[Add] CacheStore 增加keys, remove方法;

[Update] HotDataCacheStore, LocalHashCacheStore, RedisPoolCacheStore 适配CacheStore的更改;

src/main/java/net/lamgc/cgj/bot/cache/CacheStore.java

@@ -1,6 +1,7 @@
 package net.lamgc.cgj.bot.cache;
 
 import java.util.Date;
+import java.util.Set;
 
 /**
  * 缓存库接口
@@ -68,6 +69,19 @@ public interface CacheStore<T> {
      */
     boolean clear();
 
+    /**
+     * 获取key集合
+     * @return 返回存储缓存库中所有缓存项key的集合
+     */
+    Set<String> keys();
+
+    /**
+     * 删除指定缓存项
+     * @param key 缓存项key
+     * @return 删除成功返回true
+     */
+    boolean remove(String key);
+
     /**
      * 是否支持持久化
      * @return 如果支持返回true

src/main/java/net/lamgc/cgj/bot/cache/HotDataCacheStore.java

@@ -3,9 +3,7 @@ package net.lamgc.cgj.bot.cache;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.Date;
+import java.util.*;
-import java.util.Objects;
-import java.util.Random;
 
 /**
  * 具有继承性的热点数据缓存库
@@ -99,6 +97,21 @@ public class HotDataCacheStore<T> implements CacheStore<T> {
         return current.clear();
     }
 
+    @Override
+    public Set<String> keys() {
+        Set<String> keys = new HashSet<>();
+        keys.addAll(current.keys());
+        keys.addAll(parent.keys());
+        return keys;
+    }
+
+    @Override
+    public boolean remove(String key) {
+        parent.remove(key);
+        current.remove(key);
+        return true;
+    }
+
     @Override
     public boolean supportedPersistence() {
         return current.supportedPersistence() || parent.supportedPersistence();

src/main/java/net/lamgc/cgj/bot/cache/LocalHashCacheStore.java

@@ -5,6 +5,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.Date;
 import java.util.Hashtable;
 import java.util.Objects;
+import java.util.Set;
 import java.util.concurrent.atomic.AtomicReference;
 
 /**
@@ -97,6 +98,16 @@ public class LocalHashCacheStore<T> implements CacheStore<T> {
         return true;
     }
 
+    @Override
+    public Set<String> keys() {
+        return cache.keySet();
+    }
+
+    @Override
+    public boolean remove(String key) {
+        return cache.remove(key) != null;
+    }
+
     @Override
     public boolean supportedPersistence() {
         return false;

src/main/java/net/lamgc/cgj/bot/cache/RedisPoolCacheStore.java

@@ -88,12 +88,20 @@ public abstract class RedisPoolCacheStore<T> implements CacheStore<T> {
         }
     }
 
+    @Override
     public Set<String> keys() {
         try (Jedis jedis = jedisPool.getResource()) {
             return jedis.keys(keyPrefix + "*");
         }
     }
 
+    @Override
+    public boolean remove(String key) {
+        try (Jedis jedis = jedisPool.getResource()) {
+            return jedis.del(keyPrefix + key) == 1;
+        }
+    }
+
     /**
      * 转换方法
      * @param dataObj 原数据