cuent commented on a change in pull request #186: [GORA-527] Implement Redis 
datastore 
URL: https://github.com/apache/gora/pull/186#discussion_r316762082
 
 

 ##########
 File path: 
gora-redis/src/main/java/org/apache/gora/redis/query/RedisResult.java
 ##########
 @@ -0,0 +1,111 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.gora.redis.query;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Iterator;
+import org.apache.gora.persistency.impl.PersistentBase;
+import org.apache.gora.query.Query;
+import org.apache.gora.query.impl.ResultBase;
+import org.apache.gora.redis.store.RedisStore;
+import org.apache.gora.store.DataStore;
+
+/**
+ * Redis specific implementation of the {@link org.apache.gora.query.Result}
+ * interface.
+ */
+public class RedisResult<K, T extends PersistentBase> extends ResultBase<K, T> 
{
+
+  private Iterator<String> range;
+  private final int size;
+
+  /**
+   * Gets the data store used
+   *
+   * @return
+   */
+  @Override
+  public RedisStore<K, T> getDataStore() {
+    return (RedisStore<K, T>) super.getDataStore();
+  }
+
+  /**
+   * @param dataStore
+   * @param query
+   * @param rg
+   */
+  public RedisResult(DataStore<K, T> dataStore, Query<K, T> query, 
Collection<String> rg) {//, Scanner scanner) {
+    super(dataStore, query);
+    this.size = rg.size();
+    this.range = rg.iterator();
+  }
+
+  /**
+   * Gets the items reading progress
+   *
+   * @return
+   * @throws java.io.IOException
+   */
+  @Override
+  public float getProgress() throws IOException {
+    if (this.limit != -1) {
+      return (float) this.offset / (float) this.limit;
+    } else {
+      return 0;
+    }
+  }
+
+  @Override
+  public void close() throws IOException {
+  }
+
+  /**
+   * Gets the next item
+   *
+   * @return
+   * @throws java.io.IOException
+   */
+  @Override
+  protected boolean nextInner() throws IOException {
+    if (range == null) {
+      return false;
+    }
+    boolean next = range.hasNext();
+    if (next) {
+      String nextkey = range.next();
+      key = (K) nextkey;
 
 Review comment:
   Support for the new index (ScoredSortedList) is part of the last commit
   

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