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[LC] 359. Logger Rate Limiter

时间:2019-12-09 01:11:40      阅读:98      评论:0      收藏:0      [点我收藏+]

标签:messages   message   key   contain   div   obj   ast   call   otherwise   

Design a logger system that receive stream of messages along with its timestamps, each message should be printed if and only if it is not printed in the last 10 seconds.

Given a message and a timestamp (in seconds granularity), return true if the message should be printed in the given timestamp, otherwise returns false.

It is possible that several messages arrive roughly at the same time.

 

class Logger {

    private Map<String, Integer> map;
    /** Initialize your data structure here. */
    public Logger() {
        map = new HashMap<>();
    }
    
    /** Returns true if the message should be printed in the given timestamp, otherwise returns false.
        If this method returns false, the message will not be printed.
        The timestamp is in seconds granularity. */
    public boolean shouldPrintMessage(int timestamp, String message) {
        if (!map.containsKey(message) || timestamp - map.get(message) >= 10) {
            map.put(message, timestamp);  
            return true;
        }
        return false;
    }
}

/**
 * Your Logger object will be instantiated and called as such:
 * Logger obj = new Logger();
 * boolean param_1 = obj.shouldPrintMessage(timestamp,message);
 */

 

[LC] 359. Logger Rate Limiter

标签:messages   message   key   contain   div   obj   ast   call   otherwise   

原文地址:https://www.cnblogs.com/xuanlu/p/12008809.html

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