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From GitBox <...@apache.org>
Subject [GitHub] [gora] kamaci commented on a change in pull request #222: GORA-656 Add Hazelcast Imap backed datastore
Date Fri, 14 May 2021 16:45:27 GMT

kamaci commented on a change in pull request #222:
URL: https://github.com/apache/gora/pull/222#discussion_r632660595



##########
File path: gora-hazelcast/src/main/java/org/apache/gora/hazelcast/query/HazelcastResult.java
##########
@@ -0,0 +1,91 @@
+/**
+ * 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.hazelcast.query;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.NavigableSet;
+
+import org.apache.gora.hazelcast.store.HazelcastStore;
+import org.apache.gora.persistency.impl.PersistentBase;
+import org.apache.gora.query.Query;
+import org.apache.gora.query.impl.ResultBase;
+import org.apache.gora.store.DataStore;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * {@link HazelcastResult} is the primary class
+ * responsible for representing result set of a cache manipulation query
+ * {@link HazelcastQuery}
+ */
+public class HazelcastResult<K, T extends PersistentBase> extends ResultBase<K,
T> {
+
+  private static final Logger LOG = LoggerFactory.getLogger(HazelcastResult.class);
+  private NavigableSet<K> cacheKeySet;
+  private Iterator<K> iterator;
+  private int current;
+
+  public HazelcastResult(DataStore<K, T> dataStore, Query<K, T> query) {
+    super(dataStore, query);
+  }
+
+  public HazelcastResult(DataStore<K, T> dataStore, Query<K, T> query, NavigableSet<K>
cacheKeySet) {
+    super(dataStore, query);
+    this.cacheKeySet = cacheKeySet;
+    this.iterator = cacheKeySet.iterator();
+    this.current = 0;
+  }
+
+  public HazelcastStore<K, T> getDataStore() {
+    return (HazelcastStore<K, T>) super.getDataStore();
+  }
+
+  @Override
+  public float getProgress() throws IOException {
+    if (cacheKeySet.size() == 0) {
+      return 1;
+    }
+    float progress = ((float) current / (float) cacheKeySet.size());

Review comment:
       You can inline variable.




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