Class: TokenAwarePolicy

policies/loadBalancing~TokenAwarePolicy(childPolicy)

new TokenAwarePolicy(childPolicy)

A wrapper load balancing policy that add token awareness to a child policy.

Parameters:
Name Type Description
childPolicy LoadBalancingPolicy
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Extends

  • LoadBalancingPolicy

Methods

getOptions()

Gets an associative array containing the policy options.

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newQueryPlan(keyspace, executionOptions, callback)

Returns the hosts to use for a new query. The returned plan will return local replicas first, if replicas can be determined, followed by the plan of the child policy.

Parameters:
Name Type Description
keyspace String

Name of currently logged keyspace at Client level.
executionOptions ExecutionOptions | null

The information related to the execution of the request.
callback function

The function to be invoked with the error as first parameter and the host iterator as second parameter.
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