MessageCache

interface MessageCache : MutableMap<Long, Message>

Cache for messages in order to get the old content in MESSAGE_UPDATE and MESSAGE_DELETE events.

See Also

entries	`open val entries: MutableSet<MutableEntry<Long, Message>>`
keys	`abstract val keys: MutableSet<Long>` A MutableSet of all cached ids.
values	`abstract val values: MutableCollection<Message>` A MutableSet of all cached messages

cacheMessage	`open fun cacheMessage(message: Message): Message?` Adds a message to the cache.
clear	`abstract fun clear(): Unit` Clears the cache
contains	`abstract operator fun contains(id: Long): Boolean` Checks whether an id is cached or not.
containsKey	`open fun containsKey(key: Long): Boolean`
containsValue	`open fun containsValue(value: Message): Nothing`
get	`abstract operator fun get(key: Long): Message?` Gets a message from the cache.
isEmpty	`abstract fun isEmpty(): Boolean` Checks whether there is at least one message cached.
minusAssign	`open operator fun minusAssign(id: Long): Unit` `open operator fun minusAssign(message: Message): Unit`
plusAssign	`open operator fun plusAssign(message: Message): Unit`
put	`abstract fun put(key: Long, value: Message): Message?` Adds a message to the cache.
putAll	`open fun putAll(from: Map<out Long, Message>): Nothing`
remove	`abstract fun remove(key: Long): Message?` Removes a message by it's id from the cache. `open fun remove(message: Message): Message?` Removes the message from the cache.

fun activate(eventManager: EventManager): MessageCache

Creates a new Message cache and registers it's listner to the specified eventManager.

class MemoryMessageCache : MessageCache