Constructor
new LoadBalancingPolicy()
Base class for Load Balancing Policies
Methods
getDistance(host)
Returns the distance assigned by this policy to the provided host.
Parameters:
| Name | Type | Description |
|---|---|---|
host |
Host |
init(client, hosts, callback)
Initializes the load balancing policy, called after the driver obtained the information of the cluster.
Parameters:
| Name | Type | Description |
|---|---|---|
client |
Client | |
hosts |
HostMap | |
callback |
function |
newQueryPlan(keyspace, queryOptions, callback)
Returns an iterator with the hosts for a new query.
Each new query will call this method. The first host in the result will
then be used to perform the query.
Parameters:
| Name | Type | Description |
|---|---|---|
keyspace |
String | Name of the keyspace |
queryOptions |
options evaluated for this execution | |
callback |
function |