/**
* Uninstalls a single intent by Id.
*
* @param appId the Application ID
* @param keyString the Intent key value to look up
*/
@DELETE
@Path("{appId}/{key}")
public void deleteIntentById(
@PathParam("appId") String appId, @PathParam("key") String keyString) {
final ApplicationId app = get(CoreService.class).getAppId(appId);
Intent intent = get(IntentService.class).getIntent(Key.of(keyString, app));
IntentService service = get(IntentService.class);
if (intent == null) {
intent = service.getIntent(Key.of(Long.decode(keyString), app));
}
if (intent == null) {
// No such intent. REST standards recommend a positive status code
// in this case.
return;
}
Key key = intent.key();
// set up latch and listener to track uninstall progress
CountDownLatch latch = new CountDownLatch(1);
IntentListener listener = new DeleteListener(key, latch);
service.addListener(listener);
try {
// request the withdraw
service.withdraw(intent);
try {
latch.await(WITHDRAW_EVENT_TIMEOUT_SECONDS, TimeUnit.SECONDS);
} catch (InterruptedException e) {
log.info("REST Delete operation timed out waiting for intent {}", key);
}
// double check the state
IntentState state = service.getIntentState(key);
if (state == WITHDRAWN || state == FAILED) {
service.purge(intent);
}
} finally {
// clean up the listener
service.removeListener(listener);
}
}
@Override
protected void execute() {
IntentService intentService = get(IntentService.class);
CoreService coreService = get(CoreService.class);
ApplicationId appId = appId();
if (!isNullOrEmpty(applicationIdString)) {
appId = coreService.getAppId(applicationIdString);
if (appId == null) {
print("Cannot find application Id %s", applicationIdString);
return;
}
}
if (isNullOrEmpty(keyString)) {
for (Intent intent : intentService.getIntents()) {
if (intent.appId().equals(appId)) {
removeIntent(intentService, intent);
}
}
} else {
final Key key;
if (keyString.startsWith("0x")) {
// The intent uses a LongKey
keyString = keyString.replaceFirst("0x", "");
key = Key.of(new BigInteger(keyString, 16).longValue(), appId);
} else {
// The intent uses a StringKey
key = Key.of(keyString, appId);
}
Intent intent = intentService.getIntent(key);
if (intent != null) {
removeIntent(intentService, intent);
}
}
}