Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2106#discussion_r178210938
--- Diff:
core/src/main/java/org/apache/carbondata/core/datamap/status/DiskBasedDataMapStatusProvider.java
---
@@ -0,0 +1,173 @@
+/*
+ * 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.datamap.status;
+
+import java.io.*;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
+import org.apache.carbondata.core.constants.CarbonCommonConstants;
+import org.apache.carbondata.core.datastore.impl.FileFactory;
+import org.apache.carbondata.core.fileoperations.AtomicFileOperations;
+import org.apache.carbondata.core.fileoperations.AtomicFileOperationsImpl;
+import org.apache.carbondata.core.fileoperations.FileWriteOperation;
+import org.apache.carbondata.core.locks.CarbonLockFactory;
+import org.apache.carbondata.core.locks.CarbonLockUtil;
+import org.apache.carbondata.core.locks.ICarbonLock;
+import org.apache.carbondata.core.locks.LockUsage;
+import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
+import org.apache.carbondata.core.util.CarbonProperties;
+import org.apache.carbondata.core.util.CarbonUtil;
+
+import com.google.gson.Gson;
+
+public class DiskBasedDataMapStatusProvider implements
DataMapStatusStorageProvider {
+
+ private static final LogService LOG =
+
LogServiceFactory.getLogService(DiskBasedDataMapStatusProvider.class.getName());
+
+ private static final String DATAMAP_STATUS_FILE = "datamapstatus";
+
+ @Override public DataMapStatusDetail[] getDataMapStatusDetails() throws
IOException {
--- End diff --
ok
---
