optimise

whatsmars-redis/README.md

@@ -13,11 +13,11 @@ Spring Boot 2.x默认使用Lettuce。
 - Jedis相比Lettuce和[Redission](https://github.com/redisson/redisson)，最大的特点是简单易集成，这从源代码量就可感受到。
 
 ### Redis集群方案
-- 客户端分片: 操作简单，无法动态扩缩容 `现实方案`
-- [Twemproxy](https://github.com/twitter/twemproxy)/[Codis](https://github.com/CodisLabs/codis): `多余方案`
+- 客户端分片: 操作简单，无法动态扩缩容 `简单方案`
+- [Twemproxy](https://github.com/twitter/twemproxy)/[Codis](https://github.com/CodisLabs/codis): 云厂商大都采用这类方案 `代理方案`
 - Redis Cluster: 官方集群方案，无中心结构，动态扩缩容，最大支撑1000个节点，`理想方案`
 
-### 主从读写分离
+### Master/Slave Separation
 通常情况下，Slave只是作为数据备份，不提供read操作，这种考虑是为了避免slave提供stale数据而导致一些问题。
 不过在很多场景下，即使slave数据有一定的延迟，我们仍然可以兼容或者正常处理，此时我们可以将slave提供read
 服务，并在M-S集群中将read操作分流，此时我们的Redis集群将可以支撑更高的QPS。本实例中，仅仅提供了“读写分
@@ -38,4 +38,5 @@ MySQL的主要任务是把数据组织成树表，在磁盘和内存之间进行
 - [如何根据key前缀统计内存占用](https://segmentfault.com/q/1010000010575235)
 - [《Redis设计与实现》](https://e.jd.com/30189715.html) `e.jd.com`
 
+[whatsmars-spring-boot](https://github.com/javahongxi/whatsmars/tree/master/whatsmars-spring-boot)
 [whatsmars-boot-sample-redis](https://github.com/javahongxi/whatsmars/tree/master/whatsmars-spring-boot-samples/whatsmars-boot-sample-redis)
\ No newline at end of file

whatsmars-redis/src/main/java/org/hongxi/whatsmars/redis/client/service/RedisService.java

@@ -80,7 +80,7 @@ public interface RedisService<T> {
 	
 	T getObject(String key, Class<T> c);
 	
-	byte[] getB(String key);
+	byte[] getBytes(String key);
 
 	/**
 	 * <pre>
@@ -108,11 +108,12 @@ public interface RedisService<T> {
 	 */
 	boolean flushDB();
 
-    void pubMsg(String channel, Object obj);
-
-    Set<String> getSet(String key);
-
-    long addSet(String key, String... values);
-
+	/**
+	 * <pre>
+	 *
+	 * &#64;param keys
+	 * &#64;return 批量获取key的值
+	 * </pre>
+	 */
     List<T> multiGet(Collection keys);
 }

whatsmars-redis/src/main/java/org/hongxi/whatsmars/redis/client/service/RedisStringService.java

+package org.hongxi.whatsmars.redis.client.service;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Created by shenhongxi on 2018/12/24.
+ */
+public interface RedisStringService {
+
+    void set(String key, String value);
+
+    void set(String key, String value, long activeTime);
+
+    void setIfAbsent(String key, String value);
+
+    String get(String key);
+
+    String getAndSet(String key, String value);
+
+    void multiSet(Map<String, String> map);
+
+    List<String> multiGet(Collection<String> keys);
+
+    Long increment(String key, long delta);
+
+    Double increment(String key, double delta);
+
+    Integer append(String key, String value);
+
+    String get(String key, long start, long end);
+
+    Long size(String key);
+
+    Boolean setBit(String key, long offset, boolean value);
+
+    Boolean getBit(String key, long offset);
+
+    long addSet(String key, String... values);
+
+    Set<String> getSet(String key);
+
+    void pubMsg(String channel, Object obj);
+}

whatsmars-redis/src/main/java/org/hongxi/whatsmars/redis/client/service/impl/RedisMapServiceImpl.java

 package org.hongxi.whatsmars.redis.client.service.impl;
 
+import lombok.extern.slf4j.Slf4j;
 import org.hongxi.whatsmars.redis.client.service.RedisMapService;
 import org.springframework.dao.DataAccessException;
 import org.springframework.data.redis.connection.RedisConnection;
@@ -14,6 +15,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
+@Slf4j
 @Service
 public class RedisMapServiceImpl implements RedisMapService {
 
@@ -121,7 +123,7 @@ public class RedisMapServiceImpl implements RedisMapService {
 		try {
 			return value == null ? null : new String(value, CHARSET);
 		} catch (UnsupportedEncodingException e) {
-			e.printStackTrace();
+			log.error(e.getMessage(), e);
 		}
 		return null;
 	}

whatsmars-redis/src/main/java/org/hongxi/whatsmars/redis/client/service/impl/RedisServiceImpl.java

 package org.hongxi.whatsmars.redis.client.service.impl;
 
-import com.alibaba.fastjson.JSON;
-import com.fasterxml.jackson.core.JsonParseException;
 import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
 import org.hongxi.whatsmars.redis.client.service.RedisService;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataAccessException;
 import org.springframework.data.redis.connection.RedisConnection;
 import org.springframework.data.redis.core.RedisCallback;
 import org.springframework.data.redis.core.RedisTemplate;
-import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 
 import javax.annotation.Resource;
-import java.io.IOException;
 import java.io.Serializable;
 import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
@@ -23,6 +18,7 @@ import java.util.Collection;
 import java.util.List;
 import java.util.Set;
 
+@Slf4j
 @Service
 public class RedisServiceImpl<T> implements RedisService<T> {
 
@@ -30,8 +26,6 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 
 	@Resource
 	private RedisTemplate<String, Serializable> redisTemplate;
-	@Autowired
-	private StringRedisTemplate stringRedisTemplate;
 
 	@Override
 	public boolean set(final byte[] key, final byte[] value, final long activeTime) {
@@ -69,7 +63,7 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 		try {
 			b = objectMapper.writeValueAsBytes(value);
 		} catch (JsonProcessingException e) {
-			e.printStackTrace();
+			log.error(e.getMessage(), e);
 			return false;
 		}
 		return this.set(key, b, activeTime);
@@ -83,7 +77,7 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 					byte[] value = connection.get(key.getBytes());
 					return value == null ? null : new String(value, CHARSET);
 				} catch (UnsupportedEncodingException e) {
-					e.printStackTrace();
+					log.error(e.getMessage(), e);
 				}
 				return null;
 			}
@@ -101,12 +95,8 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 				ObjectMapper objectMapper = new ObjectMapper();
 				try {
 					return objectMapper.readValue(value, c);
-				} catch (JsonParseException e) {
-					e.printStackTrace();
-				} catch (JsonMappingException e) {
-					e.printStackTrace();
-				} catch (IOException e) {
-					e.printStackTrace();
+				} catch (Exception e) {
+					log.error(e.getMessage(), e);
 				}
 				return null;
 			}
@@ -160,7 +150,7 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 	}
 
 	@Override
-	public byte[] getB(final String key) {
+	public byte[] getBytes(final String key) {
 		return redisTemplate.execute(new RedisCallback<byte[]>() {
 			public byte[] doInRedis(RedisConnection connection) throws DataAccessException {
 				return connection.get(key.getBytes());
@@ -168,23 +158,6 @@ public class RedisServiceImpl<T> implements RedisService<T> {
 		});
 	}
 
-	@Override
-	public void pubMsg(String channel, Object obj) {
-		assert null != obj;
-		String msg = obj instanceof String ? String.valueOf(obj) : JSON.toJSONString(obj);
-		stringRedisTemplate.convertAndSend(channel, msg);
-	}
-
-	@Override
-	public Set<String> getSet(String key) {
-		return stringRedisTemplate.opsForSet().members(key);
-	}
-
-	@Override
-	public long addSet(String key, String... values) {
-		return stringRedisTemplate.opsForSet().add(key, values);
-	}
-
 	@Override
 	public List<T> multiGet(Collection keys) {
 		return redisTemplate.opsForValue().multiGet(keys);

whatsmars-redis/src/main/java/org/hongxi/whatsmars/redis/client/service/impl/RedisStringServiceImpl.java

+package org.hongxi.whatsmars.redis.client.service.impl;
+
+import com.alibaba.fastjson.JSON;
+import org.hongxi.whatsmars.redis.client.service.RedisStringService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.stereotype.Service;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by shenhongxi on 2018/12/24.
+ */
+@Service
+public class RedisStringServiceImpl implements RedisStringService {
+
+    @Autowired
+    private StringRedisTemplate stringRedisTemplate;
+
+    @Override
+    public void set(String key, String value) {
+        stringRedisTemplate.opsForValue().set(key, value);
+    }
+
+    @Override
+    public void set(String key, String value, long activeTime) {
+        stringRedisTemplate.opsForValue().set(key, value, activeTime, TimeUnit.SECONDS);
+    }
+
+    @Override
+    public void setIfAbsent(String key, String value) {
+        stringRedisTemplate.opsForValue().setIfAbsent(key, value);
+    }
+
+    @Override
+    public String get(String key) {
+        return stringRedisTemplate.opsForValue().get(key);
+    }
+
+    @Override
+    public String getAndSet(String key, String value) {
+        return stringRedisTemplate.opsForValue().getAndSet(key, value);
+    }
+
+    @Override
+    public void multiSet(Map<String, String> map) {
+        stringRedisTemplate.opsForValue().multiSet(map);
+    }
+
+    @Override
+    public List<String> multiGet(Collection<String> keys) {
+        return stringRedisTemplate.opsForValue().multiGet(keys);
+    }
+
+    @Override
+    public Long increment(String key, long delta) {
+        return stringRedisTemplate.opsForValue().increment(key, delta);
+    }
+
+    @Override
+    public Double increment(String key, double delta) {
+        return stringRedisTemplate.opsForValue().increment(key, delta);
+    }
+
+    @Override
+    public Integer append(String key, String value) {
+        return stringRedisTemplate.opsForValue().append(key, value);
+    }
+
+    @Override
+    public String get(String key, long start, long end) {
+        return stringRedisTemplate.opsForValue().get(key, start, end);
+    }
+
+    @Override
+    public Long size(String key) {
+        return stringRedisTemplate.opsForValue().size(key);
+    }
+
+    @Override
+    public Boolean setBit(String key, long offset, boolean value) {
+        return stringRedisTemplate.opsForValue().setBit(key, offset, value);
+    }
+
+    @Override
+    public Boolean getBit(String key, long offset) {
+        return stringRedisTemplate.opsForValue().getBit(key, offset);
+    }
+
+    @Override
+    public long addSet(String key, String... values) {
+        return stringRedisTemplate.opsForSet().add(key, values);
+    }
+
+    @Override
+    public Set<String> getSet(String key) {
+        return stringRedisTemplate.opsForSet().members(key);
+    }
+
+    @Override
+    public void pubMsg(String channel, Object obj) {
+        assert obj != null;
+        String msg = obj instanceof String ? String.valueOf(obj) : JSON.toJSONString(obj);
+        stringRedisTemplate.convertAndSend(channel, msg);
+    }
+}