BaseChatEventHandler

All Implemented Interfaces:

io.getstream.chat.android.offline.event.handler.chat.ChatEventHandler
```
public abstract class BaseChatEventHandler
 implements ChatEventHandler
                    
```
Basic implementation of ChatEventHandler. It handles following channel events: NotificationAddedToChannelEvent, MemberAddedEvent, NotificationRemovedFromChannelEvent, MemberRemovedEvent, ChannelUpdatedByUserEvent, ChannelUpdatedEvent, NotificationMessageNewEvent.

Constructor Summary

Constructors
Constructor	Description
`BaseChatEventHandler()`

Method Summary

Modifier and Type	Method	Description
`abstract EventHandlingResult`	`handleNotificationAddedToChannelEvent(NotificationAddedToChannelEvent event, FilterObject filter)`	Handles NotificationAddedToChannelEvent event.
`EventHandlingResult`	`handleMemberAddedEvent(MemberAddedEvent event, FilterObject filter, Channel cachedChannel)`	Handles MemberAddedEvent event.
`EventHandlingResult`	`handleMemberRemovedEvent(MemberRemovedEvent event, FilterObject filter, Channel cachedChannel)`	Handles MemberRemovedEvent event.
`abstract EventHandlingResult`	`handleChannelUpdatedByUserEvent(ChannelUpdatedByUserEvent event, FilterObject filter)`	Handles ChannelUpdatedByUserEvent event.
`abstract EventHandlingResult`	`handleChannelUpdatedEvent(ChannelUpdatedEvent event, FilterObject filter)`	Handles ChannelUpdatedEvent event.
`EventHandlingResult`	`handleChannelVisibleEvent(ChannelVisibleEvent event, FilterObject filter)`	Handles ChannelVisibleEvent event.
`EventHandlingResult`	`handleNotificationMessageNewEvent(NotificationMessageNewEvent event, FilterObject filter)`	Handles NotificationMessageNewEvent event.
`EventHandlingResult`	`handleNotificationRemovedFromChannelEvent(NotificationRemovedFromChannelEvent event, FilterObject filter)`	Handles NotificationRemovedFromChannelEvent event.
`EventHandlingResult`	`handleChannelEvent(HasChannel event, FilterObject filter)`
`EventHandlingResult`	`handleCidEvent(CidEvent event, FilterObject filter, Channel cachedChannel)`
`EventHandlingResult`	`handleChatEvent(ChatEvent event, FilterObject filter, Channel cachedChannel)`	Function that computes result of handling event.

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

Constructor Detail
- BaseChatEventHandler
```
BaseChatEventHandler()
```

Method Detail

handleNotificationAddedToChannelEvent

 abstract EventHandlingResult handleNotificationAddedToChannelEvent(NotificationAddedToChannelEvent event, FilterObject filter)

Handles NotificationAddedToChannelEvent event. It runs in background.

handleMemberAddedEvent

 EventHandlingResult handleMemberAddedEvent(MemberAddedEvent event, FilterObject filter, Channel cachedChannel)

Handles MemberAddedEvent event. It runs in background.

handleMemberRemovedEvent

 EventHandlingResult handleMemberRemovedEvent(MemberRemovedEvent event, FilterObject filter, Channel cachedChannel)

Handles MemberRemovedEvent event. It runs in background.

handleChannelUpdatedByUserEvent

 abstract EventHandlingResult handleChannelUpdatedByUserEvent(ChannelUpdatedByUserEvent event, FilterObject filter)

Handles ChannelUpdatedByUserEvent event. It runs in background.

handleChannelUpdatedEvent

 abstract EventHandlingResult handleChannelUpdatedEvent(ChannelUpdatedEvent event, FilterObject filter)

Handles ChannelUpdatedEvent event. It runs in background.

handleChannelVisibleEvent
```
 EventHandlingResult handleChannelVisibleEvent(ChannelVisibleEvent event, FilterObject filter)
```
Handles ChannelVisibleEvent event. By default returns EventHandlingResult.WatchAndAdd.

Parameters:

event - ChannelVisibleEvent to handle.

filter - FilterObject for query channels collection.

handleNotificationMessageNewEvent

 EventHandlingResult handleNotificationMessageNewEvent(NotificationMessageNewEvent event, FilterObject filter)

Handles NotificationMessageNewEvent event. It runs in background.

handleNotificationRemovedFromChannelEvent

 EventHandlingResult handleNotificationRemovedFromChannelEvent(NotificationRemovedFromChannelEvent event, FilterObject filter)

Handles NotificationRemovedFromChannelEvent event. It runs in background.

handleChannelEvent

 EventHandlingResult handleChannelEvent(HasChannel event, FilterObject filter)

handleCidEvent

 EventHandlingResult handleCidEvent(CidEvent event, FilterObject filter, Channel cachedChannel)

handleChatEvent
```
 EventHandlingResult handleChatEvent(ChatEvent event, FilterObject filter, Channel cachedChannel)
```
Function that computes result of handling event. It runs in background.

Parameters:

event - ChatEvent that may contain updates for the set of channels.

filter - FilterObject that can be used to define result of handling.

cachedChannel - optional Channel object cached in database

Class BaseChatEventHandler