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/*
* Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.jda.api.entities.channel.unions;
import net.dv8tion.jda.api.entities.channel.Channel;
import net.dv8tion.jda.api.entities.channel.ChannelType;
import net.dv8tion.jda.api.entities.channel.attribute.IThreadContainer;
import net.dv8tion.jda.api.entities.channel.concrete.*;
import net.dv8tion.jda.api.entities.channel.middleman.*;
import javax.annotation.Nonnull;
/**
* A union representing all channel types that implement {@link Channel}.
*
This class extends {@link Channel} and primarily acts as a discovery tool for
* developers to discover some common interfaces that a {@link Channel} could be cast to.
*
*
This interface represents the follow concrete channel types:
*
* - {@link PrivateChannel}
* - {@link TextChannel}
* - {@link NewsChannel}
* - {@link ThreadChannel}
* - {@link VoiceChannel}
* - {@link StageChannel}
* - {@link ForumChannel}
* - {@link MediaChannel}
* - {@link Category}
*
*/
public interface ChannelUnion extends Channel
{
/**
* Casts this union to a {@link PrivateChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* PrivateChannel channel = union.asPrivateChannel();
* PrivateChannel channel2 = (PrivateChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#PRIVATE} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof PrivateChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link PrivateChannel}.
*
* @return The channel as a {@link PrivateChannel}
*/
@Nonnull
PrivateChannel asPrivateChannel();
/**
* Casts this union to a {@link TextChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* TextChannel channel = union.asTextChannel();
* TextChannel channel2 = (TextChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#TEXT} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof TextChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link TextChannel}.
*
* @return The channel as a {@link TextChannel}
*/
@Nonnull
TextChannel asTextChannel();
/**
* Casts this union to a {@link NewsChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* NewsChannel channel = union.asNewsChannel();
* NewsChannel channel2 = (NewsChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#NEWS} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof NewsChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link NewsChannel}.
*
* @return The channel as a {@link NewsChannel}
*/
@Nonnull
NewsChannel asNewsChannel();
/**
* Casts this union to a {@link ThreadChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* ThreadChannel channel = union.asThreadChannel();
* ThreadChannel channel2 = (ThreadChannel) union;
*
*
* You can use {@link #getType()}{@link ChannelType#isThread() .isThread()} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof ThreadChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link ThreadChannel}.
*
* @return The channel as a {@link ThreadChannel}
*/
@Nonnull
ThreadChannel asThreadChannel();
/**
* Casts this union to a {@link VoiceChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* VoiceChannel channel = union.asVoiceChannel();
* VoiceChannel channel2 = (VoiceChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#VOICE} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof VoiceChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link VoiceChannel}.
*
* @return The channel as a {@link VoiceChannel}
*/
@Nonnull
VoiceChannel asVoiceChannel();
/**
* Casts this union to a {@link StageChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* StageChannel channel = union.asStageChannel();
* StageChannel channel2 = (StageChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#STAGE} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof StageChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link StageChannel}.
*
* @return The channel as a {@link StageChannel}
*/
@Nonnull
StageChannel asStageChannel();
/**
* Casts this union to a {@link ForumChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* ForumChannel channel = union.asForumChannel();
* ForumChannel channel2 = (ForumChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#FORUM} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof ForumChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link ForumChannel}.
*
* @return The channel as a {@link ForumChannel}
*/
@Nonnull
ForumChannel asForumChannel();
/**
* Casts this union to a {@link MediaChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* MediaChannel channel = union.asMediaChannel();
* MediaChannel channel2 = (MediaChannel) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#MEDIA} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof MediaChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link MediaChannel}.
*
* @return The channel as a {@link MediaChannel}
*/
@Nonnull
MediaChannel asMediaChannel();
/**
* Casts this union to a {@link Category}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* Category channel = union.asCategory();
* Category channel2 = (Category) union;
*
*
* You can use {@link #getType()} to see if the channel is of type {@link ChannelType#CATEGORY} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof Category
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link Category}.
*
* @return The channel as a {@link Category}
*/
@Nonnull
Category asCategory();
/**
* Casts this union to a {@link MessageChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* MessageChannel channel = union.asMessageChannel();
* MessageChannel channel2 = (MessageChannel) union;
*
*
* You can use {@link #getType()}{@link ChannelType#isMessage() .isMessage()} to validate whether you can call this
* method in addition to normal instanceof checks: channel instanceof MessageChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link MessageChannel}.
*
* @return The channel as a {@link MessageChannel}
*/
@Nonnull
MessageChannel asMessageChannel();
/**
* Casts this union to a {@link GuildChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* GuildChannel channel = union.asGuildChannel();
* GuildChannel channel2 = (GuildChannel) union;
*
*
* You can use {@link #getType()}{@link ChannelType#isGuild() isGuild()} to validate whether you can call this
* method in addition to normal instanceof checks: channel instanceof GuildChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link GuildChannel}.
*
* @return The channel as a {@link GuildChannel}
*/
@Nonnull
GuildChannel asGuildChannel();
/**
* Casts this union to a {@link GuildMessageChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* GuildMessageChannel channel = union.asGuildMessageChannel();
* GuildMessageChannel channel2 = (GuildMessageChannel) union;
*
*
* You can use {@link #getType()}{@link ChannelType#isGuild() .isGuild()}
* and {@link #getType()}{@link ChannelType#isMessage() .isMessage()} to validate whether you can call this
* method in addition to normal instanceof checks: channel instanceof GuildMessageChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link GuildMessageChannel}.
*
* @return The channel as a {@link GuildMessageChannel}
*/
@Nonnull
GuildMessageChannel asGuildMessageChannel();
/**
* Casts this union to a {@link AudioChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* AudioChannel channel = union.asAudioChannel();
* AudioChannel channel2 = (AudioChannel) union;
*
*
* You can use {@link #getType()}{@link ChannelType#isAudio() .isAudio()} to validate
* whether you can call this method in addition to normal instanceof checks: channel instanceof AudioChannel
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link AudioChannel}.
*
* @return The channel as a {@link AudioChannel}
*/
@Nonnull
AudioChannel asAudioChannel();
/**
* Casts this union to a {@link IThreadContainer}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* IThreadContainer channel = union.asThreadContainer();
* IThreadContainer channel2 = (IThreadContainer) union;
*
*
* You can use channel instanceof IThreadContainer to validate whether you can call this method.
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link IThreadContainer}.
*
* @return The channel as a {@link IThreadContainer}
*/
IThreadContainer asThreadContainer();
/**
* Casts this union to a {@link StandardGuildChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* StandardGuildChannel channel = union.asStandardGuildChannel();
* StandardGuildChannel channel2 = (StandardGuildChannel) union;
*
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link StandardGuildChannel}.
*
* @return The channel as a {@link StandardGuildChannel}
*/
@Nonnull
StandardGuildChannel asStandardGuildChannel();
/**
* Casts this union to a {@link StandardGuildMessageChannel}.
* This method exists for developer discoverability.
*
* Note: This is effectively equivalent to using the cast operator:
*
* //These are the same!
* StandardGuildMessageChannel channel = union.asStandardGuildMessageChannel();
* StandardGuildMessageChannel channel2 = (StandardGuildMessageChannel) union;
*
*
* @throws IllegalStateException
* If the channel represented by this union is not actually a {@link StandardGuildMessageChannel}.
*
* @return The channel as a {@link StandardGuildMessageChannel}
*/
@Nonnull
StandardGuildMessageChannel asStandardGuildMessageChannel();
}