SubscriptionListener (db-client-java 4.1.0 API)

java.lang.Object
- com.eventstore.dbclient.SubscriptionListener

```
public abstract class SubscriptionListener
extends java.lang.Object
```
Listener used to handle catch-up subscription notifications raised throughout its lifecycle.

Constructor Summary

Constructors
Constructor Description

SubscriptionListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`onCancelled(Subscription subscription)`	Called when the subscription is cancelled or dropped.
`void`	`onConfirmation(Subscription subscription)`
`void`	`onError(Subscription subscription, java.lang.Throwable throwable)`	Called when an exception was raised when processing an event.
`void`	`onEvent(Subscription subscription, ResolvedEvent event)`	Called when EventStoreDB sends an event to the subscription.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SubscriptionListener
```
public SubscriptionListener()
```
- Method Detail
  - onEvent
```
public void onEvent(Subscription subscription,
                    ResolvedEvent event)
```
    Called when EventStoreDB sends an event to the subscription.
    
    Parameters:
    
    subscription - handle to the subscription.
    
    event - a resolved event.
  - onError
```
public void onError(Subscription subscription,
                    java.lang.Throwable throwable)
```
    Called when an exception was raised when processing an event.
    
    Parameters:
    
    subscription - handle to the subscription.
    
    throwable - an exception.
  - onCancelled
```
public void onCancelled(Subscription subscription)
```
    Called when the subscription is cancelled or dropped.
    
    Parameters:
    
    subscription - handle to the subscription.
  - onConfirmation
```
public void onConfirmation(Subscription subscription)
```