Package com.github.twitch4j.chat

Class TwitchChatConnectionPool

java.lang.Object

com.github.twitch4j.common.pool.AbstractConnectionPool<C>

com.github.twitch4j.common.pool.SubscriptionConnectionPool<C,X,Y,Z>

com.github.twitch4j.common.pool.TwitchModuleConnectionPool<TwitchChat,String,String,Boolean,TwitchChatBuilder>

com.github.twitch4j.chat.TwitchChatConnectionPool

All Implemented Interfaces:

ITwitchChat, TransactionalSubscriber<String,String,Boolean>, AutoCloseable

public class TwitchChatConnectionPool
extends TwitchModuleConnectionPool<TwitchChat,String,String,Boolean,TwitchChatBuilder>
implements ITwitchChat

A pool for TwitchChat connections.

This pool is easiest to use for:

• Reading from many channels without an account
• Reading from many channels with an account
• Reading from many channels using valid proxies
• Reading and sending messages/whispers with only one account

Other applications are possible, but harder to configure. See below for a list of warnings.

Warning: If a custom ScheduledThreadPoolExecutor is specified, its corePoolSize must be large enough for the threads required by connections made by this class.

Warning: If a chatAccount is to be shared across multiple connections and used to send messages, one should use advancedConfiguration to ensure the two are using a shared Bucket.

Note: If whispers are to be sent using this pool, one must manually join the channel to send the whisper from first. If chatAccount's are dynamically supplied such that no two connections are using the same account, one can set twitchChatBuilder.withAutoJoinOwnChannel(true) via advancedConfiguration to avoid the manual join.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<C extends TwitchChatConnectionPool,B extends TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<C,B>>

Nested classes/interfaces inherited from class com.github.twitch4j.common.pool.TwitchModuleConnectionPool

TwitchModuleConnectionPool.TwitchModuleConnectionPoolBuilder<C extends Object,X extends Object,Y extends Object,Z extends Object,B extends Object,C2 extends TwitchModuleConnectionPool<C,X,Y,Z,B>,B2 extends TwitchModuleConnectionPool.TwitchModuleConnectionPoolBuilder<C,X,Y,Z,B,C2,B2>>

Nested classes/interfaces inherited from class com.github.twitch4j.common.pool.SubscriptionConnectionPool

SubscriptionConnectionPool.SubscriptionConnectionPoolBuilder<C extends Object,S extends Object,T extends Object,U extends Object,C2 extends SubscriptionConnectionPool<C,S,T,U>,B extends SubscriptionConnectionPool.SubscriptionConnectionPoolBuilder<C,S,T,U,C2,B>>

Nested classes/interfaces inherited from class com.github.twitch4j.common.pool.AbstractConnectionPool

AbstractConnectionPool.AbstractConnectionPoolBuilder<C extends Object,C2 extends AbstractConnectionPool<C>,B extends AbstractConnectionPool.AbstractConnectionPoolBuilder<C,C2,B>>

Field Summary

Fields

Modifier and Type	Field	Description
protected Bandwidth	authRateLimit	Custom RateLimit for AUTH
protected final boolean	automaticallyPartOnBan	Deprecated. use removeChannelOnJoinFailure via advancedConfiguration instead.
protected final @NonNull Supplier<OAuth2Credential>	chatAccount	Provides a chat account to be used when constructing a new TwitchChat instance.
protected Bandwidth	chatRateLimit	Custom RateLimit for ChatMessages
protected Bandwidth	joinRateLimit	Custom RateLimit for JOIN/PART
protected Bandwidth	perChannelRateLimit	Custom RateLimit for Messages per Channel
protected Bandwidth[]	whisperRateLimit	Custom RateLimit for Whispers

Fields inherited from class com.github.twitch4j.common.pool.TwitchModuleConnectionPool

advancedConfiguration, executor, proxyConfig

Fields inherited from class com.github.twitch4j.common.pool.SubscriptionConnectionPool

closed, disposeUnusedConnections, maxSubscriptionsPerConnection, saturatedConnections, subscriptions, unsaturatedConnections

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TwitchChatConnectionPool(TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<?,?> b)

Method Summary

Modifier and Type	Method	Description
static TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<?,?>	builder()
protected TwitchChat	createConnection()
protected void	disposeConnection(TwitchChat connection)
Map<String,String>	getChannelIdToChannelName()	Note: this map does not dynamically update unlike TwitchChat.getChannelIdToChannelName()
Map<String,String>	getChannelNameToChannelId()	Note: this map does not dynamically update unlike TwitchChat.getChannelNameToChannelId()
Set<String>	getChannels()	Returns a set of all currently joined channels (without # prefix)
long	getLatency()
protected String	getRequestFromSubscription(String s)
protected int	getSubscriptionSize(String s)
protected String	handleDuplicateSubscription(TwitchChat twitchChat, TwitchChat old, String s)
protected String	handleSubscription(TwitchChat twitchChat, String s)
protected Boolean	handleUnsubscription(TwitchChat twitchChat, String s)
boolean	isChannelJoined(String channelName)	Check if Chat is currently in a channel
void	joinChannel(String channelName)	Joins a channel
boolean	leaveChannel(String channelName)	Parts from a channel
boolean	sendMessage(String channel, String message, @Nullable Map<String,Object> tags)	Sends a message to the channel while including the specified message tags.
boolean	sendMessage(String channelToIdentifyChatInstance, String targetChannel, String message)	Sends a message from the TwitchChat identified either to a channel or directly on the socket.
boolean	sendMessage(String channelToIdentifyChatInstance, String targetChannel, String message, @Nullable Map<String,Object> tags)	Sends a message from the identified TwitchChat instance with the specified tags.
boolean	sendMessage(String channelToIdentifyChatInstance, String targetChannel, String message, String nonce, String replyMsgId)	Sends a message from the identified TwitchChat instance with an optional nonce or reply parent.
boolean	sendPrivateMessage(String channelToIdentifyChatInstance, String toChannel, String message)	Deprecated. Twitch will decommission this method on February 18, 2023; migrate to TwitchHelix#updateChatSettings
String	subscribe(String s)	Joins a channel.
Boolean	unsubscribe(String s)	Parts from a channel.

Methods inherited from class com.github.twitch4j.common.pool.TwitchModuleConnectionPool

getConnectionEventManager, getDefaultConnectionEventManager, getEventManager, getExecutor

Methods inherited from class com.github.twitch4j.common.pool.SubscriptionConnectionPool

close, getConnections, numConnections, numSubscriptions

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.github.twitch4j.chat.ITwitchChat

ban, clearChat, close, delete, getEventManager, sendActionMessage, sendAnnouncement, sendMessage, sendMessage, setEmoteOnly, setFollowersOnly, setSlowMode, setSubscribersOnly, setUniqueChat, timeout, unban

Field Details

chatAccount

@NonNull
protected final @NonNull Supplier<OAuth2Credential> chatAccount

Provides a chat account to be used when constructing a new TwitchChat instance. By default, this yields null, which corresponds to an anonymous connection.

automaticallyPartOnBan

@Deprecated
protected final boolean automaticallyPartOnBan

Deprecated.

use removeChannelOnJoinFailure via advancedConfiguration instead.

Whether chat connections should automatically part from channels they have been banned from. This is useful for reclaiming subscription headroom so a minimal number of chat instances are running. By default false so that a chat instance can (eventually) reconnect if a unban occurs.

chatRateLimit

protected Bandwidth chatRateLimit

Custom RateLimit for ChatMessages

whisperRateLimit

protected Bandwidth[] whisperRateLimit

Custom RateLimit for Whispers

joinRateLimit

protected Bandwidth joinRateLimit

Custom RateLimit for JOIN/PART

authRateLimit

protected Bandwidth authRateLimit

Custom RateLimit for AUTH

perChannelRateLimit

protected Bandwidth perChannelRateLimit

Custom RateLimit for Messages per Channel

For example, this can restrict messages per channel at 100/30 (for a verified bot that has a global 7500/30 message limit).

Constructor Details

TwitchChatConnectionPool

protected TwitchChatConnectionPool(TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<?,?> b)

Method Details

sendMessage

public boolean sendMessage(String channel,
 String message,
 @Nullable
 @Nullable Map<String,Object> tags)

Description copied from interface: ITwitchChat

Sends a message to the channel while including the specified message tags.

Specified by:

sendMessage in interface ITwitchChat

Parameters:

channel - the name of the channel to send the message to.

message - the message to be sent.

tags - the message tags.

Returns:

whether the message was added to the queue

sendMessage

public boolean sendMessage(String channelToIdentifyChatInstance,
 String targetChannel,
 String message)

Sends a message from the TwitchChat identified either to a channel or directly on the socket.

Parameters:

channelToIdentifyChatInstance - the channel used to identify which TwitchChat instance should be used to send the message; the instance must be subscribed to this channel.

targetChannel - the channel to send the message to, if not null (otherwise it is sent directly on the socket).

message - the message to be sent.

Returns:

whether a TwitchChat instance was found and used to send the message

sendMessage

public boolean sendMessage(String channelToIdentifyChatInstance,
 String targetChannel,
 String message,
 @Unofficial
 String nonce,
 String replyMsgId)

Sends a message from the identified TwitchChat instance with an optional nonce or reply parent.

Parameters:

channelToIdentifyChatInstance - the channel used to identify which TwitchChat instance should be used to send the message; the instance must be subscribed to this channel.

targetChannel - the channel to send the message to, if not null (otherwise it is sent directly on the socket).

message - the message to be sent.

nonce - the cryptographic nonce (optional).

replyMsgId - the msgId of the parent message being replied to (optional).

Returns:

whether a TwitchChat instance was found and used to send the message

sendMessage

public boolean sendMessage(String channelToIdentifyChatInstance,
 String targetChannel,
 String message,
 @Nullable
 @Nullable Map<String,Object> tags)

Sends a message from the identified TwitchChat instance with the specified tags.

Parameters:

channelToIdentifyChatInstance - the channel used to identify which TwitchChat instance should be used to send the message; the instance must be subscribed to this channel.

targetChannel - the channel to send the message to, if not null (otherwise it is sent directly on the socket).

message - the message to be sent.

tags - the message tags.

Returns:

whether a TwitchChat instance was found and used to send the message

sendPrivateMessage

@Deprecated
public boolean sendPrivateMessage(String channelToIdentifyChatInstance,
 String toChannel,
 String message)

Deprecated.

Twitch will decommission this method on February 18, 2023; migrate to TwitchHelix#updateChatSettings

Sends a whisper.

Parameters:

channelToIdentifyChatInstance - the channel used to identify which TwitchChat instance should be used to send the message; the instance must be subscribed to this channel.

toChannel - the channel to send the whisper to.

message - the message to send in the whisper.

Returns:

whether a TwitchChat instance was identified to send the message from.

Throws:

NullPointerException - if the identified TwitchChat does not have a valid chatCredential

subscribe

public String subscribe(String s)

Joins a channel.

Specified by:

subscribe in interface TransactionalSubscriber<String,String,Boolean>

Overrides:

subscribe in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

Parameters:

s - the channel name

Returns:

the channel name

joinChannel

public void joinChannel(String channelName)

Description copied from interface: ITwitchChat

Joins a channel

Specified by:

joinChannel in interface ITwitchChat

Parameters:

channelName - The target channel name.

unsubscribe

public Boolean unsubscribe(String s)

Parts from a channel.

Specified by:

unsubscribe in interface TransactionalSubscriber<String,String,Boolean>

Overrides:

unsubscribe in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

Parameters:

s - the channel name

Returns:

a non-null class if able to part, null otherwise

leaveChannel

public boolean leaveChannel(String channelName)

Description copied from interface: ITwitchChat

Parts from a channel

Specified by:

leaveChannel in interface ITwitchChat

Parameters:

channelName - The target channel name.

Returns:

whether the channel was previously joined

isChannelJoined

public boolean isChannelJoined(String channelName)

Description copied from interface: ITwitchChat

Check if Chat is currently in a channel

Specified by:

isChannelJoined in interface ITwitchChat

Parameters:

channelName - channel to check (without # prefix)

Returns:

boolean

getChannels

public Set<String> getChannels()

Description copied from interface: ITwitchChat

Returns a set of all currently joined channels (without # prefix)

Specified by:

getChannels in interface ITwitchChat

Returns:

a set of channel names

handleSubscription

protected String handleSubscription(TwitchChat twitchChat,
 String s)

Specified by:

handleSubscription in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

handleDuplicateSubscription

protected String handleDuplicateSubscription(TwitchChat twitchChat,
 TwitchChat old,
 String s)

Specified by:

handleDuplicateSubscription in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

handleUnsubscription

protected Boolean handleUnsubscription(TwitchChat twitchChat,
 String s)

Specified by:

handleUnsubscription in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

getRequestFromSubscription

protected String getRequestFromSubscription(String s)

Specified by:

getRequestFromSubscription in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

getSubscriptionSize

protected int getSubscriptionSize(String s)

Specified by:

getSubscriptionSize in class SubscriptionConnectionPool<TwitchChat,String,String,Boolean>

createConnection

protected TwitchChat createConnection()

Specified by:

createConnection in class AbstractConnectionPool<TwitchChat>

disposeConnection

protected void disposeConnection(TwitchChat connection)

Specified by:

disposeConnection in class AbstractConnectionPool<TwitchChat>

getLatency

public long getLatency()

Specified by:

getLatency in interface ITwitchChat

Returns:

the most recently measured round-trip latency for the socket(s) in milliseconds, or -1 if unknown

getChannelIdToChannelName

public Map<String,String> getChannelIdToChannelName()

Note: this map does not dynamically update unlike TwitchChat.getChannelIdToChannelName()

Specified by:

getChannelIdToChannelName in interface ITwitchChat

Returns:

cached mappings of channel ids to names

getChannelNameToChannelId

public Map<String,String> getChannelNameToChannelId()

Note: this map does not dynamically update unlike TwitchChat.getChannelNameToChannelId()

Specified by:

getChannelNameToChannelId in interface ITwitchChat

Returns:

cached mappings of channel names to ids

builder

public static TwitchChatConnectionPool.TwitchChatConnectionPoolBuilder<?,?> builder()