/// <summary>
/// 默认消息处理器
/// </summary>
/// <param name="subscriber">订阅者</param>
/// <param name="messageHandlerProvider">消息处理器提供者</param>
/// <param name="mailboxProvider">Mailbox提供者</param>
/// <param name="continueWhenHandleFail">相同BusinessKey的消息处理失败后，是否继续推进</param>
/// <param name="retryIntervalSeconds">重试间隔秒数（-1 表示不重试）</param>
/// <param name="mailboxEliminationStrategy">mailbox淘汰策略，默认为LFU</param>
/// <param name="mailboxTimeoutSeconds">mailbox超时秒数</param>
/// <param name="cleanInactiveMailboxIntervalSeconds">清理不活跃邮箱间隔秒数</param>
/// <param name="batchSize">批量处理大小</param>
public DefaultMessageProcessor(
string subscriber,
IMessageHandlerProvider messageHandlerProvider,
IProcessingMessageMailboxProvider mailboxProvider,
bool continueWhenHandleFail,
int retryIntervalSeconds,
IEliminationStrategy mailboxEliminationStrategy = null,
int mailboxTimeoutSeconds = 600,
int cleanInactiveMailboxIntervalSeconds = 10,
int batchSize = 1000)
{
if (messageHandlerProvider == null)
{
throw new ArgumentNullException(nameof(messageHandlerProvider));
}
if (mailboxProvider == null)
{
throw new ArgumentNullException(nameof(mailboxProvider));
}
_mailboxDict = new ConcurrentDictionary <string, IProcessingMessageMailbox>();
_logger = LoggerManager.GetLogger(GetType());
_cleanInactiveMailboxTimer = new Timer(CleanInactiveMailbox);
_subscriber = subscriber;
_messageHandlerProvider = messageHandlerProvider;
_mailboxProvider = mailboxProvider;
_mailboxEliminationStrategy = mailboxEliminationStrategy ?? new LfuStrategy();
_eliminationKeyDict = new ConcurrentDictionary <string, bool>();
_continueWhenHandleFail = continueWhenHandleFail;
_retryIntervalSeconds = retryIntervalSeconds;
_mailboxTimeoutSeconds = mailboxTimeoutSeconds;
_cleanInactiveMailboxIntervalSeconds = cleanInactiveMailboxIntervalSeconds;
_batchSize = batchSize;
_mailboxEliminationStrategy.OnKnockedOut += (sender, e) =>
{
foreach (var key in e.Keys)
{
_eliminationKeyDict.TryAdd(key, false);
}
};
}
public CommandConsumer()
{
_mailboxProvider = new DefaultProcessingMessageMailboxProvider(new DefaultProcessingMessageHandler());
_logger = LoggerManager.GetLogger(typeof(CommandConsumer));
}
