C# Client.WritePolicy类代码示例

 /// <summary>
 /// Initialize large list operator.
 /// </summary>
 /// <param name="client">client</param>
 /// <param name="policy">generic configuration parameters, pass in null for defaults</param>
 /// <param name="key">unique record identifier</param>
 /// <param name="binName">bin name</param>
 public LargeList(AerospikeClient client, WritePolicy policy, Key key, string binName)
 {
     this.client = client;
     this.policy = policy;
     this.key = key;
     this.binName = Value.Get(binName);
 }

        public void Replace()
        {
            Key key = new Key(args.ns, args.set, "replacekey");
            Bin bin1 = new Bin("bin1", "value1");
            Bin bin2 = new Bin("bin2", "value2");
            Bin bin3 = new Bin("bin3", "value3");

            client.Put(null, key, bin1, bin2);

            WritePolicy policy = new WritePolicy();
            policy.recordExistsAction = RecordExistsAction.REPLACE;
            client.Put(policy, key, bin3);

            Record record = client.Get(null, key);
            AssertRecordFound(key, record);

            if (record.GetValue(bin1.name) != null)
            {
                Assert.Fail(bin1.name + " found when it should have been deleted.");
            }

            if (record.GetValue(bin2.name) != null)
            {
                Assert.Fail(bin2.name + " found when it should have been deleted.");
            }
            AssertBinEqual(key, record, bin3);
        }

        public static void Main(string[] args)
        {
            var client = Connect();
            var policy = new Policy();
            var writePolicy = new WritePolicy();
            var batchPolicy = new BatchPolicy();

            //NOTE: adjust the timeout value depending on your demo machine
            writePolicy.timeout = 1000;
            var key = new Key("test", "myset", "mykey");

            WriteSingleValue(client, writePolicy, key);
            CheckKeyExists(client, policy, key);
            AddSingleValue(client, writePolicy);
            WriteMultipleValues(client, writePolicy, key);
            WriteValueWithTtl(client);

            ReadAllValuesForKey(client, policy, key);
            ReadSomeValuesForKey(client, policy, key);

            DeleteValue(client, writePolicy, key);
            DeleteRecord(client, writePolicy, key);

            AddRecords(client, writePolicy);
            BatchReadRecords(client, batchPolicy);

            MultiOps(client, writePolicy, key);

            client.Close();
        }

 /// <summary>
 /// Initialize large set operator.
 /// </summary>
 /// <param name="client">client</param>
 /// <param name="policy">generic configuration parameters, pass in null for defaults</param>
 /// <param name="key">unique record identifier</param>
 /// <param name="binName">bin name</param>
 /// <param name="createModule">Lua function name that initializes list configuration parameters, pass null for default set</param>
 public LargeSet(AerospikeClient client, WritePolicy policy, Key key, string binName, string createModule)
 {
     this.client = client;
     this.policy = policy;
     this.key = key;
     this.binName = Value.Get(binName);
     this.createModule = Value.Get(createModule);
 }

 public ExecuteCommand(Cluster cluster, WritePolicy writePolicy, Key key, string packageName, string functionName, Value[] args)
     : base(cluster, writePolicy, key, null)
 {
     this.writePolicy = writePolicy;
     this.packageName = packageName;
     this.functionName = functionName;
     this.args = args;
 }

 private static void AddSingleValue(AerospikeClient client,
         WritePolicy writePolicy)
 {
     var newKey = new Key("test", "myAddSet", "myAddKey");
     var counter = new Bin("mybin", 1);
     client.Add(writePolicy, newKey, counter);
     Console.WriteLine("Wrote this additional value (or bin):  " + newKey);
     Console.WriteLine("");
 }

 public AsyncExecute(AsyncCluster cluster, WritePolicy writePolicy, ExecuteListener listener, Key key, string packageName, string functionName, Value[] args)
     : base(cluster, writePolicy, null, key, null)
 {
     this.writePolicy = writePolicy;
     this.executeListener = listener;
     this.packageName = packageName;
     this.functionName = functionName;
     this.args = args;
 }

 public Program(AerospikeClient c)
 {
     this.client = c;
     this.epoch = DateTime.Now;
     this.updatePolicy = new WritePolicy ();
     this.updatePolicy.generationPolicy = GenerationPolicy.EXPECT_GEN_EQUAL;
     this.updatePolicy.recordExistsAction = RecordExistsAction.UPDATE_ONLY;
     this.createPolicy = new WritePolicy ();
     this.createPolicy.recordExistsAction = RecordExistsAction.CREATE_ONLY;
 }

 private static void AddRecords(AerospikeClient client,
         WritePolicy writePolicy)
 {
     const int size = 1024;
     for (var i = 0; i < size; i++)
     {
         var key = new Key("test", "myset", (i + 1));
         client.Put(writePolicy, key, new Bin("dots", i + " dots"));
     }
     Console.WriteLine("Added " + size + " Records");
     Console.WriteLine("");
 }

        /// <summary>
        /// Demonstrate touch command.
        /// </summary>
        public override void RunExample(AerospikeClient client, Arguments args)
        {
            Key key = new Key(args.ns, args.set, "touchkey");
            Bin bin = new Bin(args.GetBinName("touchbin"), "touchvalue");

            console.Info("Create record with 2 second expiration.");
            WritePolicy writePolicy = new WritePolicy();
            writePolicy.expiration = 2;
            client.Put(writePolicy, key, bin);

            console.Info("Touch same record with 5 second expiration.");
            writePolicy.expiration = 5;
            Record record = client.Operate(writePolicy, key, Operation.Touch(), Operation.GetHeader());

            if (record == null)
            {
                throw new Exception(string.Format("Failed to get: namespace={0} set={1} key={2} bin={3} value={4}",
                    key.ns, key.setName, key.userKey, bin.name, null));
            }

            if (record.expiration == 0)
            {
                throw new Exception(string.Format("Failed to get record expiration: namespace={0} set={1} key={2}",
                    key.ns, key.setName, key.userKey));
            }

            console.Info("Sleep 3 seconds.");
            Thread.Sleep(3000);

            record = client.Get(args.policy, key, bin.name);

            if (record == null)
            {
                throw new Exception(string.Format("Failed to get: namespace={0} set={1} key={2}",
                    key.ns, key.setName, key.userKey));
            }

            console.Info("Success. Record still exists.");
            console.Info("Sleep 4 seconds.");
            Thread.Sleep(4000);

            record = client.Get(args.policy, key, bin.name);

            if (record == null)
            {
                console.Info("Success. Record expired as expected.");
            }
            else
            {
                console.Error("Found record when it should have expired.");
            }
        }

        public static void WriteRecords(TestContext testContext)
        {
            WritePolicy policy = new WritePolicy();
            policy.expiration = 2592000;

            for (int i = 1; i <= size; i++)
            {
                Key key = new Key(args.ns, args.set, keyPrefix + i);
                Bin bin = new Bin(binName, valuePrefix + i);

                client.Put(policy, key, bin);
            }
        }

        /// <summary>
        /// Write and twice read a bin value, demonstrating record expiration.
        /// </summary>
        public override void RunExample(AerospikeClient client, Arguments args)
        {
            Key key = new Key(args.ns, args.set, "expirekey");
            Bin bin = new Bin(args.GetBinName("expirebin"), "expirevalue");

            console.Info("Put: namespace={0} set={1} key={2} bin={3} value={4} expiration=2",
                key.ns, key.setName, key.userKey, bin.name, bin.value);

            // Specify that record expires 2 seconds after it's written.
            WritePolicy writePolicy = new WritePolicy();
            writePolicy.expiration = 2;
            client.Put(writePolicy, key, bin);

            // Read the record before it expires, showing it's there.
            console.Info("Get: namespace={0} set={1} key={2}", key.ns, key.setName, key.userKey);

            Record record = client.Get(args.policy, key, bin.name);

            if (record == null)
            {
                throw new Exception(string.Format("Failed to get: namespace={0} set={1} key={2}",
                    key.ns, key.setName, key.userKey));
            }

            object received = record.GetValue(bin.name);
            string expected = bin.value.ToString();

            if (received.Equals(expected))
            {
                console.Info("Get successful: namespace={0} set={1} key={2} bin={3} value={4}",
                    key.ns, key.setName, key.userKey, bin.name, received);
            }
            else
            {
                throw new Exception(string.Format("Expire mismatch: Expected {0}. Received {1}.", expected, received));
            }

            // Read the record after it expires, showing it's gone.
            console.Info("Sleeping for 3 seconds ...");
            Thread.Sleep(3 * 1000);
            record = client.Get(args.policy, key, bin.name);

            if (record == null)
            {
                console.Info("Expiry successful. Record not found.");
            }
            else
            {
                console.Error("Found record when it should have expired.");
            }
        }

        public void createTweet()
        {
            Console.WriteLine("\n********** Create Tweet **********\n");

            Record userRecord = null;
            Key userKey = null;
            Key tweetKey = null;

            // Get username
            string username;
            Console.WriteLine("\nEnter username:");
            username = Console.ReadLine();

            if (username != null && username.Length > 0)
            {
                // Check if username exists
                userKey = new Key("test", "users", username);
                userRecord = client.Get(null, userKey);
                if (userRecord != null)
                {
                    int nextTweetCount = int.Parse(userRecord.GetValue("tweetcount").ToString()) + 1;

                    // Get tweet
                    string tweet;
                    Console.WriteLine("Enter tweet for " + username + ":");
                    tweet = Console.ReadLine();

                    // Write record
                    WritePolicy wPolicy = new WritePolicy();
                    wPolicy.recordExistsAction = RecordExistsAction.UPDATE;

                    // Create timestamp to store along with the tweet so we can query, index and report on it
                    long ts = getTimeStamp();

                    tweetKey = new Key("test", "tweets", username + ":" + nextTweetCount);
                    Bin bin1 = new Bin("tweet", tweet);
                    Bin bin2 = new Bin("ts", ts);
                    Bin bin3 = new Bin("username", username);

                    client.Put(wPolicy, tweetKey, bin1, bin2, bin3);
                    Console.WriteLine("\nINFO: Tweet record created!");

                    // Update tweet count and last tweet'd timestamp in the user record
                    updateUser(client, userKey, wPolicy, ts, nextTweetCount);
                }
                else
                {
                    Console.WriteLine("ERROR: User record not found!");
                }
            }
        }

        public void Generation()
        {
            Key key = new Key(args.ns, args.set, "genkey");
            string binName = args.GetBinName("genbin");

            // Delete record if it already exists.
            client.Delete(null, key);

            // Set some values for the same record.
            Bin bin = new Bin(binName, "genvalue1");

            client.Put(null, key, bin);

            bin = new Bin(binName, "genvalue2");

            client.Put(null, key, bin);

            // Retrieve record and its generation count.
            Record record = client.Get(null, key, bin.name);
            AssertBinEqual(key, record, bin);

            // Set record and fail if it's not the expected generation.
            bin = new Bin(binName, "genvalue3");

            WritePolicy writePolicy = new WritePolicy();
            writePolicy.generationPolicy = GenerationPolicy.EXPECT_GEN_EQUAL;
            writePolicy.generation = record.generation;
            client.Put(writePolicy, key, bin);

            // Set record with invalid generation and check results .
            bin = new Bin(binName, "genvalue4");
            writePolicy.generation = 9999;

            try
            {
                client.Put(writePolicy, key, bin);
                Assert.Fail("Should have received generation error instead of success.");
            }
            catch (AerospikeException ae)
            {
                if (ae.Result != ResultCode.GENERATION_ERROR)
                {
                    Assert.Fail("Unexpected return code: namespace=" + key.ns + " set=" + key.setName + " key=" + key.userKey + " bin=" + bin.name + " value=" + bin.value + " code=" + ae.Result);
                }
            }

            // Verify results.
            record = client.Get(null, key, bin.name);
            AssertBinEqual(key, record, bin.name, "genvalue3");
        }

 protected override void WriteRecord(WritePolicy policy, Key key, Bin bin)
 {
     if (shared.writeLatency != null)
     {
         Stopwatch watch = Stopwatch.StartNew();
         client.Put(policy, key, bin);
         double elapsed = watch.Elapsed.TotalMilliseconds;
         OnWriteSuccess(elapsed);
     }
     else
     {
         client.Put(policy, key, bin);
         OnWriteSuccess();
     }
 }