
                                 String region,
                                 String zone)

Overrides:

updatePriorityMap in class ClusterAwareLoadBalancer

updateFailedHosts

public void updateFailedHosts(String chosenHost)

Overrides:

updateFailedHosts in class ClusterAwareLoadBalancer

decrementHostToNumConnCount

public void decrementHostToNumConnCount(String chosenHost)

Overrides:

decrementHostToNumConnCount in class ClusterAwareLoadBalancer

getPrivateOrPublicServers

protected ArrayList<String> getPrivateOrPublicServers(ArrayList<String> privateHosts,
                                                      ArrayList<String> publicHosts)

Overrides:

getPrivateOrPublicServers in class ClusterAwareLoadBalancer

getLoadBalancerType

protected String getLoadBalancerType()

Overrides:

getLoadBalancerType in class ClusterAwareLoadBalancer