Overriding Hystrix command properties specified in .properties file - hystrix

Question

I need to override command timeout property specified in my application.properties file. Here is what I tried
#Test
public void testTokenQueryTimeout() throws Exception
{
String propertyToSet ="hystrix.command.quickbaseTokenQueryCommand.execution.isolation.thread.timeoutInMilliseconds";
String prop="";
try {
prop = ConfigurationManager.getConfigInstance().getProperty(
propertyToSet).toString();
logger.info("\n\n\noriginal quickbaseTokenQueryCommand timeout ="+prop);
System.setProperty(
propertyToSet,"10");
prop = ConfigurationManager.getConfigInstance().getProperty(
propertyToSet).toString();
logger.info("\n\n\nupdated quickbaseTokenQueryCommand timeout ="+prop);
String response = accountValidation.isValidToken(token);
logger.info(response);
Assert.assertFalse(true);
}
catch (AccountValidationServiceException e)
{
Assert.assertTrue(Constants.ERRCODE_TOKEN_QUERY_TIMED_OUT.equals(e.getErrorCode()));
}
finally {
ConfigurationManager.getConfigInstance().clearProperty(propertyToSet);
System.clearProperty(propertyToSet);
if(!GeneralUtil.isObjectEmpty(System.getProperty(
propertyToSet)))prop = System.getProperty(
propertyToSet);
logger.info("Updated testTokenQueryTimeout timeout ="+prop);
}
}
Notice, System.setProperty(propertyToSet,"10"). With this approach this test case passes i.e. the property gets changed and command times out but another test case fails due to this command timeout though I am clearing the property from System.
I also tried setting the property using ConfigurationManager.getConfigInstance().setProperty(
propertyToSet).toString(),"10"); But in that case, this change of property has no effect and command does not timeout.
Is there something I am missing here.
Please help.

Answer 1

Try using the ConcurrentCompositeConfiguration class
application.properties
hystrix.command.HelloWorldCommand.execution.isolation.thread.timeoutInMilliseconds=200
Command
public class HelloWorldCommand extends HystrixCommand<String> {
public HelloWorldCommand() {
super(HystrixCommandGroupKey.Factory.asKey("HelloWorldGroup"));
}
#Override
protected String run() throws Exception {
TimeUnit.MILLISECONDS.sleep(1100);
return "Hello";
}
}
Test
public class HelloWorldCommandTest {
#Test
public void commandConfigTest() {
String propertyKey = "hystrix.command.HelloWorldCommand.execution.isolation.thread.timeoutInMilliseconds";
ConcurrentCompositeConfiguration config = (ConcurrentCompositeConfiguration) ConfigurationManager.getConfigInstance();
Integer originalTimeout = (Integer) config.getProperty(propertyKey);
config.setOverrideProperty(propertyKey, 1200);
String result = new HelloWorldCommand().execute();
assertThat(result, is("Hello"));
config.setOverrideProperty(propertyKey, originalTimeout);
Integer timeoutValue = (Integer) config.getProperty(propertyKey);
assertThat(timeoutValue, is(originalTimeout));
}
}