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added FunctionProxyApplicationListener

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added support for lambda compiling Supplier and Consumer proxies
This commit is contained in:
markfisher
2017-02-03 16:22:48 -05:00
parent 0a6dce951b
commit f20cff0fc8
6 changed files with 124 additions and 55 deletions
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11
spring-cloud-function-samples/spring-cloud-function-sample-compiler/pom.xml
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@@ -25,12 +25,6 @@
</properties>
<dependencies>
<dependency>
<!-- TODO: this shouldn't be needed (bug in thin launcher) -->
<groupId>io.projectreactor</groupId>
<artifactId>reactor-core</artifactId>
<version>${reactor.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-web</artifactId>
@@ -41,11 +35,6 @@
<artifactId>spring-cloud-function-compiler</artifactId>
<version>${spring-cloud-function.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<build>

41
spring-cloud-function-samples/spring-cloud-function-sample-compiler/src/main/java/com/example/SampleApplication.java
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@@ -16,54 +16,13 @@
package com.example;
import java.util.function.Function;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.function.compiler.FunctionCompiler;
import org.springframework.cloud.function.compiler.proxy.LambdaCompilingFunction;
import org.springframework.context.annotation.Bean;
import org.springframework.core.io.ByteArrayResource;
import reactor.core.publisher.Flux;
@SpringBootApplication
@EnableConfigurationProperties(FunctionProperties.class)
public class SampleApplication {
@Autowired
private FunctionProperties properties;
@Bean
@SuppressWarnings({ "unchecked", "rawtypes" })
public Function<Flux<String>, Flux<String>> function(FunctionCompiler<?, ?> compiler) {
ByteArrayResource resource = new ByteArrayResource(properties.getLambda().getBytes());
return new LambdaCompilingFunction(resource, compiler);
}
@Bean
public FunctionCompiler<?, ?> compiler() {
return new FunctionCompiler<>();
}
public static void main(String[] args) throws Exception {
SpringApplication.run(SampleApplication.class, args);
}
}
@ConfigurationProperties("function")
class FunctionProperties {
private String lambda;
public String getLambda() {
return lambda;
}
public void setLambda(String lambda) {
this.lambda = lambda;
}
}

6
spring-cloud-function-samples/spring-cloud-function-sample-compiler/src/test/java/com/example/SampleApplicationTests.java
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@@ -32,7 +32,7 @@ import static org.assertj.core.api.Assertions.assertThat;
*/
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT,
properties = "function.lambda=f->f.map(s->s.toString().toLowerCase())")
properties = "spring.cloud.function.proxy.test.lambda=f->f.map(s->s+\"!!!\")")
public class SampleApplicationTests {
@LocalServerPort
@@ -41,8 +41,8 @@ public class SampleApplicationTests {
@Test
public void lowercase() {
assertThat(new TestRestTemplate().postForObject(
"http://localhost:" + port + "/function", "{\"VALUE\":\"FOO\"}",
String.class)).isEqualTo("{\"value\":\"foo\"}");
"http://localhost:" + port + "/test", "it works",
String.class)).isEqualTo("it works!!!");
}
}