Redis Setnx Distributed lock

    Private FinalString Redislockkey = "Redlock"; Private Final LongAlttimeout = 1 * * 1000L;//1hour    /*** Get Redis Distributed lock * *@authorAdministrator *@version1.0 *@returntrue: Get lock permission false: Lock permission not acquired*/    Private synchronized BooleanGetredlock () {Long flag= Jedis.setnx (Redislockkey, String.valueof (System.currenttimemillis () + alttimeout + 1L)); if(Flag = = 0L) {String value=Jedis.get (Redislockkey); LongLongval =Long.parselong (value); if(Longval > System.currenttimemillis ()) {//Not expired                returnBoolean.false; } Else{//ExpiredString _value =Jedis.getset (Redislockkey, String.valueof (System.currenttimemillis ()+ Alttimeout + 1L)); Long_longval =Long.parselong (_value); if(_longval >System.currenttimemillis ()) {                    returnBoolean.false; } Else {                    returnboolean.true; }            }        } Else {            returnboolean.true; }    }

Redis Setnx Distributed lock