@Override
public void processModule(Module module, String group, int index) {
String type = module.getType();
if (("source".equals(type) || "processor".equals(type) || "sink".equals(type))
&& group != null) {
this.registerChannels(module.getComponents(MessageChannel.class), group, index);
this.configureProperties(module, group);
}
}
/**
* Processes a new {@link Trigger} being added. Currently, it supports adding {@link
* CronTrigger}s. The {@link Trigger} is added to the common {@link
* ConfigurableApplicationContext}.
*/
@Override
public void preProcessModule(Module module) {
if (!TRIGGER.equals(module.getType())) {
return;
}
Assert.notNull(
commonApplicationContext, "The 'commonApplicationContext' property must not be null.");
Map<String, Trigger> triggers = new HashMap<String, Trigger>();
if (module.getProperties().containsKey(TriggerType.cron.name())) {
Trigger trigger =
new CronTrigger(module.getProperties().getProperty(TriggerType.cron.name()));
triggers.put(TriggerType.cron.name(), trigger);
}
if (module.getProperties().containsKey(TriggerType.fixedDelay.name())) {
Trigger trigger =
new PeriodicTrigger(
Long.parseLong(module.getProperties().getProperty(TriggerType.fixedDelay.name())));
triggers.put(TriggerType.fixedDelay.name(), trigger);
}
if (module.getProperties().containsKey(TriggerType.fixedRate.name())) {
PeriodicTrigger trigger =
new PeriodicTrigger(
Long.parseLong(module.getProperties().getProperty(TriggerType.fixedRate.name())));
trigger.setFixedRate(true);
triggers.put(TriggerType.fixedRate.name(), trigger);
}
if (triggers.size() == 0) {
throw new ResourceDefinitionException(
"No valid trigger property. Expected one of: cron, fixedDelay or fixedRate");
} else if (triggers.size() > 1) {
throw new ResourceDefinitionException(
"Only one trigger property allowed, but received: "
+ StringUtils.collectionToCommaDelimitedString(triggers.keySet()));
}
commonApplicationContext
.getBeanFactory()
.registerSingleton(makeTriggerBeanName(module), triggers.values().iterator().next());
configureProperties(module);
}