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Add support for application type Function in Azure

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See #215
This commit is contained in:
Dave Syer
2018-10-12 16:53:42 +01:00
parent 14af9647b3
commit 3966f378b7
2 changed files with 154 additions and 5 deletions
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42
spring-cloud-function-adapters/spring-cloud-function-adapter-azure/src/main/java/org/springframework/cloud/function/adapter/azure/AzureSpringFunctionInitializer.java
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@@ -38,10 +38,13 @@ import org.springframework.boot.SpringApplication;
import org.springframework.boot.WebApplicationType;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionType;
import org.springframework.cloud.function.context.catalog.FunctionInspector;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.GenericApplicationContext;
import org.springframework.util.ClassUtils;
/**
@@ -135,22 +138,39 @@ public class AzureSpringFunctionInitializer implements Closeable {
}
private SpringApplication springApplication() {
ApplicationContextInitializer<?> initializer = null;
ApplicationContextInitializer<GenericApplicationContext> initializer = null;
Class<?> sourceClass = configurationClass;
if (ApplicationContextInitializer.class.isAssignableFrom(sourceClass)) {
initializer = BeanUtils.instantiateClass(configurationClass, ApplicationContextInitializer.class);
@SuppressWarnings("unchecked")
ApplicationContextInitializer<GenericApplicationContext> instance = BeanUtils
.instantiateClass(configurationClass,
ApplicationContextInitializer.class);
initializer = instance;
sourceClass = Object.class;
}
else if (Function.class.isAssignableFrom(sourceClass)) {
@SuppressWarnings("unchecked")
final Class<Function<?, ?>> type = (Class<Function<?, ?>>) sourceClass;
initializer = context -> {
context.registerBean(FunctionRegistration.class,
() -> new FunctionRegistration<>(
context.getAutowireCapableBeanFactory().createBean(type))
.type(FunctionType.of(type)));
};
sourceClass = Object.class;
}
SpringApplication application;
if (initializer!=null) {
if (initializer != null) {
application = new SpringApplication(sourceClass) {
@Override
protected void load(ApplicationContext context, Object[] sources) {
}
};
application.addInitializers(initializer);
application.setDefaultProperties(Collections.singletonMap("spring.functional.enabled", "true"));
} else {
application.setDefaultProperties(
Collections.singletonMap("spring.functional.enabled", "true"));
}
else {
application = new SpringApplication(sourceClass);
}
application.setWebApplicationType(WebApplicationType.NONE);
@@ -240,4 +260,16 @@ public class AzureSpringFunctionInitializer implements Closeable {
}
return null;
}
public Function<Publisher<?>, Publisher<?>> getFunction() {
return function;
}
public FunctionCatalog getCatalog() {
return catalog;
}
public FunctionInspector getInspector() {
return inspector;
}
}