@Test
public void testIdempotent() throws Exception {
String uri = "file:target/test-classes/idempotent?idempotent=true&delay=10";
context
.getRouteDefinitions()
.get(1)
.adviceWith(
context,
new AdviceWithRouteBuilder() {
@Override
public void configure() throws Exception {
replaceFromWith(uri);
weaveByType(ToDefinition.class).selectFirst().replace().to("mock:endpoint");
}
});
MockEndpoint end = context.getEndpoint("mock:endpoint", MockEndpoint.class);
end.expectedMessageCount(1);
producer.sendBodyAndHeader(
"file://target/test-classes/idempotent", Exchange.FILE_NAME, "FCOO1.nc");
end.assertIsSatisfied();
String fileName =
(String) end.getReceivedExchanges().get(0).getIn().getHeader(Exchange.FILE_NAME_ONLY);
assertEquals(fileName, "FCOO1.nc");
// reset the mock
end.reset();
end.expectedMessageCount(0);
// move file back
File file = new File("target/test-classes/idempotent/.camel/FCOO1.nc");
File renamed = new File("target/test-classes/idempotent/FCOO1.nc");
file.renameTo(renamed);
producer.sendBodyAndHeader(
"file://target/test-classes/idempotent", Exchange.FILE_NAME, "FCOO1.nc");
// let some time pass to let the consumer try to consume even though it cannot
Thread.sleep(100);
end.assertIsSatisfied();
FileEndpoint fe = context.getEndpoint(uri, FileEndpoint.class);
assertNotNull(fe);
// Make sure that there are no incoming messages
MemoryIdempotentRepository repo = (MemoryIdempotentRepository) fe.getInProgressRepository();
assertEquals("Should be no in-progress files", 0, repo.getCacheSize());
}
@Override
public RemoteFileConsumer<T> createConsumer(Processor processor) throws Exception {
afterPropertiesSet();
RemoteFileConsumer<T> consumer = buildConsumer(processor);
if (isDelete() && getMove() != null) {
throw new IllegalArgumentException("You cannot both set delete=true and move options");
}
// if noop=true then idempotent should also be configured
if (isNoop() && !isIdempotentSet()) {
log.info(
"Endpoint is configured with noop=true so forcing endpoint to be idempotent as well");
setIdempotent(true);
}
// if idempotent and no repository set then create a default one
if (isIdempotentSet() && isIdempotent() && idempotentRepository == null) {
log.info(
"Using default memory based idempotent repository with cache max size: "
+ DEFAULT_IDEMPOTENT_CACHE_SIZE);
idempotentRepository =
MemoryIdempotentRepository.memoryIdempotentRepository(DEFAULT_IDEMPOTENT_CACHE_SIZE);
}
if (!getConfiguration().isUseList() && getFileName() == null) {
throw new IllegalArgumentException(
"Endpoint is configured with useList=false, then fileName must be configured also");
}
// set max messages per poll
consumer.setMaxMessagesPerPoll(getMaxMessagesPerPoll());
consumer.setEagerLimitMaxMessagesPerPoll(isEagerMaxMessagesPerPoll());
configureConsumer(consumer);
return consumer;
}
private MyIdempotentRepo() {
delegate = MemoryIdempotentRepository.memoryIdempotentRepository(200);
}