+ add Tuple default implementation

spring-datastore-redis/src/main/java/org/springframework/datastore/redis/connection/DefaultTuple.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2010 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.datastore.redis.connection;
+
+import org.springframework.datastore.redis.connection.RedisZSetCommands.Tuple;
+
+/**
+ * Default implementation for {@link Tuple} interface.
+ * 
+ * @author Costin Leau
+ */
+public class DefaultTuple implements Tuple {
+
+	private final Double score;
+	private final String value;
+
+
+	/**
+	 * Constructs a new <code>DefaultTuple</code> instance.
+	 *
+	 * @param value
+	 * @param score
+	 */
+	public DefaultTuple(String value, Double score) {
+		this.score = score;
+		this.value = value;
+	}
+
+	@Override
+	public Double getScore() {
+		return score;
+	}
+
+	@Override
+	public String getValue() {
+		return value;
+	}
+}