优化缓存模块

src/main/java/org/sss/presentation/noui/cache/AbstractCache.java

@@ -4,6 +4,8 @@ import org.hibernate.Criteria;
 import org.hibernate.Query;
 import org.hibernate.internal.QueryImpl;
 import org.sss.common.model.CacheController;
+import org.sss.common.model.CacheKey;
+import org.sss.common.model.CacheList;
 import org.sss.common.model.IModuleList;
 import org.sss.module.pojo.EibsResultSet;
 import org.sss.presentation.noui.api.exception.NoUiException;
@@ -17,17 +19,27 @@ public abstract class AbstractCache implements CacheController {
     public static final ThreadLocal paginationMap = new ThreadLocal();
     protected final String cacheName;
     final String SPLIT = "__";
-    final String NULL ="NULL";
+    final String NULL = "NULL";
 
     public AbstractCache(String redis_cache) {
         this.cacheName = redis_cache;
     }
 
     @Override
-    public List cacheRead(Object o, long keepAlive, int maxSize, int offset) {
-        List lst = null;
-        String key = generateKey(o, maxSize, offset);
-        lst = doCacheRead(key);
+    public CacheList cacheRead(CacheKey cacheKey, long keepAlive, int maxSize, int offset) {
+        Object o = cacheKey.getKey();
+        String fullSizeKey = generateKey(o);
+        int fullSize = (int) doCacheRead(fullSizeKey);
+        if (fullSize == 0) {
+            try {
+                fullSize = cacheKey.getFullSize();
+                doCacheWrite(fullSizeKey, fullSize, keepAlive);
+            } catch (Exception e) {
+                throw new NoUiException("[" + this.cacheName + "]执行getFullSize时出现异常", e);
+            }
+        }
+        String valKey = generateValKey(o, maxSize, offset);
+        List lst = (List) doCacheRead(valKey);
         if (lst == null) {
             if (o instanceof Criteria) {
                 Criteria criteria = (Criteria) o;
@@ -61,12 +73,25 @@ public abstract class AbstractCache implements CacheController {
                     throw new NoUiException("[" + this.cacheName + "]执行sql出现异常", e);
                 }
             }
-            doCacheWrite(key, lst, keepAlive);
+            doCacheWrite(valKey, lst, keepAlive);
         }
-        return lst;
+        return new CacheList(lst, fullSize);
     }
 
-    private String generateKey(Object o, int maxSize, int offset) {
+    private String generateValKey(Object o, int maxSize, int offset) {
+        StringBuffer sb = new StringBuffer(generateKey(o));
+        if (maxSize > 0) {
+            sb.append(SPLIT.intern());
+            sb.append(maxSize);
+        }
+        if (offset > 0) {
+            sb.append(SPLIT.intern());
+            sb.append(offset);
+        }
+        return sb.toString();
+    }
+
+    private String generateKey(Object o) {
         StringBuffer sb = new StringBuffer(cacheName);
         sb.append(SPLIT.intern());
         sb.append(o.getClass().getSimpleName()).append(SPLIT.intern());
@@ -87,14 +112,6 @@ public abstract class AbstractCache implements CacheController {
                 }
             }
         }
-        if (maxSize > 0) {
-            sb.append(SPLIT.intern());
-            sb.append(maxSize);
-        }
-        if (offset > 0) {
-            sb.append(SPLIT.intern());
-            sb.append(offset);
-        }
         return sb.toString();
     }
 
@@ -112,7 +129,7 @@ public abstract class AbstractCache implements CacheController {
         moduleList.setPage(paginationItem.get(Constants.PAGINATION_INDEX));
     }
 
-    protected abstract List doCacheRead(String key);
+    protected abstract Object doCacheRead(String key);
 
-    protected abstract void doCacheWrite(String key, List lst, long keepAlive);
+    protected abstract void doCacheWrite(String key, Object lst, long keepAlive);
 }

src/main/java/org/sss/presentation/noui/cache/RedisCache.java

@@ -3,24 +3,22 @@ package org.sss.presentation.noui.cache;
 import org.sss.presentation.noui.api.exception.NoUiException;
 import org.sss.presentation.noui.util.RedisUtil;
 
-import java.util.List;
-
 public class RedisCache extends AbstractCache {
     public RedisCache() {
         super("REDIS_CACHE");
     }
 
     @Override
-    protected List doCacheRead(String key) {
+    protected Object doCacheRead(String key) {
         try {
-            return (List) RedisUtil.get(key);
+            return RedisUtil.get(key);
         } catch (Exception e) {
             throw new NoUiException("从缓存[" + this.cacheName + "]中获取key=" + key + "的值出现异常", e);
         }
     }
 
     @Override
-    protected void doCacheWrite(String key, List lst, long keepAlive) {
+    protected void doCacheWrite(String key, Object lst, long keepAlive) {
         try {
             RedisUtil.set(key, lst, (int) (keepAlive / 1000));
         } catch (Exception e) {