Redis Connection for Redis entry and manipulation of characters

[Java] View plain copy package redis.clients.jedis.tests;      import  java.text.parseexception;   import java.util.iterator;   import java.util.List;    import java.util.set;      import org.junit.afterclass;   import org.junit.beforeclass;   import org.junit.test;      import  redis.clients.jedis.hostandport;   import redis.clients.jedis.jedis;   import  redis.clients.jedis.protocol;   import redis.clients.jedis.scanparams;   import  redis.clients.jedis.scanresult;   import redis.clients.jedis.params.set.setparams;      public class jedisallmethodtest {       static  jedis jedis = null;       static hostandport hnp =  new hostandport("10.0.50.11",  protocol.default_port);               /**       *  initializing connections        *  @author  jackson       *  @date  2015-12-16  morning 8:54:01        *  @throws  Exception       *  @return  void        */        @BeforeClass   //  junit  provides @beforeclass label,    beforeclass  tag only once           public static void setup ()  throws Exception {          //the first way to connect jedis              jedis = new jedis (Hnp.gethost (),  hnp.getport (),  500);            jedis.connect ();            Jedis.auth ("foobared");// redis auth  command   Verification  redis  password, need to open   in redis.conf config file  requirepass foobared  Parameters,            Jedis.configset ("timeout",  "+");// redis config  command             jedis.flushall ();// redis flushall  command   Clear all key  and clear all data                         //the second way to connect Jedis            /*  use  uri  Connect database           jedis = new jedis (New URI (" REDIS://:FOOBARED@10.0.50.11:6379/4 "),  15000,15000);// 4  indicates that the connection is   5th database  url, Time-out, Input stream timeout time       &nbsP;   jedis.connect ();          jedis.flushall ();//  redis flushall  command   Clear all key  and clear all data              */                       //  Third Way to connect Jedis             /* using  jedisShardInfo  connecting redis           Jedisshardinfo jedisshardinfo = new jedisshardinfo ("REDIS://:FOOBARED@10.0.50.11:6379/1") ;// /1  indicates that the connection is   second database  ;foobared  database password            jedisshardinfo.setconnectiontimeout (150000);           Jedisshardinfo.setsotimeout (150000);          jedis =  New jedis (Jedisshardinfo), &nbsp         jedis.connect ();           jedis.flushall ();// redis flushall  command   Clear all key  and clear all data            */                    }          /**        *  Close connection        *  @author  jackson        *  @date  2015-12-16  Morning 8:54:34       * @ return void       */        @AfterClass         public static void teardown ()  { //  when tagged as   afterclass beforeclass  Time method   must be static    before  after  not required      &NBsp;      jedis.disconnect ();//  is ultimately called   in   Connection   disconnect   function is to close the stream, close socket        }        /**       *   redis     to   string   and key operation demo        *  @author  jackson       *   @date  2015-12-17  pm 1:15:10       *  @throws   interruptedexception       *  @throws  ParseException        *  @return  void       */        /**       *  @author  jackson       *   @date  2015-12-17  pm 1:48:00       *  @throws   interruptedexception       *  @throws  ParseException       * @ return void       */        @Test        public void jedisstringkeytest ()  throws interruptedexception,  ParseException{           system.out.println ("= = = Test jedis begin=== ")  // sotimeout set the time-out for the socket call InputStream read Data             jedis.set ("Test",  "test");             system.out.println (Jedis.get ("Test"));            jedis.append ("Test",  "Test2");//  is ultimately converting the   string to a byte array written in the form of a stream             system.out.println (Jedis.get ("Test"));                       /*            * nx| xx, nx --has this parameter only  set  does not exist key, if the key set  value that already exists does not take effect, xx --  This parameter only sets the value of the key  that already exists, does not exist            * ex| px, key  time of existence: ex = seconds; px = milliseconds            * */           //   Verification   NX XX           string status  = jedis.set ("Test",  "test234", Setparams.setparams (). NX ());// status  to null  The operation fails            system.out.println ("Test setparams.setparams () . NX () to the already existing Key set value    operation status: "+status + " Action Value "+jedis.get (" test "); //  Output value TESTTEST2 &NBsp         status = jedis.set ("Test1",  "test2222", Setparams.setparams (). NX ());//status  for ok            System.out.println ("Test Setparams.setparams (). NX () gives non-existent Key set value    operation status   operation status:" +status +   Operation value +jedis.get ("Test1"));//  output value is test2222                       status = jedis.set ("Test1",  " Test342222 ", Setparams.setparams (). XX ());// status  for ok            system.out.println ("  Test Setparams.setparams (). XX () to an already existing Key set value    operation state   Operation Status: "+status + " Action Value "+jedis.get (" test1 ");//  output value is  test342222            status = jedis.set ("test21",  "test34212222", Setparams.setparams (). XX ());// status  for null            system.out.println (" Test Setparams.setparams (). XX () to Key set value not present    operation status   operation status   operation status: "+status + " Action Value "+ Jedis.get ("test21"));//  output value is null                      //  Verification  ex| px           status = jedis.set ("TestEX",  " TestEX ", Setparams.setparams (). EX (1));            System.out.println ("Test  ex   operation Status:" +status+ "Action Value:" +jedis.get ("TestEX"));//  output  testex            thread.sleep (1002);            system.out.println ("Test ex 1  seconds after the automatic destruction, output null  operation status:" +status+ "Action Value:" + Jedis.get ("TestEX"));// 1  seconds after automatic destruction, output null                      status =  Jedis.set ("testpx",  "TestEX", Setparams.setparams (). PX (+));            system.out.println ("Test  px   operation Status:" +status+ "Action Value:" +jedis.get ("TESTPX"));//  Output  testEX           thread.sleep (101);            system.out.println ("Test px 1  seconds after the automatic destruction   operation status:" +status+ "Action Value: "+jedis.get (" TESTPX "));// 1  seconds after automatic destruction, output null                                    // Note:  because the set  command can be used with parameters to achieve and setnx , setex , and psetex  three command effects, As a result, future versions of redis  may be discarded and eventually removed, setnx , setex , and psetex  three commands             //setnx  sets the value of key  to value&nbsp, when and only if key  does not exist. If a given key  already exists, then setnx  does not do any action.  SETNX  is "set if not exists" (if not present, SET)   shorthand              //  similar to  set (KEY,VALUE,NX)                //  when key  is not present              long   n = jedis.setnx ("Key6",  "Value6");             system.out.println (n!=0? ") set  Success "+jedis.get (" Key6 "):" set  failed "); // set  successfully returned  1  set failed to return  0              //  when key  is present             n = jedis.setnx ("Key6",  "Value6");             SYSTEM.OUT.PRINTLN (n!=0? ") set  Success "+jedis.get (" Key6 ") +n:" set  failed "+jedis.get (" Key6 ") +n);                         // setex  Similar to   execute  set (key,value)   in execution    EXPIRE   similar to   set (KEY,VALUE,EX)    set the time to live is   second level            status =   jedis.setex ("Key7", 1,  "Value7");             system.out.println (Status+jedis.get ("Key7"));             thread.sleep (;  )           System.out.println (Jedis.get ("Key7"));             Jedis.psetex ("Key20", 10,  "Value20");//  sets the time-to-live for milliseconds, similar to   set (KEY,VALUE,PX)                       // exists   Checks if a given key (multiple  key values)   exists.   return value:  if   All key does not exist, return 0&nbsp, if there is   then return   The number of key exists              system.out.println ("= = = Test  exists  command:  ====");              n = jedis.exists ("Test1 test test2"). Split (" ")); //             int  count =  "Test1 test test2". Split (" ") .length -  (int)  n;            system.out.println ( n != 0 ?  " key  exist   Number: "+n+"   non-existent number: "+count:" key  does not exist "+n";                         // exist  Check   Whether a single  key  value exists     return value:  if the key  value exists   returns  TRUE    Return to false                        boolean exists =  jedis.exists ("test");//  return true             SYSTEM.OUT.PRINTLN (exists);                          // del  deletes the given one or more key . Non-existent key  will be ignored    return value:  returns the number of deleted key ,             system.out.println ("= = = Test  del  command:=== ");             n = jedis.del ("Test1 test test2". Split (" "));            system.out.println ("Delete key&nbThe number of SPS is "+n";            system.out.println (Jedis.get (" Test ") +jedis.get (" Test1 "));//  return null   description has been removed                          jedis.set ("Testdel",  "Testdel");            n = jedis.del ("TestDel") );            system.out.println ("The number of deleted key  is" +n);                          // type  commands              System.out.println ("= = = Test  type  command:=== ");             string type = jedis.type ("test"); // test  does not exist   returns none             SYSTEM.OUT.PRINTLN ("Storage type:" +type);             jedis.set ("Testtype",  "Testtype");             type = jedis.type ("Testtype"); // test  Returns string            system.out.println ("Storage type:" +type);                          jedis.flushall ();            //  mset  command   batch   insert     Insert all values if key value already exists, overwrite     insert success   return OK   Always insert success