NexconnChatSDK/ai.nexconn.chat.channel/SystemChannel

SystemChannel

public final class SystemChannel extends BaseChannel

System channel.

Used for system notifications, announcements, and similar scenarios. System channels are created and managed server-side; the client can only receive messages, not actively send them.

Inherits from BaseChannel and supports message querying and unread count management.

Constructors

SystemChannel

public SystemChannel SystemChannel(String channelId)

Inherited properties

channelId

private final String channelId

Channel unique identifier

channelType

private final ChannelType channelType

Channel type

draft

private final String draft

Text message draft content for this channel.

editedMessageDraft

private final EditedMessageDraft editedMessageDraft

Draft info for an edited message.

includeRobot

private final Boolean includeRobot

Whether this channel contains a robot/bot user.

isPinned

private final Boolean isPinned

Whether this channel is pinned to the top.

latestMessage

private final Message latestMessage

The latest message in this channel.

mentionedCount

private final Integer mentionedCount

Unread count of mentioned messages (including @all).

mentionedMeCount

private final Integer mentionedMeCount

Unread count of messages that specifically mention the current user.

noDisturbLevel

private final ChannelNoDisturbLevel noDisturbLevel

Channel message push notification level.

operationTime

private final Long operationTime

Channel operation timestamp in milliseconds.

translateStrategy

private final TranslateStrategy translateStrategy

Channel translation strategy.

unreadCount

private final Integer unreadCount

Unread message count.

Inherited functions

clearDraft

public final Unit clearDraft(OperationHandler<Boolean> handler)

Clears the text message draft for this channel.

clearUnreadCount

public Unit clearUnreadCount(OperationHandler<Boolean> handler)

Clears the unread message count for this channel.

delete

public final Unit delete(OperationHandler<Boolean> handler)

Deletes this channel locally.

deleteLocalMessages

public final Unit deleteLocalMessages(List<String> messageClientIds, OperationHandler<Boolean> handler)

Deletes local messages by their client IDs.

deleteMessageForAll

public final Unit deleteMessageForAll(Message message, OperationHandler<Message> handler)

Deletes a message for all users (recall).

deleteMessagesForMe

public final Unit deleteMessagesForMe(List<Message> messages, ErrorHandler handler)

Deletes messages locally (for the current user only).

deleteMessagesForMeByTimestamp

public Unit deleteMessagesForMeByTimestamp(DeleteMessagesForMeByTimestampParams params, ErrorHandler handler)

Deletes messages before the specified timestamp (for the current user).

deleteTags

public final Unit deleteTags(List<String> tagIds, ErrorHandler handler)

Removes tags from this channel.

equals

public Boolean equals(Object other)

getChannelId

public final String getChannelId()

Channel unique identifier

getChannelType

public final ChannelType getChannelType()

Channel type

getDraft

public final String getDraft()

Text message draft content for this channel.

getEditedMessageDraft

public final EditedMessageDraft getEditedMessageDraft()

Draft info for an edited message.

getFirstUnreadMessage

public final Unit getFirstUnreadMessage(OperationHandler<Message> handler)

Gets the first unread message in this channel.

getIncludeRobot

public final Boolean getIncludeRobot()

Whether this channel contains a robot/bot user.

getLatestMessage

public final Message getLatestMessage()

The latest message in this channel.

getMentionedCount

public final Integer getMentionedCount()

Unread count of mentioned messages (including @all).

getMentionedMeCount

public final Integer getMentionedMeCount()

Unread count of messages that specifically mention the current user.

getMessageReadReceiptInfo

public final Unit getMessageReadReceiptInfo(List<String> messageIds, OperationHandler<List<ReadReceiptInfo>> handler)

Gets read receipt info for the specified messages.

getMessagesAroundTime

public final Unit getMessagesAroundTime(GetMessagesAroundTimeParams params, OperationHandler<List<Message>> handler)

Gets messages around a given sent timestamp.

getMessagesReadReceiptByUsers

public final Unit getMessagesReadReceiptByUsers(GetMessagesReadReceiptByUsersParams params, OperationHandler<ReadReceiptUsersResult> handler)

Gets read receipt details grouped by users.

getNoDisturbLevel

public final ChannelNoDisturbLevel getNoDisturbLevel()

Channel message push notification level.

getOperationTime

public final Long getOperationTime()

Channel operation timestamp in milliseconds.

getTags

public final Unit getTags(OperationHandler<List<ChannelTagInfo>> handler)

Gets all tags associated with this channel.

getTranslateStrategy

public final TranslateStrategy getTranslateStrategy()

Channel translation strategy.

getUnreadCount

public final Integer getUnreadCount()

Unread message count.

getUnreadMentionedMessages

public Unit getUnreadMentionedMessages(OperationHandler<List<Message>> handler)

Gets unread mentioned messages in this channel.

hashCode

public Integer hashCode()

insertMessages

public final Unit insertMessages(List<InsertMessageItem> params, OperationHandler<Boolean> handler)

Batch inserts messages into the local database.

isPinned

public final Boolean isPinned()

Whether this channel is pinned to the top.

modifyMessage

public final Unit modifyMessage(ModifyMessageParams params, OperationHandler<Message> handler)

Modifies a sent message.

public Unit pin(PinParams params, OperationHandler<Boolean> handler)

Pins this channel to the top of the channel list.

reload

public final Unit reload(OperationHandler<BaseChannel> handler)

Reloads channel data from the local database.

saveDraft

public final Unit saveDraft(String draft, OperationHandler<Boolean> handler)

Saves a text message draft for this channel.

sendMediaMessage

public final Unit sendMediaMessage(SendMediaMessageParams params, SendMediaMessageHandler handler)

Sends a media message in this channel (e.g., image, video, file).

sendMessage

public final Unit sendMessage(SendMessageParams params, SendMessageHandler handler)

Sends a non-media message in this channel (e.g., text, location).

sendReadReceiptResponse

public final Unit sendReadReceiptResponse(List<String> messageIds, ErrorHandler handler)

Sends a read receipt response for the specified messages.

setNoDisturbLevel

public final Unit setNoDisturbLevel(ChannelNoDisturbLevel level, ErrorHandler handler)

Sets the notification (do-not-disturb) level for this channel.

toString

public String toString()

unpin

public Unit unpin(OperationHandler<Boolean> handler)

Unpins this channel from the top of the channel list.