QueryPoolLoadBalancer com.griddynamics.jagger.user.test.configurations.loadbalancer.JLoadBalancer.Builder.build

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Returns

Load balancer (subtype of QueryPoolLoadBalancer)

Definition at line 108 of file JLoadBalancer.java.

Referenced by JLoadScenarioProvider.exampleJaggerLoadScenario().

                                             {

            PairSupplierFactory pairSupplierFactory = null;
            switch (loadBalancer) {
                case ONE_BY_ONE:
                    pairSupplierFactory = new OneByOnePairSupplierFactory();
                    break;
                case ROUND_ROBIN:
                default:
                    pairSupplierFactory = new RoundRobinPairSupplierFactory();
                    break;
            }

            PairSupplierFactoryLoadBalancer loadBalancer = null;
            if (exclusiveAccess) {
                if (oneIterationOnly) {
                    loadBalancer = new NonCircularExclusiveAccessLoadBalancer(pairSupplierFactory);
                } else {
                    loadBalancer = new CircularExclusiveAccessLoadBalancer(pairSupplierFactory);
                }
                ((ExclusiveAccessLoadBalancer)loadBalancer).setRandomnessSeed(seed);
            } else {
                if (Objects.nonNull(seed)) {
                    loadBalancer = new RandomLoadBalancer(seed, pairSupplierFactory);
                } else {
                    loadBalancer = new SimpleCircularLoadBalancer(pairSupplierFactory);
                }
            }

            log.info("Built a {} load balancer", loadBalancer);
            return loadBalancer;
        }

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