SpringCloud/spring-cloud-function
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Add a sample app with just beans that are Functions

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Make it deployable via its maven coordinates in
spring-cloud-function-deployer (it is deployed by default on start
up right now, but that's just a demo)
This commit is contained in:
Dave Syer
2016-12-16 11:17:23 +00:00
parent 7408664aeb
commit c6736f959b
39 changed files with 1404 additions and 84 deletions
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24
spring-cloud-function-task/src/main/java/org/springframework/cloud/function/task/TaskConfiguration.java
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@@ -24,9 +24,9 @@ import java.util.function.Supplier;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.function.registry.FileSystemFunctionRegistry;
import org.springframework.cloud.function.registry.FunctionRegistry;
import org.springframework.cloud.function.registry.FunctionCatalog;
import org.springframework.cloud.task.configuration.EnableTask;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@@ -40,24 +40,23 @@ import reactor.core.publisher.Flux;
@Configuration
@EnableTask
@EnableConfigurationProperties(LambdaConfigurationProperties.class)
@ConditionalOnClass({ EnableTask.class })
public class TaskConfiguration {
@Autowired
private LambdaConfigurationProperties properties;
@Bean
public FunctionRegistry registry() {
return new FileSystemFunctionRegistry();
}
@Bean
public CommandLineRunner commandLineRunner(FunctionRegistry registry) {
final Supplier<Flux<Object>> supplier = registry.lookupSupplier(properties.getSupplier());
public CommandLineRunner commandLineRunner(FunctionCatalog registry) {
final Supplier<Flux<Object>> supplier = registry
.lookupSupplier(properties.getSupplier());
String functionName = properties.getFunction();
Function<Flux<Object>, Flux<Object>> function = (functionName.indexOf(',') == -1)
? registry.lookupFunction(functionName)
: registry.composeFunction(StringUtils.commaDelimitedListToStringArray(functionName));
final Consumer<Object> consumer = registry.lookupConsumer(properties.getConsumer());
: registry.composeFunction(
StringUtils.commaDelimitedListToStringArray(functionName));
final Consumer<Object> consumer = registry
.lookupConsumer(properties.getConsumer());
final CountDownLatch latch = new CountDownLatch(1);
final AtomicBoolean status = new AtomicBoolean();
CommandLineRunner runner = new CommandLineRunner() {
@@ -81,7 +80,8 @@ public class TaskConfiguration {
private final boolean value;
private CompletionConsumer(CountDownLatch latch, AtomicBoolean status, boolean value) {
private CompletionConsumer(CountDownLatch latch, AtomicBoolean status,
boolean value) {
this.latch = latch;
this.status = status;
this.value = value;

2
spring-cloud-function-task/src/main/resources/META-INF/spring.factories Normal file
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@@ -0,0 +1,2 @@
org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
org.springframework.cloud.function.task.TaskConfiguration