From 29a0525b59e961b6f505c86f9db30e6659806000 Mon Sep 17 00:00:00 2001 From: fg-admin Date: Fri, 30 Dec 2022 14:25:54 +0300 Subject: [PATCH] Initial commit --- .gitignore | 11 + LICENSE | 202 ++++++++++++++++++ README.md | 1 + pom.xml | 96 +++++++++ src/main/java/org/listware/io/Module.java | 25 +++ .../listware/io/functions/egress/Egress.java | 20 ++ .../io/functions/egress/EgressReader.java | 100 +++++++++ .../io/functions/egress/EgressWriter.java | 37 ++++ .../org/listware/io/router/IngressRouter.java | 51 +++++ .../java/org/listware/io/utils/Constants.java | 31 +++ .../KafkaEgressTypedValueSerializer.java | 41 ++++ .../io/utils/KafkaTypedValueDeserializer.java | 34 +++ .../io/utils/KafkaTypedValueSerializer.java | 15 ++ .../org/listware/io/utils/QDSLClient.java | 36 ++++ .../io/utils/TypedValueDeserializer.java | 23 ++ .../org/listware/io/utils/VertexClient.java | 48 +++++ ...nk.statefun.sdk.spi.StatefulFunctionModule | 1 + 17 files changed, 772 insertions(+) create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 README.md create mode 100644 pom.xml create mode 100644 src/main/java/org/listware/io/Module.java create mode 100644 src/main/java/org/listware/io/functions/egress/Egress.java create mode 100644 src/main/java/org/listware/io/functions/egress/EgressReader.java create mode 100644 src/main/java/org/listware/io/functions/egress/EgressWriter.java create mode 100644 src/main/java/org/listware/io/router/IngressRouter.java create mode 100644 src/main/java/org/listware/io/utils/Constants.java create mode 100644 src/main/java/org/listware/io/utils/KafkaEgressTypedValueSerializer.java create mode 100644 src/main/java/org/listware/io/utils/KafkaTypedValueDeserializer.java create mode 100644 src/main/java/org/listware/io/utils/KafkaTypedValueSerializer.java create mode 100644 src/main/java/org/listware/io/utils/QDSLClient.java create mode 100644 src/main/java/org/listware/io/utils/TypedValueDeserializer.java create mode 100644 src/main/java/org/listware/io/utils/VertexClient.java create mode 100644 src/main/resources/META-INF/services/org.apache.flink.statefun.sdk.spi.StatefulFunctionModule diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..dc6f790 --- /dev/null +++ b/.gitignore @@ -0,0 +1,11 @@ +target/ +*.iml +.idea/ +venv/* +__pycahe__/* +.DS_Store +*.code-workspace +.vscode/ +.settings/ +.classpath +.project diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..7a4a3ea --- /dev/null +++ b/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..1b3628b --- /dev/null +++ b/README.md @@ -0,0 +1 @@ +# IO diff --git a/pom.xml b/pom.xml new file mode 100644 index 0000000..ffe3ff2 --- /dev/null +++ b/pom.xml @@ -0,0 +1,96 @@ + + 4.0.0 + org.listware + io + 1.0 + jar + + + UTF-8 + 11 + 11 + + + + + org.apache.flink + statefun-sdk-embedded + 3.2.0 + provided + + + org.apache.flink + statefun-flink-io-bundle + 3.2.0 + provided + + + org.apache.flink + flink-connector-kafka + 1.16.0 + provided + + + javax.annotation + javax.annotation-api + 1.3.2 + + + io.grpc + grpc-protobuf + 1.51.0 + + + + org.listware + proto + 1.0 + + + + + + + + org.apache.maven.plugins + maven-shade-plugin + 3.0.0 + + + + package + + shade + + + false + + + + + + + + + + + + + gitea + http://git.fg-tech.ru/api/packages/listware/maven + + + + + gitea + http://git.fg-tech.ru/api/packages/listware/maven + + + gitea + http://git.fg-tech.ru/api/packages/listware/maven + + + \ No newline at end of file diff --git a/src/main/java/org/listware/io/Module.java b/src/main/java/org/listware/io/Module.java new file mode 100644 index 0000000..d7b85b8 --- /dev/null +++ b/src/main/java/org/listware/io/Module.java @@ -0,0 +1,25 @@ +/* Copyright 2022 Listware */ + +package org.listware.io; + +import java.util.Map; + +import org.apache.flink.statefun.sdk.spi.StatefulFunctionModule; +import org.listware.io.functions.egress.Egress; +import org.listware.io.router.IngressRouter; + +import com.google.auto.service.AutoService; + +@AutoService(StatefulFunctionModule.class) +public class Module implements StatefulFunctionModule { + private IngressRouter ingressRouter = new IngressRouter(); + + @Override + public void configure(Map globalConfiguration, Binder binder) { + binder.bindIngress(IngressRouter.INGRESS_SPEC); + binder.bindIngressRouter(IngressRouter.INGRESS, ingressRouter); + + binder.bindEgress(Egress.EGRESS_SPEC); + } + +} diff --git a/src/main/java/org/listware/io/functions/egress/Egress.java b/src/main/java/org/listware/io/functions/egress/Egress.java new file mode 100644 index 0000000..b00ea32 --- /dev/null +++ b/src/main/java/org/listware/io/functions/egress/Egress.java @@ -0,0 +1,20 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.functions.egress; + +import org.apache.flink.statefun.sdk.io.EgressIdentifier; +import org.apache.flink.statefun.sdk.io.EgressSpec; +import org.apache.flink.statefun.sdk.kafka.KafkaEgressBuilder; +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.listware.io.utils.Constants; +import org.listware.io.utils.KafkaEgressTypedValueSerializer; + +public class Egress { + public static final String EGRESS_NAME = "output.system"; + + public static final EgressIdentifier EGRESS = new EgressIdentifier<>(Constants.Namespaces.INTERNAL, + EGRESS_NAME, TypedValue.class); + + public static EgressSpec EGRESS_SPEC = KafkaEgressBuilder.forIdentifier(EGRESS) + .withKafkaAddress(Constants.Kafka.SERVER).withSerializer(KafkaEgressTypedValueSerializer.class).build(); +} diff --git a/src/main/java/org/listware/io/functions/egress/EgressReader.java b/src/main/java/org/listware/io/functions/egress/EgressReader.java new file mode 100644 index 0000000..0d69fc0 --- /dev/null +++ b/src/main/java/org/listware/io/functions/egress/EgressReader.java @@ -0,0 +1,100 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.functions.egress; + +import java.time.Duration; +import java.util.Arrays; +import java.util.List; +import java.util.Properties; +import java.util.UUID; + +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.apache.kafka.clients.consumer.ConsumerRecords; +import org.apache.kafka.clients.consumer.KafkaConsumer; +import org.apache.kafka.common.TopicPartition; +import org.apache.kafka.common.serialization.StringDeserializer; +import org.listware.sdk.Functions; +import org.listware.io.utils.Constants; +import org.listware.io.utils.KafkaTypedValueDeserializer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class EgressReader { + @SuppressWarnings("unused") + private final Logger LOG = LoggerFactory.getLogger(EgressReader.class); + + private Properties properties = new Properties(); + private KafkaConsumer consumer; + private String topic; + private Duration duration = Duration.ofSeconds(5); + + public EgressReader(String groupID, String topic) { + this.topic = topic; + + properties.setProperty(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, Constants.Kafka.SERVER); + properties.setProperty(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class.getName()); + properties.setProperty(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, + KafkaTypedValueDeserializer.class.getName()); + properties.setProperty(ConsumerConfig.GROUP_ID_CONFIG, groupID); + consumer = new KafkaConsumer(properties); + TopicPartition tp = new TopicPartition(topic, 0); + List tps = Arrays.asList(tp); + consumer.assign(tps); + consumer.seekToEnd(tps); + } + + public void wait(String key) throws Exception { + long startTime = System.currentTimeMillis(); + + LOG.info("ReplyEgress wait: " + key); + + for (;;) { + long endTime = System.currentTimeMillis(); + + if (endTime - startTime >= duration.getSeconds()) + break; + + ConsumerRecords records = consumer.poll(Duration.ofMillis(500)); + + for (ConsumerRecord record : records) { + if (record.key().equals(key)) { + TypedValue typedValue = record.value(); + Functions.FunctionResult functionResult = Functions.FunctionResult + .parseFrom(typedValue.toByteArray()); + if (!functionResult.getComplete()) { + throw new ResultException(functionResult.getError()); + } + return; + } + } + } + + throw new KeyNotFoundException(key); + } + + public Functions.ReplyEgress replyEgress() { + UUID uuid = UUID.randomUUID(); + LOG.info("ReplyEgress new: " + uuid.toString()); + return Functions.ReplyEgress.newBuilder().setNamespace(Constants.Namespaces.INTERNAL).setTopic(topic) + .setId(uuid.toString()).build(); + } + + public class KeyNotFoundException extends Exception { + private static final long serialVersionUID = 1L; + + public KeyNotFoundException(String key) { + super(String.format("key '%s' not found", key)); + } + } + + public class ResultException extends Exception { + private static final long serialVersionUID = 1L; + + public ResultException(String reason) { + super(reason); + } + } + +} diff --git a/src/main/java/org/listware/io/functions/egress/EgressWriter.java b/src/main/java/org/listware/io/functions/egress/EgressWriter.java new file mode 100644 index 0000000..47ba4e4 --- /dev/null +++ b/src/main/java/org/listware/io/functions/egress/EgressWriter.java @@ -0,0 +1,37 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.functions.egress; + +import java.util.Properties; + +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.clients.producer.KafkaProducer; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.apache.kafka.common.serialization.StringSerializer; +import org.listware.io.utils.Constants; +import org.listware.io.utils.KafkaTypedValueSerializer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class EgressWriter { + @SuppressWarnings("unused") + private final Logger LOG = LoggerFactory.getLogger(EgressWriter.class); + + private Properties properties = new Properties(); + private KafkaProducer producer; + + public EgressWriter() { + properties.setProperty(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, Constants.Kafka.SERVER); + properties.setProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName()); + properties.setProperty(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, KafkaTypedValueSerializer.class.getName()); + + producer = new KafkaProducer(properties); + } + + public void Send(String topic, String key, TypedValue typedValue) { + ProducerRecord producerRecord = new ProducerRecord<>(topic, key, typedValue); + producer.send(producerRecord); + } + +} diff --git a/src/main/java/org/listware/io/router/IngressRouter.java b/src/main/java/org/listware/io/router/IngressRouter.java new file mode 100644 index 0000000..7a6ba7e --- /dev/null +++ b/src/main/java/org/listware/io/router/IngressRouter.java @@ -0,0 +1,51 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.router; + +import org.apache.flink.statefun.sdk.FunctionType; +import org.apache.flink.statefun.sdk.io.IngressIdentifier; +import org.apache.flink.statefun.sdk.io.IngressSpec; +import org.apache.flink.statefun.sdk.io.Router; +import org.apache.flink.statefun.sdk.kafka.KafkaIngressBuilder; +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.listware.sdk.Functions.FunctionContext; +import org.listware.io.utils.Constants; +import org.listware.io.utils.TypedValueDeserializer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.protobuf.InvalidProtocolBufferException; + +public class IngressRouter implements Router { + private static final Logger LOG = LoggerFactory.getLogger(IngressRouter.class); + + private static final String INGRESS_TOPIC_NAME = "router.system"; + + private static final String GROUP_ID = "group.system"; + + public static final IngressIdentifier INGRESS = new IngressIdentifier<>(TypedValue.class, + Constants.Namespaces.INTERNAL, INGRESS_TOPIC_NAME); + + public static IngressSpec INGRESS_SPEC = KafkaIngressBuilder.forIdentifier(INGRESS) + .withProperty(ConsumerConfig.GROUP_ID_CONFIG, GROUP_ID).withKafkaAddress(Constants.Kafka.SERVER) + .withTopic(INGRESS_TOPIC_NAME).withDeserializer(TypedValueDeserializer.class).build(); + + @Override + public void route(TypedValue message, Downstream downstream) { + + try { + FunctionContext functionContext = FunctionContext.parseFrom(message.getValue()); + + String namespace = functionContext.getFunctionType().getNamespace(); + String type = functionContext.getFunctionType().getType(); + + FunctionType functionType = new FunctionType(namespace, type); + + downstream.forward(functionType, functionContext.getId(), message); + } catch (InvalidProtocolBufferException e) { + LOG.error(e.getLocalizedMessage()); + } + } + +} diff --git a/src/main/java/org/listware/io/utils/Constants.java b/src/main/java/org/listware/io/utils/Constants.java new file mode 100644 index 0000000..11ea8d0 --- /dev/null +++ b/src/main/java/org/listware/io/utils/Constants.java @@ -0,0 +1,31 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +public class Constants { + public class Namespaces { + // Internal java functions namespace + public static final String INTERNAL = "system"; + // External proxy functions namespace + public static final String EXTERNAL = "proxy"; + } + + public class Kafka { + public static final String SERVER = "kafka:9092"; + } + + public class Cmdb { + // FIXME from secrets + public static final String ADDR = "cmdb.service.consul"; + public static final int PORT = 8529; + public static final String USER = "root"; + public static final String PASSWORD = "password"; + public static final String DBNAME = "CMDBv2"; + + public class Qdsl { + public static final String ADDR = "qdsl.cmdb.service.consul"; + public static final int PORT = 31415; + } + } + +} diff --git a/src/main/java/org/listware/io/utils/KafkaEgressTypedValueSerializer.java b/src/main/java/org/listware/io/utils/KafkaEgressTypedValueSerializer.java new file mode 100644 index 0000000..bd8dbfa --- /dev/null +++ b/src/main/java/org/listware/io/utils/KafkaEgressTypedValueSerializer.java @@ -0,0 +1,41 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import java.nio.charset.StandardCharsets; + +import org.apache.flink.statefun.sdk.kafka.KafkaEgressSerializer; +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.clients.producer.ProducerRecord; +import org.listware.sdk.Functions; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.protobuf.InvalidProtocolBufferException; + +public class KafkaEgressTypedValueSerializer implements KafkaEgressSerializer { + private final Logger LOG = LoggerFactory.getLogger(KafkaEgressTypedValueSerializer.class); + + private static final long serialVersionUID = 1L; + + @Override + public ProducerRecord serialize(TypedValue message) { + try { + Functions.FunctionResult functionResult = Functions.FunctionResult.parseFrom(message.getValue()); + + Functions.ReplyEgress replyEgress = functionResult.getReplyEgress(); + + String topic = replyEgress.getTopic(); + + byte[] key = replyEgress.getId().getBytes(StandardCharsets.UTF_8); + byte[] value = message.toByteArray(); + + return new ProducerRecord(topic, key, value); + } catch (InvalidProtocolBufferException e) { + LOG.error(e.getLocalizedMessage()); + } + + return null; + } + +} \ No newline at end of file diff --git a/src/main/java/org/listware/io/utils/KafkaTypedValueDeserializer.java b/src/main/java/org/listware/io/utils/KafkaTypedValueDeserializer.java new file mode 100644 index 0000000..fb9838d --- /dev/null +++ b/src/main/java/org/listware/io/utils/KafkaTypedValueDeserializer.java @@ -0,0 +1,34 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import java.util.Map; + +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.common.serialization.Deserializer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.google.protobuf.InvalidProtocolBufferException; + +public class KafkaTypedValueDeserializer implements Deserializer { + private final Logger LOG = LoggerFactory.getLogger(KafkaTypedValueDeserializer.class); + + @Override + public void close() { + } + + @Override + public void configure(Map arg0, boolean arg1) { + } + + @Override + public TypedValue deserialize(String topic, byte[] data) { + try { + return TypedValue.parseFrom(data); + } catch (InvalidProtocolBufferException e) { + LOG.error(e.getLocalizedMessage()); + } + return null; + } +} diff --git a/src/main/java/org/listware/io/utils/KafkaTypedValueSerializer.java b/src/main/java/org/listware/io/utils/KafkaTypedValueSerializer.java new file mode 100644 index 0000000..07fede7 --- /dev/null +++ b/src/main/java/org/listware/io/utils/KafkaTypedValueSerializer.java @@ -0,0 +1,15 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.common.serialization.Serializer; + +public class KafkaTypedValueSerializer implements Serializer { + + @Override + public byte[] serialize(String topic, TypedValue data) { + return data.toByteArray(); + } + +} diff --git a/src/main/java/org/listware/io/utils/QDSLClient.java b/src/main/java/org/listware/io/utils/QDSLClient.java new file mode 100644 index 0000000..e49e766 --- /dev/null +++ b/src/main/java/org/listware/io/utils/QDSLClient.java @@ -0,0 +1,36 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import io.grpc.ManagedChannel; +import io.grpc.ManagedChannelBuilder; +import io.grpc.StatusRuntimeException; + +import java.util.concurrent.TimeUnit; + +import org.listware.sdk.pbcmdb.pbqdsl.QDSL; +import org.listware.sdk.pbcmdb.pbqdsl.QdslServiceGrpc; +import org.listware.io.utils.Constants.Cmdb.Qdsl; + +public class QDSLClient { + private final ManagedChannel channel; + private final QdslServiceGrpc.QdslServiceBlockingStub blockingStub; + + public QDSLClient() { + this(ManagedChannelBuilder.forAddress(Qdsl.ADDR, Qdsl.PORT).usePlaintext().build()); + } + + public QDSLClient(ManagedChannel channel) { + this.channel = channel; + blockingStub = QdslServiceGrpc.newBlockingStub(channel); + } + + public void shutdown() throws InterruptedException { + channel.shutdown().awaitTermination(5, TimeUnit.SECONDS); + } + + public QDSL.Elements qdsl(String query, QDSL.Options options) throws StatusRuntimeException { + QDSL.Query request = QDSL.Query.newBuilder().setQuery(query).setOptions(options).build(); + return blockingStub.qdsl(request); + } +} diff --git a/src/main/java/org/listware/io/utils/TypedValueDeserializer.java b/src/main/java/org/listware/io/utils/TypedValueDeserializer.java new file mode 100644 index 0000000..be7073f --- /dev/null +++ b/src/main/java/org/listware/io/utils/TypedValueDeserializer.java @@ -0,0 +1,23 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import org.apache.flink.statefun.sdk.kafka.KafkaIngressDeserializer; +import org.apache.flink.statefun.sdk.reqreply.generated.TypedValue; +import org.apache.kafka.clients.consumer.ConsumerRecord; +import org.listware.sdk.Functions.FunctionContext; + +import com.google.protobuf.ByteString; + +public class TypedValueDeserializer implements KafkaIngressDeserializer { + private static final long serialVersionUID = 1L; + + @Override + public TypedValue deserialize(ConsumerRecord input) { + return TypedValue.newBuilder().setValue(ByteString.copyFrom(input.value())).setHasValue(true).build(); + } + + public static TypedValue fromMessageLite(FunctionContext functionContext) { + return TypedValue.newBuilder().setValue(functionContext.toByteString()).setHasValue(true).build(); + } +} diff --git a/src/main/java/org/listware/io/utils/VertexClient.java b/src/main/java/org/listware/io/utils/VertexClient.java new file mode 100644 index 0000000..5b11b80 --- /dev/null +++ b/src/main/java/org/listware/io/utils/VertexClient.java @@ -0,0 +1,48 @@ +/* Copyright 2022 Listware */ + +package org.listware.io.utils; + +import java.util.concurrent.TimeUnit; + +import org.listware.sdk.pbcmdb.Core.Request; +import org.listware.sdk.pbcmdb.Core.Response; +import org.listware.io.utils.Constants.Cmdb.Qdsl; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.listware.sdk.pbcmdb.VertexServiceGrpc; + +import io.grpc.ManagedChannel; +import io.grpc.ManagedChannelBuilder; +import io.grpc.StatusRuntimeException; + +public class VertexClient { + private static final Logger LOG = LoggerFactory.getLogger(VertexClient.class); + + private final ManagedChannel channel; + private final VertexServiceGrpc.VertexServiceBlockingStub blockingStub; + + public VertexClient() { + this(ManagedChannelBuilder.forAddress(Qdsl.ADDR, Qdsl.PORT).usePlaintext().build()); + } + + public VertexClient(ManagedChannel channel) { + this.channel = channel; + blockingStub = VertexServiceGrpc.newBlockingStub(channel); + } + + public void shutdown() throws InterruptedException { + channel.shutdown().awaitTermination(5, TimeUnit.SECONDS); + } + + public Response read(String key, String collection) throws StatusRuntimeException { + LOG.info("read " + key + " from " + collection); + Request request = Request.newBuilder().setCollection(collection).setKey(key).build(); + Response resp = blockingStub.read(request); + return resp; + } + + public Response remove(String key, String collection) throws StatusRuntimeException { + Request request = Request.newBuilder().setCollection(collection).setKey(key).build(); + return blockingStub.remove(request); + } +} diff --git a/src/main/resources/META-INF/services/org.apache.flink.statefun.sdk.spi.StatefulFunctionModule b/src/main/resources/META-INF/services/org.apache.flink.statefun.sdk.spi.StatefulFunctionModule new file mode 100644 index 0000000..25c7c96 --- /dev/null +++ b/src/main/resources/META-INF/services/org.apache.flink.statefun.sdk.spi.StatefulFunctionModule @@ -0,0 +1 @@ + org.listware.io.Module