Constructor
new TokenAwarePolicy(childPolicy)
A wrapper load balancing policy that add token awareness to a child policy.
Parameters:
| Name | Type | Description |
|---|---|---|
childPolicy |
LoadBalancingPolicy |
Extends
- LoadBalancingPolicy
Methods
newQueryPlan(keyspace, queryOptions, callback) → {*}
Returns the hosts to use for a new query.
The returned plan will first return replicas (whose HostDistance
for the child policy is local) for the query if it can determine
them is not.
Following what it will return the plan of the child policy.
Parameters:
| Name | Type | Description |
|---|---|---|
keyspace |
String | Name of the keyspace |
queryOptions |
||
callback |
function |
Returns:
- Type
- *