org.apache.ignite.internal.client.balancer

Interface GridClientLoadBalancer

All Known Implementing Classes:

GridClientBalancerAdapter, GridClientRandomBalancer, GridClientRoundRobinBalancer

public interface GridClientLoadBalancer

Interface that defines a selection logic of a server node for a particular operation. Use it to define custom load balancing logic for client. Load balancer is specified via GridClientConfiguration.getBalancer() configuration property.

The following implementations are provided out of the box:

• GridClientRandomBalancer
• GridClientRoundRobinBalancer

Method Summary

Modifier and Type	Method and Description
GridClientNode	balancedNode(Collection<? extends GridClientNode> nodes) Gets next node for executing client command.

Method Detail

balancedNode

GridClientNode balancedNode(Collection<? extends GridClientNode> nodes)
                     throws GridClientException

Gets next node for executing client command.

Parameters:

nodes - Nodes to pick from, should not be empty.

Returns:

Next node to pick.

Throws:

GridClientException - If balancer can't match given nodes with current topology snapshot.