private void notifyListenerOfStateChanged(final ConnectionState newState) {
listeners.forEach(
new Function<SharedValueListener, Void>() {
@Override
public Void apply(SharedValueListener listener) {
listener.stateChanged(client, newState);
return null;
}
});
}
@Override
public void close() {
log.debug("Closing");
if (state.compareAndSet(CuratorFrameworkState.STARTED, CuratorFrameworkState.STOPPED)) {
listeners.forEach(
new Function<CuratorListener, Void>() {
@Override
public Void apply(CuratorListener listener) {
CuratorEvent event =
new CuratorEventImpl(
CuratorFrameworkImpl.this,
CuratorEventType.CLOSING,
0,
null,
null,
null,
null,
null,
null,
null,
null);
try {
listener.eventReceived(CuratorFrameworkImpl.this, event);
} catch (Exception e) {
log.error("Exception while sending Closing event", e);
}
return null;
}
});
listeners.clear();
unhandledErrorListeners.clear();
connectionStateManager.close();
client.close();
namespaceWatcherMap.close();
executorService.shutdownNow();
}
}
private void notifyListeners() {
listeners.forEach(
new Function<SharedValueListener, Void>() {
@Override
public Void apply(SharedValueListener listener) {
try {
listener.valueHasChanged(SharedValue.this, value);
} catch (Exception e) {
log.error("From SharedValue listener", e);
}
return null;
}
});
}
private void processEvent(final CuratorEvent curatorEvent) {
validateConnection(curatorEvent);
listeners.forEach(
new Function<CuratorListener, Void>() {
@Override
public Void apply(CuratorListener listener) {
try {
TimeTrace trace = client.startTracer("EventListener");
listener.eventReceived(CuratorFrameworkImpl.this, curatorEvent);
trace.commit();
} catch (Exception e) {
logError("Event listener threw exception", e);
}
return null;
}
});
}
void logError(String reason, final Throwable e) {
if ((reason == null) || (reason.length() == 0)) {
reason = "n/a";
}
if (!Boolean.getBoolean(DebugUtils.PROPERTY_DONT_LOG_CONNECTION_ISSUES)
|| !(e instanceof KeeperException)) {
log.error(reason, e);
}
if (e instanceof KeeperException.ConnectionLossException) {
connectionStateManager.addStateChange(ConnectionState.LOST);
}
final String localReason = reason;
unhandledErrorListeners.forEach(
new Function<UnhandledErrorListener, Void>() {
@Override
public Void apply(UnhandledErrorListener listener) {
listener.unhandledError(localReason, e);
return null;
}
});
}
@Override
public void close() throws IOException {
client.getConnectionStateListenable().removeListener(connectionStateListener);
state.set(State.CLOSED);
listeners.clear();
}