Examples with SingleConsumerPulsarSource org.apache.pulsar.functions.source.SingleConsumerPulsarSource used on opensource projects

Example 1 with SingleConsumerPulsarSource

use of org.apache.pulsar.functions.source.SingleConsumerPulsarSource in project pulsar by apache.

the class JavaInstanceRunnable method setupInput.

private void setupInput(ContextImpl contextImpl) throws Exception {
    SourceSpec sourceSpec = this.instanceConfig.getFunctionDetails().getSource();
    Object object;
    // If source classname is not set, we default pulsar source
    if (sourceSpec.getClassName().isEmpty()) {
        Map<String, ConsumerConfig> topicSchema = new TreeMap<>();
        sourceSpec.getInputSpecsMap().forEach((topic, conf) -> {
            ConsumerConfig consumerConfig = ConsumerConfig.builder().isRegexPattern(conf.getIsRegexPattern()).build();
            if (conf.getSchemaType() != null && !conf.getSchemaType().isEmpty()) {
                consumerConfig.setSchemaType(conf.getSchemaType());
            } else if (conf.getSerdeClassName() != null && !conf.getSerdeClassName().isEmpty()) {
                consumerConfig.setSerdeClassName(conf.getSerdeClassName());
            }
            consumerConfig.setSchemaProperties(conf.getSchemaPropertiesMap());
            consumerConfig.setConsumerProperties(conf.getConsumerPropertiesMap());
            if (conf.hasReceiverQueueSize()) {
                consumerConfig.setReceiverQueueSize(conf.getReceiverQueueSize().getValue());
            }
            if (conf.hasCryptoSpec()) {
                consumerConfig.setCryptoConfig(CryptoUtils.convertFromSpec(conf.getCryptoSpec()));
            }
            consumerConfig.setPoolMessages(conf.getPoolMessages());
            topicSchema.put(topic, consumerConfig);
        });
        sourceSpec.getTopicsToSerDeClassNameMap().forEach((topic, serde) -> {
            topicSchema.put(topic, ConsumerConfig.builder().serdeClassName(serde).isRegexPattern(false).build());
        });
        if (!StringUtils.isEmpty(sourceSpec.getTopicsPattern())) {
            topicSchema.get(sourceSpec.getTopicsPattern()).setRegexPattern(true);
        }
        PulsarSourceConfig pulsarSourceConfig;
        // we can use a single consumer to read
        if (topicSchema.size() == 1) {
            SingleConsumerPulsarSourceConfig singleConsumerPulsarSourceConfig = new SingleConsumerPulsarSourceConfig();
            Map.Entry<String, ConsumerConfig> entry = topicSchema.entrySet().iterator().next();
            singleConsumerPulsarSourceConfig.setTopic(entry.getKey());
            singleConsumerPulsarSourceConfig.setConsumerConfig(entry.getValue());
            pulsarSourceConfig = singleConsumerPulsarSourceConfig;
        } else {
            MultiConsumerPulsarSourceConfig multiConsumerPulsarSourceConfig = new MultiConsumerPulsarSourceConfig();
            multiConsumerPulsarSourceConfig.setTopicSchema(topicSchema);
            pulsarSourceConfig = multiConsumerPulsarSourceConfig;
        }
        pulsarSourceConfig.setSubscriptionName(StringUtils.isNotBlank(sourceSpec.getSubscriptionName()) ? sourceSpec.getSubscriptionName() : InstanceUtils.getDefaultSubscriptionName(instanceConfig.getFunctionDetails()));
        pulsarSourceConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.valueOf(this.instanceConfig.getFunctionDetails().getProcessingGuarantees().name()));
        pulsarSourceConfig.setSubscriptionPosition(convertFromFunctionDetailsSubscriptionPosition(sourceSpec.getSubscriptionPosition()));
        checkNotNull(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setSubscriptionType(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setTypeClassName(sourceSpec.getTypeClassName());
        if (sourceSpec.getTimeoutMs() > 0) {
            pulsarSourceConfig.setTimeoutMs(sourceSpec.getTimeoutMs());
        }
        if (sourceSpec.getNegativeAckRedeliveryDelayMs() > 0) {
            pulsarSourceConfig.setNegativeAckRedeliveryDelayMs(sourceSpec.getNegativeAckRedeliveryDelayMs());
        }
        if (this.instanceConfig.getFunctionDetails().hasRetryDetails()) {
            pulsarSourceConfig.setMaxMessageRetries(this.instanceConfig.getFunctionDetails().getRetryDetails().getMaxMessageRetries());
            pulsarSourceConfig.setDeadLetterTopic(this.instanceConfig.getFunctionDetails().getRetryDetails().getDeadLetterTopic());
        }
        // that require messages to be put into an immediate queue
        if (pulsarSourceConfig instanceof SingleConsumerPulsarSourceConfig) {
            object = new SingleConsumerPulsarSource(this.client, (SingleConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        } else {
            object = new MultiConsumerPulsarSource(this.client, (MultiConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        }
    } else {
        // check if source is a batch source
        if (sourceSpec.getClassName().equals(BatchSourceExecutor.class.getName())) {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.instanceClassLoader);
        } else {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.functionClassLoader);
        }
    }
    Class<?>[] typeArgs;
    if (object instanceof Source) {
        typeArgs = TypeResolver.resolveRawArguments(Source.class, object.getClass());
        assert typeArgs.length > 0;
    } else {
        throw new RuntimeException("Source does not implement correct interface");
    }
    this.source = (Source<?>) object;
    if (componentType == org.apache.pulsar.functions.proto.Function.FunctionDetails.ComponentType.SOURCE) {
        Thread.currentThread().setContextClassLoader(this.functionClassLoader);
    }
    try {
        if (sourceSpec.getConfigs().isEmpty()) {
            this.source.open(new HashMap<>(), contextImpl);
        } else {
            this.source.open(ObjectMapperFactory.getThreadLocal().readValue(sourceSpec.getConfigs(), new TypeReference<Map<String, Object>>() {
            }), contextImpl);
        }
        if (this.source instanceof PulsarSource) {
            contextImpl.setInputConsumers(((PulsarSource) this.source).getInputConsumers());
        }
    } catch (Exception e) {
        log.error("Source open produced uncaught exception: ", e);
        throw e;
    } finally {
        Thread.currentThread().setContextClassLoader(this.instanceClassLoader);
    }
}

Example 2 with SingleConsumerPulsarSource

use of org.apache.pulsar.functions.source.SingleConsumerPulsarSource in project incubator-pulsar by apache.

the class JavaInstanceRunnable method setupInput.

private void setupInput(ContextImpl contextImpl) throws Exception {
    SourceSpec sourceSpec = this.instanceConfig.getFunctionDetails().getSource();
    Object object;
    // If source classname is not set, we default pulsar source
    if (sourceSpec.getClassName().isEmpty()) {
        Map<String, ConsumerConfig> topicSchema = new TreeMap<>();
        sourceSpec.getInputSpecsMap().forEach((topic, conf) -> {
            ConsumerConfig consumerConfig = ConsumerConfig.builder().isRegexPattern(conf.getIsRegexPattern()).build();
            if (conf.getSchemaType() != null && !conf.getSchemaType().isEmpty()) {
                consumerConfig.setSchemaType(conf.getSchemaType());
            } else if (conf.getSerdeClassName() != null && !conf.getSerdeClassName().isEmpty()) {
                consumerConfig.setSerdeClassName(conf.getSerdeClassName());
            }
            consumerConfig.setSchemaProperties(conf.getSchemaPropertiesMap());
            consumerConfig.setConsumerProperties(conf.getConsumerPropertiesMap());
            if (conf.hasReceiverQueueSize()) {
                consumerConfig.setReceiverQueueSize(conf.getReceiverQueueSize().getValue());
            }
            if (conf.hasCryptoSpec()) {
                consumerConfig.setCryptoConfig(CryptoUtils.convertFromSpec(conf.getCryptoSpec()));
            }
            consumerConfig.setPoolMessages(conf.getPoolMessages());
            topicSchema.put(topic, consumerConfig);
        });
        sourceSpec.getTopicsToSerDeClassNameMap().forEach((topic, serde) -> {
            topicSchema.put(topic, ConsumerConfig.builder().serdeClassName(serde).isRegexPattern(false).build());
        });
        if (!StringUtils.isEmpty(sourceSpec.getTopicsPattern())) {
            topicSchema.get(sourceSpec.getTopicsPattern()).setRegexPattern(true);
        }
        PulsarSourceConfig pulsarSourceConfig;
        // we can use a single consumer to read
        if (topicSchema.size() == 1) {
            SingleConsumerPulsarSourceConfig singleConsumerPulsarSourceConfig = new SingleConsumerPulsarSourceConfig();
            Map.Entry<String, ConsumerConfig> entry = topicSchema.entrySet().iterator().next();
            singleConsumerPulsarSourceConfig.setTopic(entry.getKey());
            singleConsumerPulsarSourceConfig.setConsumerConfig(entry.getValue());
            pulsarSourceConfig = singleConsumerPulsarSourceConfig;
        } else {
            MultiConsumerPulsarSourceConfig multiConsumerPulsarSourceConfig = new MultiConsumerPulsarSourceConfig();
            multiConsumerPulsarSourceConfig.setTopicSchema(topicSchema);
            pulsarSourceConfig = multiConsumerPulsarSourceConfig;
        }
        pulsarSourceConfig.setSubscriptionName(StringUtils.isNotBlank(sourceSpec.getSubscriptionName()) ? sourceSpec.getSubscriptionName() : InstanceUtils.getDefaultSubscriptionName(instanceConfig.getFunctionDetails()));
        pulsarSourceConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.valueOf(this.instanceConfig.getFunctionDetails().getProcessingGuarantees().name()));
        pulsarSourceConfig.setSubscriptionPosition(convertFromFunctionDetailsSubscriptionPosition(sourceSpec.getSubscriptionPosition()));
        checkNotNull(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setSubscriptionType(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setTypeClassName(sourceSpec.getTypeClassName());
        if (sourceSpec.getTimeoutMs() > 0) {
            pulsarSourceConfig.setTimeoutMs(sourceSpec.getTimeoutMs());
        }
        if (sourceSpec.getNegativeAckRedeliveryDelayMs() > 0) {
            pulsarSourceConfig.setNegativeAckRedeliveryDelayMs(sourceSpec.getNegativeAckRedeliveryDelayMs());
        }
        if (this.instanceConfig.getFunctionDetails().hasRetryDetails()) {
            pulsarSourceConfig.setMaxMessageRetries(this.instanceConfig.getFunctionDetails().getRetryDetails().getMaxMessageRetries());
            pulsarSourceConfig.setDeadLetterTopic(this.instanceConfig.getFunctionDetails().getRetryDetails().getDeadLetterTopic());
        }
        // that require messages to be put into an immediate queue
        if (pulsarSourceConfig instanceof SingleConsumerPulsarSourceConfig) {
            object = new SingleConsumerPulsarSource(this.client, (SingleConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        } else {
            object = new MultiConsumerPulsarSource(this.client, (MultiConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        }
    } else {
        // check if source is a batch source
        if (sourceSpec.getClassName().equals(BatchSourceExecutor.class.getName())) {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.instanceClassLoader);
        } else {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.functionClassLoader);
        }
    }
    Class<?>[] typeArgs;
    if (object instanceof Source) {
        typeArgs = TypeResolver.resolveRawArguments(Source.class, object.getClass());
        assert typeArgs.length > 0;
    } else {
        throw new RuntimeException("Source does not implement correct interface");
    }
    this.source = (Source<?>) object;
    if (componentType == org.apache.pulsar.functions.proto.Function.FunctionDetails.ComponentType.SOURCE) {
        Thread.currentThread().setContextClassLoader(this.functionClassLoader);
    }
    try {
        if (sourceSpec.getConfigs().isEmpty()) {
            this.source.open(new HashMap<>(), contextImpl);
        } else {
            this.source.open(ObjectMapperFactory.getThreadLocal().readValue(sourceSpec.getConfigs(), new TypeReference<Map<String, Object>>() {
            }), contextImpl);
        }
        if (this.source instanceof PulsarSource) {
            contextImpl.setInputConsumers(((PulsarSource) this.source).getInputConsumers());
        }
    } catch (Exception e) {
        log.error("Source open produced uncaught exception: ", e);
        throw e;
    } finally {
        Thread.currentThread().setContextClassLoader(this.instanceClassLoader);
    }
}

Example 3 with SingleConsumerPulsarSource

use of org.apache.pulsar.functions.source.SingleConsumerPulsarSource in project pulsar by yahoo.

the class JavaInstanceRunnable method setupInput.

private void setupInput(ContextImpl contextImpl) throws Exception {
    SourceSpec sourceSpec = this.instanceConfig.getFunctionDetails().getSource();
    Object object;
    // If source classname is not set, we default pulsar source
    if (sourceSpec.getClassName().isEmpty()) {
        Map<String, ConsumerConfig> topicSchema = new TreeMap<>();
        sourceSpec.getInputSpecsMap().forEach((topic, conf) -> {
            ConsumerConfig consumerConfig = ConsumerConfig.builder().isRegexPattern(conf.getIsRegexPattern()).build();
            if (conf.getSchemaType() != null && !conf.getSchemaType().isEmpty()) {
                consumerConfig.setSchemaType(conf.getSchemaType());
            } else if (conf.getSerdeClassName() != null && !conf.getSerdeClassName().isEmpty()) {
                consumerConfig.setSerdeClassName(conf.getSerdeClassName());
            }
            consumerConfig.setSchemaProperties(conf.getSchemaPropertiesMap());
            consumerConfig.setConsumerProperties(conf.getConsumerPropertiesMap());
            if (conf.hasReceiverQueueSize()) {
                consumerConfig.setReceiverQueueSize(conf.getReceiverQueueSize().getValue());
            }
            if (conf.hasCryptoSpec()) {
                consumerConfig.setCryptoConfig(CryptoUtils.convertFromSpec(conf.getCryptoSpec()));
            }
            consumerConfig.setPoolMessages(conf.getPoolMessages());
            topicSchema.put(topic, consumerConfig);
        });
        sourceSpec.getTopicsToSerDeClassNameMap().forEach((topic, serde) -> {
            topicSchema.put(topic, ConsumerConfig.builder().serdeClassName(serde).isRegexPattern(false).build());
        });
        if (!StringUtils.isEmpty(sourceSpec.getTopicsPattern())) {
            topicSchema.get(sourceSpec.getTopicsPattern()).setRegexPattern(true);
        }
        PulsarSourceConfig pulsarSourceConfig;
        // we can use a single consumer to read
        if (topicSchema.size() == 1) {
            SingleConsumerPulsarSourceConfig singleConsumerPulsarSourceConfig = new SingleConsumerPulsarSourceConfig();
            Map.Entry<String, ConsumerConfig> entry = topicSchema.entrySet().iterator().next();
            singleConsumerPulsarSourceConfig.setTopic(entry.getKey());
            singleConsumerPulsarSourceConfig.setConsumerConfig(entry.getValue());
            pulsarSourceConfig = singleConsumerPulsarSourceConfig;
        } else {
            MultiConsumerPulsarSourceConfig multiConsumerPulsarSourceConfig = new MultiConsumerPulsarSourceConfig();
            multiConsumerPulsarSourceConfig.setTopicSchema(topicSchema);
            pulsarSourceConfig = multiConsumerPulsarSourceConfig;
        }
        pulsarSourceConfig.setSubscriptionName(StringUtils.isNotBlank(sourceSpec.getSubscriptionName()) ? sourceSpec.getSubscriptionName() : InstanceUtils.getDefaultSubscriptionName(instanceConfig.getFunctionDetails()));
        pulsarSourceConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.valueOf(this.instanceConfig.getFunctionDetails().getProcessingGuarantees().name()));
        pulsarSourceConfig.setSubscriptionPosition(convertFromFunctionDetailsSubscriptionPosition(sourceSpec.getSubscriptionPosition()));
        checkNotNull(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setSubscriptionType(contextImpl.getSubscriptionType());
        pulsarSourceConfig.setTypeClassName(sourceSpec.getTypeClassName());
        if (sourceSpec.getTimeoutMs() > 0) {
            pulsarSourceConfig.setTimeoutMs(sourceSpec.getTimeoutMs());
        }
        if (sourceSpec.getNegativeAckRedeliveryDelayMs() > 0) {
            pulsarSourceConfig.setNegativeAckRedeliveryDelayMs(sourceSpec.getNegativeAckRedeliveryDelayMs());
        }
        if (this.instanceConfig.getFunctionDetails().hasRetryDetails()) {
            pulsarSourceConfig.setMaxMessageRetries(this.instanceConfig.getFunctionDetails().getRetryDetails().getMaxMessageRetries());
            pulsarSourceConfig.setDeadLetterTopic(this.instanceConfig.getFunctionDetails().getRetryDetails().getDeadLetterTopic());
        }
        // that require messages to be put into an immediate queue
        if (pulsarSourceConfig instanceof SingleConsumerPulsarSourceConfig) {
            object = new SingleConsumerPulsarSource(this.client, (SingleConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        } else {
            object = new MultiConsumerPulsarSource(this.client, (MultiConsumerPulsarSourceConfig) pulsarSourceConfig, this.properties, this.functionClassLoader);
        }
    } else {
        // check if source is a batch source
        if (sourceSpec.getClassName().equals(BatchSourceExecutor.class.getName())) {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.instanceClassLoader);
        } else {
            object = Reflections.createInstance(sourceSpec.getClassName(), this.functionClassLoader);
        }
    }
    Class<?>[] typeArgs;
    if (object instanceof Source) {
        typeArgs = TypeResolver.resolveRawArguments(Source.class, object.getClass());
        assert typeArgs.length > 0;
    } else {
        throw new RuntimeException("Source does not implement correct interface");
    }
    this.source = (Source<?>) object;
    if (componentType == org.apache.pulsar.functions.proto.Function.FunctionDetails.ComponentType.SOURCE) {
        Thread.currentThread().setContextClassLoader(this.functionClassLoader);
    }
    try {
        if (sourceSpec.getConfigs().isEmpty()) {
            this.source.open(new HashMap<>(), contextImpl);
        } else {
            this.source.open(ObjectMapperFactory.getThreadLocal().readValue(sourceSpec.getConfigs(), new TypeReference<Map<String, Object>>() {
            }), contextImpl);
        }
        if (this.source instanceof PulsarSource) {
            contextImpl.setInputConsumers(((PulsarSource) this.source).getInputConsumers());
        }
    } catch (Exception e) {
        log.error("Source open produced uncaught exception: ", e);
        throw e;
    } finally {
        Thread.currentThread().setContextClassLoader(this.instanceClassLoader);
    }
}