Add SINTERCARD operation to Jedis and Lettuce set commands

Author: Kiminni

src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java

@@ -82,6 +82,7 @@
  * @author Dennis Neufeld
  * @author Shyngys Sapraliyev
  * @author Jeonggyu Choi
+ * @author Mingi Lee
  */
 @NullUnmarked
 @SuppressWarnings({ "ConstantConditions", "deprecation" })
@@ -832,6 +833,11 @@ public Long sInterStore(byte[] destKey, byte[]... keys) {
 		return convertAndReturn(delegate.sInterStore(destKey, keys), Converters.identityConverter());
 	}
 
+	@Override
+	public Long sInterCard(byte[]... keys) {
+		return convertAndReturn(delegate.sInterCard(keys), Converters.identityConverter());
+	}
+
 	@Override
 	public Boolean sIsMember(byte[] key, byte[] value) {
 		return convertAndReturn(delegate.sIsMember(key, value), Converters.identityConverter());
@@ -1824,6 +1830,11 @@ public Long sInterStore(String destKey, String... keys) {
 		return sInterStore(serialize(destKey), serializeMulti(keys));
 	}
 
+	@Override
+	public Long sInterCard(String... keys) {
+		return sInterCard(serializeMulti(keys));
+	}
+
 	@Override
 	public Boolean sIsMember(String key, String value) {
 		return sIsMember(serialize(key), serialize(value));

src/main/java/org/springframework/data/redis/connection/DefaultedRedisConnection.java

@@ -67,6 +67,7 @@
  * @author Dennis Neufeld
  * @author Shyngys Sapraliyev
  * @author Tihomir Mateev
+ * @author Mingi Lee
  * @since 2.0
  */
 @Deprecated
@@ -890,6 +891,13 @@ default Long sInterStore(byte[] destKey, byte[]... keys) {
 		return setCommands().sInterStore(destKey, keys);
 	}
 
+	/** @deprecated in favor of {@link RedisConnection#setCommands()}}. */
+	@Override
+	@Deprecated
+	default Long sInterCard(byte[]... keys) {
+		return setCommands().sInterCard(keys);
+	}
+
 	/** @deprecated in favor of {@link RedisConnection#setCommands()}}. */
 	@Override
 	@Deprecated

src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java

@@ -74,6 +74,7 @@
  * @author ihaohong
  * @author Shyngys Sapraliyev
  * @author Jeonggyu Choi
+ * @author Mingi Lee
  * @see RedisCallback
  * @see RedisSerializer
  * @see StringRedisTemplate
@@ -1169,6 +1170,17 @@ String bLMove(@NonNull String sourceKey, @NonNull String destinationKey, @NonNul
 	 */
 	Long sInterStore(@NonNull String destKey, @NonNull String @NonNull... keys);
 
+	/**
+	 * Returns the cardinality of the set which would result from the intersection of all the given sets.
+	 *
+	 * @param keys must not be {@literal null}.
+	 * @return
+	 * @see <a href="https://redis.io/commands/sintercard">Redis Documentation: SINTERCARD</a>
+	 * @see RedisSetCommands#sInterCard(byte[]...)
+	 * @since 3.4
+	 */
+	Long sInterCard(@NonNull String @NonNull... keys);
+
 	/**
 	 * Union all sets at given {@code keys}.
 	 *