Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1436#discussion_r147680151
--- Diff:
core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/SegmentIndexFileStore.java
---
@@ -0,0 +1,186 @@
+/*
+ * 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.carbondata.core.indexstore.blockletindex;
+
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.*;
+
+import org.apache.carbondata.core.datastore.filesystem.CarbonFile;
+import org.apache.carbondata.core.datastore.filesystem.CarbonFileFilter;
+import org.apache.carbondata.core.datastore.impl.FileFactory;
+import org.apache.carbondata.core.reader.ThriftReader;
+import org.apache.carbondata.core.util.path.CarbonTablePath;
+import org.apache.carbondata.format.MergedBlockIndex;
+import org.apache.carbondata.format.MergedBlockIndexHeader;
+
+import org.apache.thrift.TBase;
+
+/**
+ * This class manages reading of index files with in the segment. The
files it read can be
+ * carbonindex or carbonindexmerge files.
+ */
+public class SegmentIndexFileStore {
+
+ private Map<String, byte[]> carbonIndexMap;
--- End diff --
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