diff --git a/function-based-stream-app-samples/couchbase-stream-applications/.gitignore b/function-based-stream-app-samples/couchbase-stream-applications/.gitignore
new file mode 100644
index 0000000..549e00a
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/.gitignore
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/MavenWrapperDownloader.java b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000..e76d1f3
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2007-present the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+import java.net.*;
+import java.io.*;
+import java.nio.channels.*;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+ private static final String WRAPPER_VERSION = "0.5.6";
+ /**
+ * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+ */
+ private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+ + WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
+
+ /**
+ * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+ * use instead of the default one.
+ */
+ private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+ ".mvn/wrapper/maven-wrapper.properties";
+
+ /**
+ * Path where the maven-wrapper.jar will be saved to.
+ */
+ private static final String MAVEN_WRAPPER_JAR_PATH =
+ ".mvn/wrapper/maven-wrapper.jar";
+
+ /**
+ * Name of the property which should be used to override the default download url for the wrapper.
+ */
+ private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+ public static void main(String args[]) {
+ System.out.println("- Downloader started");
+ File baseDirectory = new File(args[0]);
+ System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+ // If the maven-wrapper.properties exists, read it and check if it contains a custom
+ // wrapperUrl parameter.
+ File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+ String url = DEFAULT_DOWNLOAD_URL;
+ if(mavenWrapperPropertyFile.exists()) {
+ FileInputStream mavenWrapperPropertyFileInputStream = null;
+ try {
+ mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+ Properties mavenWrapperProperties = new Properties();
+ mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+ url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+ } catch (IOException e) {
+ System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+ } finally {
+ try {
+ if(mavenWrapperPropertyFileInputStream != null) {
+ mavenWrapperPropertyFileInputStream.close();
+ }
+ } catch (IOException e) {
+ // Ignore ...
+ }
+ }
+ }
+ System.out.println("- Downloading from: " + url);
+
+ File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+ if(!outputFile.getParentFile().exists()) {
+ if(!outputFile.getParentFile().mkdirs()) {
+ System.out.println(
+ "- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+ }
+ }
+ System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+ try {
+ downloadFileFromURL(url, outputFile);
+ System.out.println("Done");
+ System.exit(0);
+ } catch (Throwable e) {
+ System.out.println("- Error downloading");
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
+
+ private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+ if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
+ String username = System.getenv("MVNW_USERNAME");
+ char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
+ Authenticator.setDefault(new Authenticator() {
+ @Override
+ protected PasswordAuthentication getPasswordAuthentication() {
+ return new PasswordAuthentication(username, password);
+ }
+ });
+ }
+ URL website = new URL(urlString);
+ ReadableByteChannel rbc;
+ rbc = Channels.newChannel(website.openStream());
+ FileOutputStream fos = new FileOutputStream(destination);
+ fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+ fos.close();
+ rbc.close();
+ }
+
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.jar b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000..2cc7d4a
Binary files /dev/null and b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.properties b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000..642d572
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/README.adoc b/function-based-stream-app-samples/couchbase-stream-applications/README.adoc
new file mode 100644
index 0000000..5209fe0
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/README.adoc
@@ -0,0 +1,14 @@
+= Couchbase Stream Applications
+
+A sample Spring Cloud Stream Application and Consumer to demonstrate testing strategies using TestContainers.
+
+This project includes the following modules:
+
+* link:couchbase-consumer/[couchbase-consumer] - A Consumer to upsert documents into Couchbase
+* link:couchbase-sink/[couchbase-sink] - A Spring Cloud Stream sink application to invoke the consumer
+
+== Build
+
+```bash
+./mvnw clean install
+```
\ No newline at end of file
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/pom.xml b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/pom.xml
new file mode 100644
index 0000000..65b0722
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/pom.xml
@@ -0,0 +1,59 @@
+
+
+ 4.0.0
+
+
+ io.spring.example
+ couchbase-stream-applications
+ 0.0.1-SNAPSHOT
+ ..
+
+ io.spring.example
+ couchbase-consumer
+ 0.0.1-SNAPSHOT
+ couchbase-consumer
+ Demo Couchbase Consumer
+
+
+
+ com.couchbase.client
+ java-client
+
+
+ org.springframework.cloud
+ spring-cloud-function-context
+
+
+ org.springframework.boot
+ spring-boot-configuration-processor
+ true
+
+
+ org.springframework.cloud.fn
+ config-common
+ 1.0.0-RC1
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+ io.projectreactor
+ reactor-test
+ test
+
+
+ org.testcontainers
+ couchbase
+ test
+
+
+ org.testcontainers
+ junit-jupiter
+ test
+
+
+
+
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerConfiguration.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerConfiguration.java
new file mode 100644
index 0000000..0cf6cac
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerConfiguration.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.consumer;
+
+import java.util.Optional;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import com.couchbase.client.java.Cluster;
+import com.couchbase.client.java.ReactiveBucket;
+import com.couchbase.client.java.ReactiveCollection;
+import com.couchbase.client.java.kv.MutationResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import reactor.core.publisher.Flux;
+
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.expression.Expression;
+import org.springframework.lang.Nullable;
+import org.springframework.messaging.Message;
+
+@Configuration
+@EnableConfigurationProperties(CouchbaseConsumerProperties.class)
+public class CouchbaseConsumerConfiguration {
+
+ private static Logger logger = LoggerFactory.getLogger(CouchbaseConsumerConfiguration.class);
+
+ @Bean
+ public Consumer>> couchbaseConsumer(
+ Function>, Flux> couchbaseConsumerFunction) {
+ return message -> couchbaseConsumerFunction.apply(message)
+ .subscribe(mutationResult ->
+ logger.debug("Processed " + message));
+ }
+
+ @Bean
+ public Function>, Flux> couchbaseConsumerFunction(Cluster cluster,
+ CouchbaseConsumerProperties consumerProperties) {
+ return flux -> flux.flatMap(message -> {
+ logger.debug("Processing message " + message);
+ String bucketName = bucket(message, consumerProperties.getBucketExpression());
+ String key = key(message, consumerProperties.getKeyExpression());
+ ReactiveBucket bucket = cluster.bucket(bucketName).reactive();
+ ReactiveCollection collection = collection(message, consumerProperties.getCollectionExpression())
+ .map(name -> bucket.collection(name)).orElse(bucket.defaultCollection());
+ return collection.upsert(key, value(message, consumerProperties.getValueExpression()));
+ });
+ }
+
+ private String bucket(Message> message, Expression expression) {
+ return expression.getValue(message, String.class);
+ }
+
+ private String key(Message> message, Expression expression) {
+ return expression.getValue(message, String.class);
+ }
+
+ private Object value(Message> message, Expression expression) {
+ return expression.getValue(message);
+ }
+
+ private Optional collection(Message> message, @Nullable Expression expression) {
+ return expression == null ? Optional.empty() : Optional.of(expression.getValue(message, String.class));
+ }
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerProperties.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerProperties.java
new file mode 100644
index 0000000..8bae6e9
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/main/java/io/spring/example/couchbase/consumer/CouchbaseConsumerProperties.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.consumer;
+
+import javax.validation.constraints.NotNull;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.expression.Expression;
+import org.springframework.expression.spel.standard.SpelExpressionParser;
+import org.springframework.validation.annotation.Validated;
+
+@ConfigurationProperties("couchbase.consumer")
+@Validated
+public class CouchbaseConsumerProperties {
+
+ private static final String DEFAULT_VALUE_EXPRESSION = "payload";
+
+ private final SpelExpressionParser parser = new SpelExpressionParser();
+
+ /**
+ * A SpEL expression to specify the bucket.
+ */
+ private Expression bucketExpression;
+
+ /**
+ * A SpEL expression to specify the key.
+ */
+ private Expression keyExpression;
+
+ /**
+ * A SpEL expression to specify the collection.
+ */
+ private Expression collectionExpression;
+
+ /**
+ * A SpEL expression to specify the value (default is payload).
+ */
+ private Expression valueExpression = parser.parseExpression(DEFAULT_VALUE_EXPRESSION);
+
+ @NotNull(message = "'valueExpression' is required")
+ public Expression getValueExpression() {
+ return valueExpression;
+ }
+
+ public void setValueExpression(Expression valueExpression) {
+ this.valueExpression = valueExpression;
+ }
+
+ public Expression getCollectionExpression() {
+ return collectionExpression;
+ }
+
+ public void setCollectionExpression(Expression collectionExpression) {
+ this.collectionExpression = collectionExpression;
+ }
+
+ @NotNull(message = "'keyExpression' is required")
+ public Expression getKeyExpression() {
+ return keyExpression;
+ }
+
+ public void setKeyExpression(Expression keyExpression) {
+ this.keyExpression = keyExpression;
+ }
+
+ @NotNull(message = "'bucketExpression' is required")
+ public Expression getBucketExpression() {
+ return bucketExpression;
+ }
+
+ public void setBucketExpression(Expression bucketExpression) {
+ this.bucketExpression = bucketExpression;
+ }
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/java/io/spring/example/couchbase/consumer/CouchbaseConsumerTests.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/java/io/spring/example/couchbase/consumer/CouchbaseConsumerTests.java
new file mode 100644
index 0000000..c70c55c
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/java/io/spring/example/couchbase/consumer/CouchbaseConsumerTests.java
@@ -0,0 +1,292 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.consumer;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
+import javax.annotation.PreDestroy;
+
+import com.couchbase.client.java.Bucket;
+import com.couchbase.client.java.Cluster;
+import com.couchbase.client.java.kv.MutationResult;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.testcontainers.couchbase.BucketDefinition;
+import org.testcontainers.couchbase.CouchbaseContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+import reactor.core.publisher.Flux;
+import reactor.test.StepVerifier;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.messaging.Message;
+import org.springframework.messaging.support.GenericMessage;
+import org.springframework.messaging.support.MessageBuilder;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+@Testcontainers
+public class CouchbaseConsumerTests {
+
+ @Container
+ static CouchbaseContainer container = new CouchbaseContainer("couchbase/server:6.6.0")
+ .withBucket(new BucketDefinition("test"));
+
+ static Map connectProperties = new HashMap<>();
+
+ @BeforeAll
+ static void initialize() {
+ connectProperties.put("spring.couchbase.connection-string", container.getConnectionString());
+ connectProperties.put("spring.couchbase.username", container.getUsername());
+ connectProperties.put("spring.couchbase.password", container.getPassword());
+ }
+
+ private SpringApplicationBuilder applicationBuilder;
+
+ @BeforeEach
+ void setup() {
+ applicationBuilder = new SpringApplicationBuilder(TestConfig.class).web(WebApplicationType.NONE)
+ .properties(connectProperties);
+ }
+
+ @Test
+ void keyExpressionRequired() {
+ assertThatExceptionOfType(RuntimeException.class).isThrownBy(
+ () -> applicationBuilder.run("--couchbase.consumer.bucket-expression='test'")) // faster
+ .havingRootCause()
+ .withMessageContaining("'keyExpression' is required");
+ }
+
+ @Test
+ void singleUpsert() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "'test'",
+ "couchbase.consumer.keyExpression", "payload.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ String bucketName = properties.getBucketExpression().getValue(String.class);
+ Function>, Flux> couchbaseConsumerFunction = context
+ .getBean("couchbaseConsumerFunction", Function.class);
+ StepVerifier.create(couchbaseConsumerFunction
+ .apply(Flux.just(new GenericMessage<>(new User("David", "david@david.com")))))
+ .expectNextMatches(mutationResult -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .verifyComplete();
+
+ User saved = cluster.bucket(bucketName).defaultCollection().get("david@david.com").contentAs(User.class);
+ assertThat(saved.getName()).isEqualTo("David");
+ }
+ }
+
+ @Test
+ void singleUpsertConsumer() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "'test'",
+ "couchbase.consumer.keyExpression", "payload.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ String bucketName = properties.getBucketExpression().getValue(String.class);
+ Consumer>> couchbaseConsumer = context
+ .getBean("couchbaseConsumer", Consumer.class);
+ couchbaseConsumer.accept(Flux.just(new GenericMessage<>(new User("David", "david@david.com"))));
+
+ User saved = cluster.bucket(bucketName).defaultCollection().get("david@david.com").contentAs(User.class);
+ assertThat(saved.getName()).isEqualTo("David");
+ }
+ }
+
+
+ @Test
+ void multipleUpsert() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "'test'",
+ "couchbase.consumer.keyExpression", "payload.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ String bucketName = properties.getBucketExpression().getValue(String.class);
+ User user1 = new User("David", "david@david.com");
+ User user2 = new User("Nanette", "nanette@nanette.com");
+ User user3 = new User("Soby", "soby@soby.com");
+
+ Function>, Flux> couchbaseConsumerFunction = context
+ .getBean("couchbaseConsumerFunction", Function.class);
+ StepVerifier.create(couchbaseConsumerFunction
+ .apply(Flux.just(
+ new GenericMessage<>(user1),
+ new GenericMessage<>(user2),
+ new GenericMessage<>(user3))))
+ .expectNextMatches(mutationResult -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .expectNextMatches(mutationResult -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .expectNextMatches(mutationResult -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .verifyComplete();
+
+ List users = cluster.query("SELECT name,email from test").rowsAs(User.class);
+ assertThat(users).containsExactlyInAnyOrder(user1, user2, user3);
+ }
+ }
+
+ @Test
+ void customBucketExpression() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "headers.bucketName",
+ "couchbase.consumer.keyExpression", "payload.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ String bucketName = "test";
+ MessageBuilder.withPayload(new User("David", "david@david.com"))
+ .copyHeaders(Map.of("bucketName", bucketName)).build();
+ Function>, Flux> couchbaseConsumerFunction = context
+ .getBean("couchbaseConsumerFunction", Function.class);
+ Message> message = MessageBuilder.withPayload(new User("David", "david@david.com"))
+ .copyHeaders(Map.of("bucketName", bucketName)).build();
+ StepVerifier.create(couchbaseConsumerFunction.apply(Flux.just(message)))
+ .expectNextMatches(
+ (MutationResult mutationResult) -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .verifyComplete();
+
+ User saved = cluster.bucket(bucketName).defaultCollection().get("david@david.com").contentAs(User.class);
+ assertThat(saved.getName()).isEqualTo("David");
+ }
+ }
+
+ @Test
+ void customValueExpression() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "'test'",
+ "couchbase.consumer.valueExpression", "payload.user",
+ "couchbase.consumer.keyExpression", "payload.user.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ String bucketName = properties.getBucketExpression().getValue(String.class);
+ Function>, Flux> couchbaseConsumerFunction = context
+ .getBean("couchbaseConsumerFunction", Function.class);
+ StepVerifier.create(couchbaseConsumerFunction
+ .apply(Flux.just(new GenericMessage<>(Map.of("user", new User("David", "david@david.com"))))))
+ .expectNextMatches(mutationResult -> mutationResult.mutationToken().get().bucketName().equals(
+ bucketName))
+ .verifyComplete();
+
+ Bucket bucket = cluster.bucket(bucketName);
+ User saved = cluster.bucket(bucketName).defaultCollection().get("david@david.com").contentAs(User.class);
+ assertThat(saved.getName()).isEqualTo("David");
+ }
+ }
+
+ @Test
+ void bucketDoesNotExistShouldThrowException() {
+ try (ConfigurableApplicationContext context = applicationBuilder
+ .properties(Map.of(
+ "couchbase.consumer.bucketExpression", "'users'",
+ "couchbase.consumer.keyExpression", "payload.email"))
+ .run()) {
+ CouchbaseConsumerProperties properties = context.getBean(CouchbaseConsumerProperties.class);
+ Function>, Flux> couchbaseConsumerFunction = context
+ .getBean("couchbaseConsumerFunction", Function.class);
+ StepVerifier.create(couchbaseConsumerFunction
+ .apply(Flux.just(new GenericMessage<>(new User("David", "david@david.com")))))
+ .expectErrorMatches(e -> e.toString().contains("BUCKET_NOT_AVAILABLE"))
+ .verify();
+ }
+ }
+
+ @SpringBootApplication
+ static class TestConfig {
+ @Autowired
+ Cluster cluster;
+
+ @PreDestroy
+ public void destroy() {
+ cluster.disconnect();
+ }
+ }
+
+ @JsonIgnoreProperties(ignoreUnknown = true)
+ static class User {
+ private String name;
+
+ private String email;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getEmail() {
+ return email;
+ }
+
+ public void setEmail(String email) {
+ this.email = email;
+ }
+
+ public User() {
+ }
+
+ User(String name, String email) {
+ this.name = name;
+ this.email = email;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ User user = (User) o;
+ return Objects.equals(name, user.name) &&
+ Objects.equals(email, user.email);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(name, email);
+ }
+ }
+
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/resources/logback-test.xml b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/resources/logback-test.xml
new file mode 100644
index 0000000..132ca69
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-consumer/src/test/resources/logback-test.xml
@@ -0,0 +1,14 @@
+
+
+
+ %d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/README.adoc b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/README.adoc
new file mode 100644
index 0000000..8ab130f
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/README.adoc
@@ -0,0 +1,22 @@
+== Options
+
+The **$$couchbase$$** $$sink$$ has the following options:
+
+
+//tag::configuration-properties[]
+Properties grouped by prefix:
+
+
+=== couchbase.consumer
+
+$$bucket-expression$$:: $$A SpEL expression to specify the bucket.$$ *($$Expression$$, default: `$$$$`)*
+$$collection-expression$$:: $$A SpEL expression to specify the collection.$$ *($$Expression$$, default: `$$$$`)*
+$$key-expression$$:: $$A SpEL expression to specify the key.$$ *($$Expression$$, default: `$$$$`)*
+$$value-expression$$:: $$A SpEL expression to specify the value (default is payload).$$ *($$Expression$$, default: `$$$$`)*
+
+=== spring.couchbase
+
+$$connection-string$$:: $$Connection string used to locate the Couchbase cluster.$$ *($$String$$, default: `$$$$`)*
+$$password$$:: $$Cluster password.$$ *($$String$$, default: `$$$$`)*
+$$username$$:: $$Cluster username.$$ *($$String$$, default: `$$$$`)*
+//end::configuration-properties[]
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/pom.xml b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/pom.xml
new file mode 100644
index 0000000..845bf52
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/pom.xml
@@ -0,0 +1,132 @@
+
+
+ 4.0.0
+
+ io.spring.example
+ couchbase-stream-applications
+ 0.0.1-SNAPSHOT
+ ..
+
+ io.spring.example
+ couchbase-sink
+ 0.0.1-SNAPSHOT
+ couchbase-sink
+ Demo Couchbase Sink
+
+
+ !integration
+
+
+
+
+ io.spring.example
+ couchbase-consumer
+ 0.0.1-SNAPSHOT
+
+
+ org.springframework.cloud
+ spring-cloud-stream
+
+
+ org.springframework.boot
+ spring-boot-starter-actuator
+
+
+ org.springframework.cloud
+ spring-cloud-stream-binder-kafka
+
+
+ org.springframework.boot
+ spring-boot-starter-test
+ test
+
+
+ org.springframework.cloud
+ spring-cloud-stream
+ test-jar
+ test-binder
+ test
+
+
+ org.testcontainers
+ couchbase
+ test
+
+
+ org.testcontainers
+ kafka
+ test
+
+
+ org.testcontainers
+ junit-jupiter
+ test
+
+
+ org.springframework.cloud.stream.app
+ stream-applications-test-support
+ 3.0.0-RC1
+ test
+
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-failsafe-plugin
+
+
+ org.junit.jupiter
+ junit-jupiter-engine
+ 5.7.0
+
+
+
+
+ integration
+
+ *IntegrationTests.java
+
+ true
+
+
+
+ org.springframework.boot
+ spring-boot-maven-plugin
+
+
+ build-imagage
+
+ build-image
+
+ pre-integration-test
+
+
+
+
+ org.springframework.cloud
+ spring-cloud-dataflow-apps-docs-plugin
+ 1.1.0-SNAPSHOT
+
+
+ generate-documentation
+ verify
+
+ generate-documentation
+
+
+
+
+
+ org.apache.maven.plugins
+ maven-surefire-plugin
+
+ !integration
+
+
+
+
+
+
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/java/io/spring/example/couchbase/sink/CouchbaseSinkApplication.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/java/io/spring/example/couchbase/sink/CouchbaseSinkApplication.java
new file mode 100644
index 0000000..4bc9e36
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/java/io/spring/example/couchbase/sink/CouchbaseSinkApplication.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.sink;
+
+import io.spring.example.couchbase.consumer.CouchbaseConsumerConfiguration;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Import;
+
+@SpringBootApplication
+@Import(CouchbaseConsumerConfiguration.class)
+public class CouchbaseSinkApplication {
+ public static void main(String... args) {
+ new SpringApplication(CouchbaseSinkApplication.class).run(args);
+ }
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/META-INF/dataflow-configuration-metadata.properties b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/META-INF/dataflow-configuration-metadata.properties
new file mode 100644
index 0000000..104d30a
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/META-INF/dataflow-configuration-metadata.properties
@@ -0,0 +1,3 @@
+configuration-properties.classes=io.spring.example.couchbase.consumer.CouchbaseConsumerProperties, \
+ org.springframework.boot.autoconfigure.couchbase.CouchbaseProperties
+
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/application.properties b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/application.properties
new file mode 100644
index 0000000..6fb5cfc
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/main/resources/application.properties
@@ -0,0 +1,3 @@
+management.endpoints.web.exposure.include=health,info,bindings
+spring.cloud.function.definition=couchbaseConsumer
+spring.cloud.stream.function.bindings.couchbaseConsumer-in-0=input
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/CouchbaseSinkApplicationTests.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/CouchbaseSinkApplicationTests.java
new file mode 100644
index 0000000..c0879fe
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/CouchbaseSinkApplicationTests.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.sink;
+
+import java.time.Duration;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.couchbase.client.java.Cluster;
+import io.spring.example.couchbase.sink.domain.User;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+import org.testcontainers.couchbase.BucketDefinition;
+import org.testcontainers.couchbase.CouchbaseContainer;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.junit.jupiter.Testcontainers;
+
+import org.springframework.boot.WebApplicationType;
+import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.cloud.stream.binder.test.InputDestination;
+import org.springframework.cloud.stream.binder.test.TestChannelBinderConfiguration;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.messaging.support.GenericMessage;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.awaitility.Awaitility.await;
+
+@Testcontainers
+public class CouchbaseSinkApplicationTests {
+ @Container
+ static CouchbaseContainer container = new CouchbaseContainer("couchbase/server:6.6.0")
+ .withBucket(new BucketDefinition("test"));
+
+ static Map connectProperties = new HashMap<>();
+
+ @BeforeAll
+ static void initialize() {
+ connectProperties.put("spring.couchbase.connection-string", container.getConnectionString());
+ connectProperties.put("spring.couchbase.username", container.getUsername());
+ connectProperties.put("spring.couchbase.password", container.getPassword());
+ }
+
+ @Test
+ void test() {
+ try (ConfigurableApplicationContext context = new SpringApplicationBuilder(
+ TestChannelBinderConfiguration
+ .getCompleteConfiguration(CouchbaseSinkApplication.class, CouchbaseSinkApplication.class))
+ .web(WebApplicationType.NONE)
+ .properties(connectProperties)
+ .run("--couchbase.consumer.bucketExpression='test'",
+ "--couchbase.consumer.keyExpression=payload.email")) {
+ InputDestination inputDestination = context.getBean(InputDestination.class);
+ Cluster cluster = context.getBean(Cluster.class);
+ inputDestination.send(new GenericMessage<>(new User("Bart Simpson", "bart@simpsons.com")));
+
+ await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
+ User user = cluster.bucket("test").defaultCollection().get("bart@simpsons.com")
+ .contentAs(User.class);
+ assertThat(user).isNotNull();
+ assertThat(user.getName()).isEqualTo("Bart Simpson");
+ });
+ }
+ }
+
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/domain/User.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/domain/User.java
new file mode 100644
index 0000000..b73d49b
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/domain/User.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.sink.domain;
+
+import java.util.Objects;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class User {
+ private String name;
+
+ private String email;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public String getEmail() {
+ return email;
+ }
+
+ public void setEmail(String email) {
+ this.email = email;
+ }
+
+ public User() {
+ }
+
+ public User(String name, String email) {
+ this.name = name;
+ this.email = email;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+ User user = (User) o;
+ return Objects.equals(name, user.name) &&
+ Objects.equals(email, user.email);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(name, email);
+ }
+}
\ No newline at end of file
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/integration/CouchbaseSinkIntegrationTests.java b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/integration/CouchbaseSinkIntegrationTests.java
new file mode 100644
index 0000000..895c79f
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/java/io/spring/example/couchbase/sink/integration/CouchbaseSinkIntegrationTests.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2020-2020 the original author or authors.
+ *
+ * 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
+ *
+ * https://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.
+ */
+
+package io.spring.example.couchbase.sink.integration;
+
+import java.time.Duration;
+
+import com.couchbase.client.java.Cluster;
+import com.couchbase.client.java.ClusterOptions;
+import com.couchbase.client.java.kv.ExistsResult;
+import io.spring.example.couchbase.sink.domain.User;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Tag;
+import org.junit.jupiter.api.Test;
+import org.testcontainers.containers.wait.strategy.Wait;
+import org.testcontainers.couchbase.BucketDefinition;
+import org.testcontainers.couchbase.CouchbaseContainer;
+import org.testcontainers.couchbase.CouchbaseService;
+import org.testcontainers.junit.jupiter.Container;
+import org.testcontainers.shaded.com.fasterxml.jackson.core.JsonProcessingException;
+import org.testcontainers.shaded.com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cloud.stream.app.test.integration.StreamAppContainer;
+import org.springframework.cloud.stream.app.test.integration.TestTopicSender;
+import org.springframework.cloud.stream.app.test.integration.junit.jupiter.KafkaStreamAppTest;
+import org.springframework.cloud.stream.app.test.integration.kafka.KafkaConfig;
+import org.springframework.cloud.stream.app.test.integration.kafka.KafkaStreamAppContainer;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.awaitility.Awaitility.await;
+import static org.springframework.cloud.stream.app.test.integration.AppLog.appLog;
+
+@KafkaStreamAppTest
+@Tag("integration")
+public class CouchbaseSinkIntegrationTests {
+
+ static StreamAppContainer sink = new KafkaStreamAppContainer("couchbase-sink:0.0.1-SNAPSHOT");
+
+ @Container
+ static CouchbaseContainer container = new CouchbaseContainer("couchbase/server:6.6.0")
+ .withEnabledServices(CouchbaseService.INDEX, CouchbaseService.KV, CouchbaseService.QUERY,
+ CouchbaseService.SEARCH)
+ .withNetwork(KafkaConfig.kafka.getNetwork())
+ .withNetworkAliases("couchbase-server")
+ .withBucket(new BucketDefinition("test"));
+
+ static Cluster cluster;
+
+ @Autowired
+ TestTopicSender testTopicSender;
+
+ @BeforeAll
+ static void initialize() {
+ await().until(() -> container.isRunning());
+ String connectionString = "couchbase://couchbase-server";
+ sink.waitingFor(Wait.forLogMessage(".*Started CouchbaseSink.*", 1))
+ .withLogConsumer(appLog("couchbase-sink"))
+ .withCommand(
+ "--spring.couchbase.connection-string=couchbase://couchbase-server",
+ "--spring.couchbase.username=" + container.getUsername(),
+ "--spring.couchbase.password=" + container.getPassword(),
+ "--couchbase.consumer.bucket-expression='test'",
+ "--couchbase.consumer.key-expression=payload.email")
+ .start();
+
+ cluster = Cluster.connect(container.getConnectionString(),
+ ClusterOptions.clusterOptions(container.getUsername(), container.getPassword()));
+ }
+
+ @AfterAll
+ static void stop() {
+ sink.stop();
+ }
+
+ @Test
+ void test() throws JsonProcessingException {
+ ObjectMapper objectMapper = new ObjectMapper();
+ testTopicSender.send(sink.getInputDestination(),
+ objectMapper.writeValueAsString(new User("Bart Simpson", "bart@simpsons.com")));
+
+ await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
+ ExistsResult result = cluster.bucket("test").defaultCollection().exists("bart@simpsons.com");
+ assertThat(result.exists()).isTrue();
+ });
+
+ User user = objectMapper.readValue(
+ cluster.bucket("test").defaultCollection().get("bart@simpsons.com").contentAs(String.class),
+ User.class);
+
+ assertThat(user.getName()).isEqualTo("Bart Simpson");
+ }
+
+}
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/resources/logback-test.xml b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/resources/logback-test.xml
new file mode 100644
index 0000000..132ca69
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/couchbase-sink/src/test/resources/logback-test.xml
@@ -0,0 +1,14 @@
+
+
+
+ %d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/mvnw b/function-based-stream-app-samples/couchbase-stream-applications/mvnw
new file mode 100755
index 0000000..a16b543
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/mvnw
@@ -0,0 +1,310 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you 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
+#
+# https://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.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+# JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+# M2_HOME - location of maven2's installed home dir
+# MAVEN_OPTS - parameters passed to the Java VM when running Maven
+# e.g. to debug Maven itself, use
+# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+ if [ -f /etc/mavenrc ] ; then
+ . /etc/mavenrc
+ fi
+
+ if [ -f "$HOME/.mavenrc" ] ; then
+ . "$HOME/.mavenrc"
+ fi
+
+fi
+
+# OS specific support. $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+ CYGWIN*) cygwin=true ;;
+ MINGW*) mingw=true;;
+ Darwin*) darwin=true
+ # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+ # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+ if [ -z "$JAVA_HOME" ]; then
+ if [ -x "/usr/libexec/java_home" ]; then
+ export JAVA_HOME="`/usr/libexec/java_home`"
+ else
+ export JAVA_HOME="/Library/Java/Home"
+ fi
+ fi
+ ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+ if [ -r /etc/gentoo-release ] ; then
+ JAVA_HOME=`java-config --jre-home`
+ fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+ ## resolve links - $0 may be a link to maven's home
+ PRG="$0"
+
+ # need this for relative symlinks
+ while [ -h "$PRG" ] ; do
+ ls=`ls -ld "$PRG"`
+ link=`expr "$ls" : '.*-> \(.*\)$'`
+ if expr "$link" : '/.*' > /dev/null; then
+ PRG="$link"
+ else
+ PRG="`dirname "$PRG"`/$link"
+ fi
+ done
+
+ saveddir=`pwd`
+
+ M2_HOME=`dirname "$PRG"`/..
+
+ # make it fully qualified
+ M2_HOME=`cd "$M2_HOME" && pwd`
+
+ cd "$saveddir"
+ # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --unix "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME="`(cd "$M2_HOME"; pwd)`"
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+ javaExecutable="`which javac`"
+ if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+ # readlink(1) is not available as standard on Solaris 10.
+ readLink=`which readlink`
+ if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+ if $darwin ; then
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+ else
+ javaExecutable="`readlink -f \"$javaExecutable\"`"
+ fi
+ javaHome="`dirname \"$javaExecutable\"`"
+ javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+ JAVA_HOME="$javaHome"
+ export JAVA_HOME
+ fi
+ fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+ if [ -n "$JAVA_HOME" ] ; then
+ if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+ # IBM's JDK on AIX uses strange locations for the executables
+ JAVACMD="$JAVA_HOME/jre/sh/java"
+ else
+ JAVACMD="$JAVA_HOME/bin/java"
+ fi
+ else
+ JAVACMD="`which java`"
+ fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+ echo "Error: JAVA_HOME is not defined correctly." >&2
+ echo " We cannot execute $JAVACMD" >&2
+ exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+ echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+ if [ -z "$1" ]
+ then
+ echo "Path not specified to find_maven_basedir"
+ return 1
+ fi
+
+ basedir="$1"
+ wdir="$1"
+ while [ "$wdir" != '/' ] ; do
+ if [ -d "$wdir"/.mvn ] ; then
+ basedir=$wdir
+ break
+ fi
+ # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+ if [ -d "${wdir}" ]; then
+ wdir=`cd "$wdir/.."; pwd`
+ fi
+ # end of workaround
+ done
+ echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+ if [ -f "$1" ]; then
+ echo "$(tr -s '\n' ' ' < "$1")"
+ fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+ exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found .mvn/wrapper/maven-wrapper.jar"
+ fi
+else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+ fi
+ if [ -n "$MVNW_REPOURL" ]; then
+ jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ else
+ jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ fi
+ while IFS="=" read key value; do
+ case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+ esac
+ done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Downloading from: $jarUrl"
+ fi
+ wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+ if $cygwin; then
+ wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+ fi
+
+ if command -v wget > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found wget ... using wget"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ wget "$jarUrl" -O "$wrapperJarPath"
+ else
+ wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
+ fi
+ elif command -v curl > /dev/null; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Found curl ... using curl"
+ fi
+ if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+ curl -o "$wrapperJarPath" "$jarUrl" -f
+ else
+ curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+ fi
+
+ else
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo "Falling back to using Java to download"
+ fi
+ javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+ # For Cygwin, switch paths to Windows format before running javac
+ if $cygwin; then
+ javaClass=`cygpath --path --windows "$javaClass"`
+ fi
+ if [ -e "$javaClass" ]; then
+ if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Compiling MavenWrapperDownloader.java ..."
+ fi
+ # Compiling the Java class
+ ("$JAVA_HOME/bin/javac" "$javaClass")
+ fi
+ if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+ # Running the downloader
+ if [ "$MVNW_VERBOSE" = true ]; then
+ echo " - Running MavenWrapperDownloader.java ..."
+ fi
+ ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+ fi
+ fi
+ fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+ echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+ [ -n "$M2_HOME" ] &&
+ M2_HOME=`cygpath --path --windows "$M2_HOME"`
+ [ -n "$JAVA_HOME" ] &&
+ JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+ [ -n "$CLASSPATH" ] &&
+ CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+ [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+ MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+ $MAVEN_OPTS \
+ -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+ "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+ ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/mvnw.cmd b/function-based-stream-app-samples/couchbase-stream-applications/mvnw.cmd
new file mode 100644
index 0000000..c8d4337
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/mvnw.cmd
@@ -0,0 +1,182 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements. See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership. The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License. You may obtain a copy of the License at
+@REM
+@REM https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied. See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+
+FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+ IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Found %WRAPPER_JAR%
+ )
+) else (
+ if not "%MVNW_REPOURL%" == "" (
+ SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
+ )
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Couldn't find %WRAPPER_JAR%, downloading it ...
+ echo Downloading from: %DOWNLOAD_URL%
+ )
+
+ powershell -Command "&{"^
+ "$webclient = new-object System.Net.WebClient;"^
+ "if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+ "$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+ "}"^
+ "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+ "}"
+ if "%MVNW_VERBOSE%" == "true" (
+ echo Finished downloading %WRAPPER_JAR%
+ )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/function-based-stream-app-samples/couchbase-stream-applications/pom.xml b/function-based-stream-app-samples/couchbase-stream-applications/pom.xml
new file mode 100644
index 0000000..591137c
--- /dev/null
+++ b/function-based-stream-app-samples/couchbase-stream-applications/pom.xml
@@ -0,0 +1,82 @@
+
+
+ 4.0.0
+
+ org.springframework.boot
+ spring-boot-starter-parent
+ 2.4.0
+
+
+ io.spring.example
+ couchbase-stream-applications
+ 0.0.1-SNAPSHOT
+ couchbase-stream-applications
+ pom
+ Demo Stream Applications project for Couchhbase
+
+
+ 11
+ 2020.0.0-M5
+ 1.86
+ 3.0.10
+ 1.15.0
+
+
+
+
+ couchbase-consumer
+ couchbase-sink
+
+
+
+
+
+ com.couchbase.client
+ java-client
+ ${couchbase-java-client.version}
+
+
+ org.springframework.cloud
+ spring-cloud-dependencies
+ ${spring-cloud.version}
+ pom
+ import
+
+
+ org.testcontainers
+ testcontainers-bom
+ ${test-containers.version}
+ pom
+ import
+
+
+
+
+
+
+ spring-milestones
+ Spring Milestones
+ https://repo.spring.io/milestone
+
+
+
+
+
+ spring-milestones
+ Spring Milestones
+ https://repo.spring.io/milestone
+
+
+
+ spring-snapshots
+ Spring Snapshots
+ https://repo.spring.io/snapshot
+
+ true
+
+
+
+
+
+
diff --git a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
index a450fff..e64ac8b 100644
--- a/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
+++ b/function-based-stream-app-samples/image-thumbnail-samples/image-thumbnail-stream-sample/image-thumbnail-sink/pom.xml
@@ -109,4 +109,46 @@
+
+
+ spring-snapshots
+ Spring Snapshots
+ https://repo.spring.io/snapshot
+
+ true
+
+
+ false
+
+
+
+ spring-milestones
+ Spring Milestones
+ https://repo.spring.io/milestonl
+
+ false
+
+
+
+
+
+ spring-snapshots
+ Spring Snapshots
+ https://repo.spring.io/snapshot
+
+ true
+
+
+ false
+
+
+
+ spring-milestones
+ Spring Milestones
+ https://repo.spring.io/milestone
+
+ false
+
+
+
\ No newline at end of file
diff --git a/function-based-stream-app-samples/pom.xml b/function-based-stream-app-samples/pom.xml
index 39f65ed..e04fe1d 100644
--- a/function-based-stream-app-samples/pom.xml
+++ b/function-based-stream-app-samples/pom.xml
@@ -15,6 +15,7 @@
image-thumbnail-samples
+ couchbase-stream-applications