How to use

builder

method

in

com.datastax.driver.core.policies.LatencyAwarePolicy

loadBalancingPolicy = LatencyAwarePolicy.builder(loadBalancingPolicy).build();

primingClient.prime(queryBuilder().withQuery(query).build());
LatencyAwarePolicy latencyAwarePolicy =
  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);

  queryBuilder().withQuery(query).withThen(then().withResult(unavailable)).build());
LatencyAwarePolicy latencyAwarePolicy =
  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);

  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);

Builder builder = LatencyAwarePolicy.builder((LoadBalancingPolicy) paramList.get(0));

  public static LoadBalancingPolicy getLoadBalancingPolicy(String policy) {
    LoadBalancingPolicy loadBalancingPolicy;
    switch (policy) {
      case tokenAwarePolicy:
        loadBalancingPolicy = new TokenAwarePolicy(new RoundRobinPolicy());
        break;
      case tokenDcAwareRoundRobinPolicy:
        loadBalancingPolicy = new TokenAwarePolicy(DCAwareRoundRobinPolicy.builder().build());
        break;
      case tokenLatencyAwarePolicy:
        loadBalancingPolicy = new TokenAwarePolicy(LatencyAwarePolicy.builder(new RoundRobinPolicy()).build());
        break;
      default:
        throw new IllegalArgumentException("Cassandra load balancing policy can be " + tokenAwarePolicy + " ," + tokenLatencyAwarePolicy
            + " ," + tokenDcAwareRoundRobinPolicy);
    }
    return loadBalancingPolicy;
  }
}

  public LoadBalancingPolicy getLoadBalancingPolicy(String policy) {
    LoadBalancingPolicy loadBalancingPolicy = new RoundRobinPolicy();
    switch (policy) {
    case roundRobinPolicy:
      loadBalancingPolicy = new RoundRobinPolicy();
      break;
    case tokenAwarePolicy:
      loadBalancingPolicy = new TokenAwarePolicy(new RoundRobinPolicy());
      break;
    case dcAwareRoundRobinPolicy:
      loadBalancingPolicy = DCAwareRoundRobinPolicy.builder().build();
      break;
    case latencyAwarePolicy:
      loadBalancingPolicy = LatencyAwarePolicy.builder(new RoundRobinPolicy()).build();
      break;
    case errorAwarePolicy:
      loadBalancingPolicy = ErrorAwarePolicy.builder(new RoundRobinPolicy()).build();
      break;
    default:
      throw new IllegalArgumentException("Cassandra load balancing policy can be " + roundRobinPolicy + " ," + tokenAwarePolicy 
          + " ," + dcAwareRoundRobinPolicy);
    }
    return loadBalancingPolicy;
  }
}

if (loadBalancingProp != null) {
  if ("LatencyAwareRoundRobinPolicy".equals(loadBalancingProp)) {
    builder = builder.withLoadBalancingPolicy(LatencyAwarePolicy.builder(new RoundRobinPolicy()).build());
  } else if ("RoundRobinPolicy".equals(loadBalancingProp)) {
    builder = builder.withLoadBalancingPolicy(new RoundRobinPolicy());

switch (loadBalancingProp) {
 case "LatencyAwareRoundRobinPolicy":
  builder = builder.withLoadBalancingPolicy(LatencyAwarePolicy.builder(new RoundRobinPolicy()).build());
  break;
 case "RoundRobinPolicy":

switch (loadBalancingProp) {
 case "LatencyAwareRoundRobinPolicy":
  builder = builder.withLoadBalancingPolicy(LatencyAwarePolicy.builder(new RoundRobinPolicy()).build());
  break;
 case "RoundRobinPolicy":

  @Override
  public LoadBalancingPolicy build() {
    LatencyAwarePolicy.Builder builder = LatencyAwarePolicy.builder(subPolicy.build());

    if (exclusionThreshold != null) {
      builder.withExclusionThreshold(exclusionThreshold);
    }

    if (minimumMeasurements != null) {
      builder.withMininumMeasurements(minimumMeasurements);
    }

    if (retryPeriod != null) {
      builder.withRetryPeriod(retryPeriod.getQuantity(), retryPeriod.getUnit());
    }

    if (scale != null) {
      builder.withScale(scale.getQuantity(), scale.getUnit());
    }

    if (updateRate != null) {
      builder.withUpdateRate(updateRate.getQuantity(), updateRate.getUnit());
    }

    return builder.build();
  }
}

  @Override
  public LoadBalancingPolicy build() {
    LatencyAwarePolicy.Builder builder = LatencyAwarePolicy.builder(subPolicy.build());

    if (exclusionThreshold != null) {
      builder.withExclusionThreshold(exclusionThreshold);
    }

    if (minimumMeasurements != null) {
      builder.withMininumMeasurements(minimumMeasurements);
    }

    if (retryPeriod != null) {
      builder.withRetryPeriod(retryPeriod.getQuantity(), retryPeriod.getUnit());
    }

    if (scale != null) {
      builder.withScale(scale.getQuantity(), scale.getUnit());
    }

    if (updateRate != null) {
      builder.withUpdateRate(updateRate.getQuantity(), updateRate.getUnit());
    }

    return builder.build();
  }
}

primingClient.prime(queryBuilder().withQuery(query).build());
LatencyAwarePolicy latencyAwarePolicy =
  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);

  queryBuilder().withQuery(query).withThen(then().withResult(unavailable)).build());
LatencyAwarePolicy latencyAwarePolicy =
  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);

  LatencyAwarePolicy.builder(new RoundRobinPolicy()).withMininumMeasurements(1).build();
Cluster.Builder builder = super.createClusterBuilder();
builder.withLoadBalancingPolicy(latencyAwarePolicy);