Java memcache applications

1 Importjava.io.Serializable;2 ImportJava.text.DateFormat;3 Importjava.util.Date;4 ImportJava.util.Map;5 6 Importcom.danga.MemCached.MemCachedClient;7 ImportCom.pt.util.memcached.MemcachedTool;8 9 Ten  Public classtestmemcached { One  A     /** -      * @paramargs -      */ the      Public Static voidMain (string[] args) { -         //TODO auto-generated Method Stub -memcachedclient MC =memcachedtool.getinstance (); -         //(1000 * 129 is the difference between local time and server-side time) +Date faildate =NewDate (System.currenttimemillis ()-1000 * 129 + 10000);  - System.out.println (faildate); +Mc.set ("C", "V", faildate);//If you have the same key value, replace the original value with the expiration time (whichever is the server time) ABoolean add = Mc.add ("b", "110");//returns False if the same key value exists atString str = (string) mc.get ("C"); -String[] keys = {"A", "B"}; -Map STRs = Mc.getmulti (keys);//getting multiple values returns the result as an array -System.out.println ("Get value from memcached:" +str); -Mc.delete ("C");//Delete key -          inSYSTEM.OUT.PRINTLN ("Test Add Method:" +add); -System.out.println ("Get params:" +STRs); to          +         //writing to an object -User Men =Newuser (); theMen.setid (1907); *Men.setname ("Pan Teng"); $         BooleanSetobj = Mc.set ("User", men);Panax NotoginsengUser Getmen = (user) mc.get ("User"); - System.out.println (getmen); the     } +  A } the  + classUserImplementsserializable{ - String name; $     intID; $      PublicString GetName () { -         returnname; -     } the      Public voidsetName (String name) { -          This. Name =name;Wuyi     } the      Public intgetId () { -         returnID; Wu     } -      Public voidSetId (intID) { About          This. ID =ID; $     } - @Override -      PublicString toString () { -         //TODO auto-generated Method Stub A         return"Name:" + name + "ID:" +ID; +     } the      -}

Testmain

1  Packagecom.pt.util.memcached;2 3 Importcom.danga.MemCached.MemCachedClient;4 ImportCom.danga.MemCached.SockIOPool;5 6  Public classMemcachedtool {7     Private StaticMemcachedclient memcacheclient =NULL;8     9     PrivateMemcachedtool () {Ten          One     } A      -      Public Staticmemcachedclient getinstance () { -         if(Memcacheclient = =NULL){ theMemcacheclient =Newmemcachedclient (); -Memcacheclient.setdefaultencoding ("UTF-8");//encoding format for write cache -              -         } +         returnmemcacheclient; -     } +      A     Static{ atString[] Serversarray = {"192.168.65.221:13220"}; -integer[] Weight = {1}; -Sockiopool Connpool =sockiopool.getinstance (); -Connpool.setservers (Serversarray);//setting up the memcached server -Connpool.setweights (weight);//set individual server storage weights -Connpool.setminconn (3);//set the minimum number of connections for a connection pool inConnpool.setinitconn (3);//Initialize the number of available connections -Connpool.setmaxidle (10000);//Maximum available connection pool wait time toConnpool.setsocketto (10000);//read Wait timeout value +Connpool.setsocketconnectto (10000);//connection Wait Timeout value -         //heartbeat detection, when set to true, each communication first detects whether the connection is available to increase IO and network overhead, and is generally set to False by default . theConnpool.setalivecheck (false); *         /**     $ * Alg=0 uses String.hashcode () to obtain hash code, which relies on the JDK and may not be compatible with other clients, it is recommended not to usePanax Notoginseng * Alg=1 uses original compatible hash algorithm, compatible with other clients - * alg=2 uses CRC32 compatible hash algorithm, compatible with other clients, performance is better than original algorithm the * alg=3 using MD5 hash algorithm + * When using the first three hash algorithms, find the cache server using the remainder method. Use the consistent method when finding the cache service using the last hash algorithm.  A          **/ theConnpool.sethashingalg (3); +         //the connection continues to be available after setting the server down or when the connection has changed from an outage to a recovery -Connpool.setfailback (true); $         //Start Pool $ connpool.initialize (); -     } -}

Memcachetool

Need to introduce: Java-memcached-release_2.5.2.jar package

Java memcache applications