src/org/redkale/source/CacheMemorySource.java

@@ -932,6 +932,22 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
         return new ArrayList<>(container.keySet());
     }
 
+    @Override
+    public List<String> queryKeysStartsWith(String startsWith) {
+        if (startsWith == null) return queryKeys();
+        List<String> rs = new ArrayList<>();
+        container.keySet().stream().filter(x -> x.startsWith(startsWith)).forEach(x -> rs.add(x));
+        return rs;
+    }
+
+    @Override
+    public List<String> queryKeysEndsWith(String endsWith) {
+        if (endsWith == null) return queryKeys();
+        List<String> rs = new ArrayList<>();
+        container.keySet().stream().filter(x -> x.endsWith(endsWith)).forEach(x -> rs.add(x));
+        return rs;
+    }
+
     @Override
     public int getKeySize() {
         return container.size();
@@ -952,6 +968,16 @@ public class CacheMemorySource<V extends Object> extends AbstractService impleme
         return CompletableFuture.completedFuture(new ArrayList<>(container.keySet()));
     }
 
+    @Override
+    public CompletableFuture<List<String>> queryKeysStartsWithAsync(String startsWith) {
+        return CompletableFuture.completedFuture(queryKeysStartsWith(startsWith));
+    }
+
+    @Override
+    public CompletableFuture<List<String>> queryKeysEndsWithAsync(String endsWith) {
+        return CompletableFuture.completedFuture(queryKeysEndsWith(endsWith));
+    }
+
     @Override
     public CompletableFuture<Integer> getKeySizeAsync() {
         return CompletableFuture.completedFuture(container.size());

src/org/redkale/source/CacheSource.java

@@ -98,6 +98,10 @@ public interface CacheSource<V extends Object> {
 
     public List<String> queryKeys();
 
+    public List<String> queryKeysStartsWith(String startsWith);
+
+    public List<String> queryKeysEndsWith(String endsWith);
+
     public int getKeySize();
 
     public List<CacheEntry<Object>> queryList();
@@ -215,6 +219,10 @@ public interface CacheSource<V extends Object> {
 
     public CompletableFuture<List<String>> queryKeysAsync();
 
+    public CompletableFuture<List<String>> queryKeysStartsWithAsync(String startsWith);
+
+    public CompletableFuture<List<String>> queryKeysEndsWithAsync(String endsWith);
+
     public CompletableFuture<Integer> getKeySizeAsync();
 
     public CompletableFuture<List<CacheEntry< Object>>> queryListAsync();