DATAREDIS-643 - Provide ReactiveStringRedisTemplate.

Provide a String-focused convenience class for simpler bootstrapping and to provide a dedicated bean type for the application context when using auto-configuration.

Original Pull Request: #288

src/main/java/org/springframework/data/redis/core/ReactiveStringRedisTemplate.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2017 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.redis.core;
+
+import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory;
+import org.springframework.data.redis.serializer.RedisSerializationContext;
+
+/**
+ * String-focused extension of {@link ReactiveRedisTemplate}. Since most operations against Redis are {@link String}
+ * based, this class provides a dedicated arrangement that minimizes configuration of its more generic
+ * {@link ReactiveRedisTemplate template} especially in terms of serializers.
+ * 
+ * @author Mark Paluch
+ * @since 2.1
+ */
+public class ReactiveStringRedisTemplate extends ReactiveRedisTemplate<String, String> {
+
+	/**
+	 * Creates new {@link ReactiveRedisTemplate} using given {@link ReactiveRedisConnectionFactory} applying default
+	 * {@link String} serialization.
+	 *
+	 * @param connectionFactory must not be {@literal null}.
+	 * @see RedisSerializationContext#string()
+	 */
+	public ReactiveStringRedisTemplate(ReactiveRedisConnectionFactory connectionFactory) {
+		this(connectionFactory, RedisSerializationContext.string());
+	}
+
+	/**
+	 * Creates new {@link ReactiveRedisTemplate} using given {@link ReactiveRedisConnectionFactory} and
+	 * {@link RedisSerializationContext}.
+	 *
+	 * @param connectionFactory must not be {@literal null}.
+	 * @param serializationContext must not be {@literal null}.
+	 */
+	public ReactiveStringRedisTemplate(ReactiveRedisConnectionFactory connectionFactory,
+			RedisSerializationContext<String, String> serializationContext) {
+		super(connectionFactory, serializationContext);
+	}
+
+	/**
+	 * Creates new {@link ReactiveRedisTemplate} using given {@link ReactiveRedisConnectionFactory} and
+	 * {@link RedisSerializationContext}.
+	 *
+	 * @param connectionFactory must not be {@literal null}.
+	 * @param serializationContext must not be {@literal null}.
+	 * @param exposeConnection flag indicating to expose the connection used.
+	 */
+	public ReactiveStringRedisTemplate(ReactiveRedisConnectionFactory connectionFactory,
+			RedisSerializationContext<String, String> serializationContext, boolean exposeConnection) {
+		super(connectionFactory, serializationContext, exposeConnection);
+	}
+}