常用校验token加上二级缓存

renren-admin/src/main/resources/ehcache.xml

@@ -57,4 +57,13 @@
            overflowToDisk="false"
            memoryStoreEvictionPolicy="LRU"/>
 
+    <!-- getByToken缓存 -->
+    <cache name="getByToken"
+           maxElementsInMemory="10000"
+           eternal="false"
+           timeToIdleSeconds="60"
+           timeToLiveSeconds="600"
+           overflowToDisk="true"
+           memoryStoreEvictionPolicy="LRU"/>
+
 </ehcache>

renren-api/src/main/java/io/renren/service/impl/TokenServiceImpl.java

@@ -4,6 +4,8 @@ import io.renren.common.service.impl.BaseServiceImpl;
 import io.renren.dao.TokenDao;
 import io.renren.entity.TokenEntity;
 import io.renren.service.TokenService;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
 
 import java.util.Date;
@@ -12,17 +14,20 @@ import java.util.UUID;
 
 @Service
 public class TokenServiceImpl extends BaseServiceImpl<TokenDao, TokenEntity> implements TokenService {
+    private static final String getByTokenKey = "getByToken";
     /**
      * 12小时后过期
      */
     private final static int EXPIRE = 3600 * 12;
 
     @Override
+    @Cacheable(value = getByTokenKey, key = "#p1")
     public TokenEntity getByToken(String token) {
         return baseDao.getByToken(token);
     }
 
     @Override
+    @CacheEvict(key = getByTokenKey, allEntries = true)
     public TokenEntity createToken(Long userId) {
         //当前时间
         Date now = new Date();
@@ -34,7 +39,7 @@ public class TokenServiceImpl extends BaseServiceImpl<TokenDao, TokenEntity> imp
 
         //判断是否生成过token
         TokenEntity tokenEntity = baseDao.getByUserId(userId);
-		if(tokenEntity == null){
+        if (tokenEntity == null) {
             //生成一个token
             token = generateToken();
 
@@ -46,12 +51,12 @@ public class TokenServiceImpl extends BaseServiceImpl<TokenDao, TokenEntity> imp
 
             //保存token
             this.insert(tokenEntity);
-		}else{
+        } else {
             //判断token是否过期
-			if(tokenEntity.getExpireDate().getTime() < System.currentTimeMillis()){
+            if (tokenEntity.getExpireDate().getTime() < System.currentTimeMillis()) {
                 //token过期，重新生成token
                 token = generateToken();
-			}else {
+            } else {
                 token = tokenEntity.getToken();
             }
 
@@ -67,7 +72,7 @@ public class TokenServiceImpl extends BaseServiceImpl<TokenDao, TokenEntity> imp
     }
 
     @Override
-	public void expireToken(Long userId){
+    public void expireToken(Long userId) {
         Date now = new Date();
 
         TokenEntity tokenEntity = new TokenEntity();
@@ -78,7 +83,7 @@ public class TokenServiceImpl extends BaseServiceImpl<TokenDao, TokenEntity> imp
         this.updateById(tokenEntity);
     }
 
-	private String generateToken(){
+    private String generateToken() {
         return UUID.randomUUID().toString().replace("-", "");
     }
 }