public ONSConsumerAbstract()

in ons-core/ons-client/src/main/java/org/apache/rocketmq/ons/api/impl/rocketmq/ONSConsumerAbstract.java [50:138]
77 lines of code
14 McCabe index (conditional complexity)

    public ONSConsumerAbstract(final Properties properties) {
        super(properties);

        String consumerGroup = properties.getProperty(PropertyKeyConst.GROUP_ID, properties.getProperty(PropertyKeyConst.ConsumerId));
        if (StringUtils.isEmpty(consumerGroup)) {
            throw new ONSClientException("ConsumerId property is null");
        }

        this.defaultMQPushConsumer =
            new DefaultMQPushConsumer(this.getNamespace(), consumerGroup, new OnsClientRPCHook(sessionCredentials));


        String maxReconsumeTimes = properties.getProperty(PropertyKeyConst.MaxReconsumeTimes);
        if (!UtilAll.isBlank(maxReconsumeTimes)) {
            try {
                this.defaultMQPushConsumer.setMaxReconsumeTimes(Integer.parseInt(maxReconsumeTimes));
            } catch (NumberFormatException ignored) {
            }
        }

        String maxBatchMessageCount = properties.getProperty(PropertyKeyConst.MAX_BATCH_MESSAGE_COUNT);
        if (!UtilAll.isBlank(maxBatchMessageCount)) {
            this.defaultMQPushConsumer.setPullBatchSize(Integer.valueOf(maxBatchMessageCount));
        }

        String consumeTimeout = properties.getProperty(PropertyKeyConst.ConsumeTimeout);
        if (!UtilAll.isBlank(consumeTimeout)) {
            try {
                this.defaultMQPushConsumer.setConsumeTimeout(Integer.parseInt(consumeTimeout));
            } catch (NumberFormatException ignored) {
            }
        }

        boolean isVipChannelEnabled = Boolean.parseBoolean(properties.getProperty(PropertyKeyConst.isVipChannelEnabled, "false"));
        this.defaultMQPushConsumer.setVipChannelEnabled(isVipChannelEnabled);
        if (properties.containsKey(PropertyKeyConst.LANGUAGE_IDENTIFIER)) {
            int language = Integer.valueOf(properties.get(PropertyKeyConst.LANGUAGE_IDENTIFIER).toString());
            byte languageByte = (byte) language;
            this.defaultMQPushConsumer.setLanguage(LanguageCode.valueOf(languageByte));
        }
        String instanceName = properties.getProperty(PropertyKeyConst.InstanceName, this.buildIntanceName());
        this.defaultMQPushConsumer.setInstanceName(instanceName);
        this.defaultMQPushConsumer.setNamesrvAddr(this.getNameServerAddr());

        String consumeThreadNums = properties.getProperty(PropertyKeyConst.ConsumeThreadNums);
        if (!UtilAll.isBlank(consumeThreadNums)) {
            this.defaultMQPushConsumer.setConsumeThreadMin(Integer.valueOf(consumeThreadNums));
            this.defaultMQPushConsumer.setConsumeThreadMax(Integer.valueOf(consumeThreadNums));
        }

        String configuredCachedMessageAmount = properties.getProperty(PropertyKeyConst.MaxCachedMessageAmount);
        if (!UtilAll.isBlank(configuredCachedMessageAmount)) {
            maxCachedMessageAmount = Math.min(MAX_CACHED_MESSAGE_AMOUNT, Integer.valueOf(configuredCachedMessageAmount));
            maxCachedMessageAmount = Math.max(MIN_CACHED_MESSAGE_AMOUNT, maxCachedMessageAmount);
            this.defaultMQPushConsumer.setPullThresholdForTopic(maxCachedMessageAmount);

        }

        String configuredCachedMessageSizeInMiB = properties.getProperty(PropertyKeyConst.MaxCachedMessageSizeInMiB);
        if (!UtilAll.isBlank(configuredCachedMessageSizeInMiB)) {
            maxCachedMessageSizeInMiB = Math.min(MAX_CACHED_MESSAGE_SIZE_IN_MIB, Integer.valueOf(configuredCachedMessageSizeInMiB));
            maxCachedMessageSizeInMiB = Math.max(MIN_CACHED_MESSAGE_SIZE_IN_MIB, maxCachedMessageSizeInMiB);
            this.defaultMQPushConsumer.setPullThresholdSizeForTopic(maxCachedMessageSizeInMiB);
        }

        String msgTraceSwitch = properties.getProperty(PropertyKeyConst.MsgTraceSwitch);
        if (!UtilAll.isBlank(msgTraceSwitch) && (!Boolean.parseBoolean(msgTraceSwitch))) {
            LOGGER.info("MQ Client Disable the Trace Hook!");
        } else {
            try {
                Properties tempProperties = new Properties();
                tempProperties.put(OnsTraceConstants.AccessKey, sessionCredentials.getAccessKey());
                tempProperties.put(OnsTraceConstants.SecretKey, sessionCredentials.getSecretKey());
                tempProperties.put(OnsTraceConstants.MaxMsgSize, "128000");
                tempProperties.put(OnsTraceConstants.AsyncBufferSize, "2048");
                tempProperties.put(OnsTraceConstants.MaxBatchNum, "100");
                tempProperties.put(OnsTraceConstants.NAMESRV_ADDR, this.getNameServerAddr());
                tempProperties.put(OnsTraceConstants.InstanceName, "PID_CLIENT_INNER_TRACE_PRODUCER");
                tempProperties.put(OnsTraceConstants.TraceDispatcherType, OnsTraceDispatcherType.CONSUMER.name());
                AsyncArrayDispatcher dispatcher = new AsyncArrayDispatcher(tempProperties, sessionCredentials);
                dispatcher.setHostConsumer(defaultMQPushConsumer.getDefaultMQPushConsumerImpl());
                traceDispatcher = dispatcher;
                this.defaultMQPushConsumer.getDefaultMQPushConsumerImpl().registerConsumeMessageHook(
                    new OnsConsumeMessageHookImpl(traceDispatcher));
            } catch (Throwable e) {
                LOGGER.error("system mqtrace hook init failed ,maybe can't send msg trace data", e);
            }
        }
    }