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GH-461 Add to register more than one functional class

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Similar to the way we allow multiple functions to be listed with 'definition' property, this enhancement allows several functional classes to be deployed

Resolves #461
This commit is contained in:
Oleg Zhurakousky
2020-03-23 14:51:56 +01:00
parent 85000ee084
commit 9434a68bd2
5 changed files with 51 additions and 11 deletions
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20
spring-cloud-function-deployer/src/main/java/org/springframework/cloud/function/deployer/FunctionArchiveDeployer.java
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@@ -93,11 +93,13 @@ class FunctionArchiveDeployer extends JarLauncher {
}
}
String functionClassName = discoverFunctionClassName(functionProperties);
if (!StringUtils.isEmpty(functionClassName)) {
FunctionRegistration registration = this.discovereAndLoadFunctionFromClassName(functionClassName);
if (registration != null) {
functionRegistry.register(registration);
String[] functionClassNames = discoverFunctionClassName(functionProperties);
for (String functionClassName : functionClassNames) {
if (!StringUtils.isEmpty(functionClassName)) {
FunctionRegistration registration = this.discovereAndLoadFunctionFromClassName(functionClassName);
if (registration != null) {
functionRegistry.register(registration);
}
}
}
}
@@ -169,11 +171,11 @@ class FunctionArchiveDeployer extends JarLauncher {
private String discoverFunctionClassName(FunctionDeployerProperties functionProperties) {
private String[] discoverFunctionClassName(FunctionDeployerProperties functionProperties) {
try {
return StringUtils.hasText(functionProperties.getFunctionClass())
? functionProperties.getFunctionClass()
: this.getArchive().getManifest().getMainAttributes().getValue("Function-Class");
? functionProperties.getFunctionClass().split(";")
: new String[] {this.getArchive().getManifest().getMainAttributes().getValue("Function-Class")};
}
catch (Exception e) {
throw new IllegalStateException("Failed to discover function class name", e);
@@ -241,7 +243,7 @@ class FunctionArchiveDeployer extends JarLauncher {
Class<?> bootAppClass = Thread.currentThread().getContextClassLoader()
.loadClass(SpringApplication.class.getName());
Method runMethod = bootAppClass.getDeclaredMethod("run", Class.class, String[].class);
Object applicationContext = runMethod.invoke(null, mainClass, (Object) args);
Object applicationContext = runMethod.invoke(null, mainClass, args);
if (logger.isInfoEnabled()) {
logger.info("Application context for archive '" + this.getArchive().getUrl() + "' is created.");
}