[HUDI-379] Refactor the codes based on new JavadocStyle code style rule (#1079)

hudi-hive/src/main/java/org/apache/hudi/hive/HiveSyncTool.java

@@ -160,7 +160,7 @@ public class HiveSyncTool {
 
   /**
    * Syncs the list of storage parititions passed in (checks if the partition is in hive, if not adds it or if the
-   * partition path does not match, it updates the partition path)
+   * partition path does not match, it updates the partition path).
    */
   private void syncPartitions(List<String> writtenPartitionsSince) {
     try {

hudi-hive/src/main/java/org/apache/hudi/hive/HoodieHiveClient.java

@@ -132,7 +132,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Add the (NEW) partitons to the table
+   * Add the (NEW) partitons to the table.
    */
   void addPartitionsToTable(List<String> partitionsToAdd) {
     if (partitionsToAdd.isEmpty()) {
@@ -145,7 +145,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Partition path has changed - update the path for te following partitions
+   * Partition path has changed - update the path for te following partitions.
    */
   void updatePartitionsToTable(List<String> changedPartitions) {
     if (changedPartitions.isEmpty()) {
@@ -172,7 +172,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Generate Hive Partition from partition values
+   * Generate Hive Partition from partition values.
    *
    * @param partition Partition path
    * @return
@@ -241,7 +241,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Scan table partitions
+   * Scan table partitions.
    */
   public List<Partition> scanTablePartitions() throws TException {
     return client.listPartitions(syncConfig.databaseName, syncConfig.tableName, (short) -1);
@@ -274,7 +274,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Get the table schema
+   * Get the table schema.
    */
   public Map<String, String> getTableSchema() {
     if (syncConfig.useJdbc) {
@@ -428,7 +428,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Read the schema from the log file on path
+   * Read the schema from the log file on path.
    */
   @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
   private MessageType readSchemaFromLogFile(Option<HoodieInstant> lastCompactionCommitOpt, Path path)
@@ -443,7 +443,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Read the parquet schema from a parquet File
+   * Read the parquet schema from a parquet File.
    */
   private MessageType readSchemaFromDataFile(Path parquetFilePath) throws IOException {
     LOG.info("Reading schema from " + parquetFilePath);
@@ -468,7 +468,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Execute a update in hive metastore with this SQL
+   * Execute a update in hive metastore with this SQL.
    *
    * @param s SQL to execute
    */
@@ -490,7 +490,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Execute a update in hive using Hive Driver
+   * Execute a update in hive using Hive Driver.
    *
    * @param sql SQL statement to execute
    */
@@ -663,7 +663,7 @@ public class HoodieHiveClient {
   }
 
   /**
-   * Partition Event captures any partition that needs to be added or updated
+   * Partition Event captures any partition that needs to be added or updated.
    */
   static class PartitionEvent {
 

hudi-hive/src/main/java/org/apache/hudi/hive/NonPartitionedExtractor.java

@@ -22,7 +22,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 /**
- * Extractor for Non-partitioned hive tables
+ * Extractor for Non-partitioned hive tables.
  */
 public class NonPartitionedExtractor implements PartitionValueExtractor {
 

hudi-hive/src/main/java/org/apache/hudi/hive/SchemaDifference.java

@@ -29,7 +29,7 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * Represents the schema difference between the storage schema and hive table schema
+ * Represents the schema difference between the storage schema and hive table schema.
  */
 public class SchemaDifference {
 

hudi-hive/src/main/java/org/apache/hudi/hive/util/SchemaUtil.java

@@ -49,14 +49,14 @@ import java.util.Set;
 import java.util.stream.Collectors;
 
 /**
- * Schema Utilities
+ * Schema Utilities.
  */
 public class SchemaUtil {
 
   private static final Logger LOG = LogManager.getLogger(SchemaUtil.class);
 
   /**
-   * Get the schema difference between the storage schema and hive table schema
+   * Get the schema difference between the storage schema and hive table schema.
    */
   public static SchemaDifference getSchemaDifference(MessageType storageSchema, Map<String, String> tableSchema,
       List<String> partitionKeys) {
@@ -135,7 +135,7 @@ public class SchemaUtil {
   }
 
   /**
-   * Returns equivalent Hive table schema read from a parquet file
+   * Returns equivalent Hive table schema read from a parquet file.
    *
    * @param messageType : Parquet Schema
    * @return : Hive Table schema read from parquet file MAP[String,String]
@@ -158,7 +158,7 @@ public class SchemaUtil {
   }
 
   /**
-   * Convert one field data type of parquet schema into an equivalent Hive schema
+   * Convert one field data type of parquet schema into an equivalent Hive schema.
    *
    * @param parquetType : Single paruet field
    * @return : Equivalent sHive schema
@@ -272,7 +272,7 @@ public class SchemaUtil {
   }
 
   /**
-   * Return a 'struct' Hive schema from a list of Parquet fields
+   * Return a 'struct' Hive schema from a list of Parquet fields.
    *
    * @param parquetFields : list of parquet fields
    * @return : Equivalent 'struct' Hive schema
@@ -324,14 +324,14 @@ public class SchemaUtil {
   }
 
   /**
-   * Create a 'Map' schema from Parquet map field
+   * Create a 'Map' schema from Parquet map field.
    */
   private static String createHiveMap(String keyType, String valueType) {
     return "MAP< " + keyType + ", " + valueType + ">";
   }
 
   /**
-   * Create an Array Hive schema from equivalent parquet list type
+   * Create an Array Hive schema from equivalent parquet list type.
    */
   private static String createHiveArray(Type elementType, String elementName) {
     StringBuilder array = new StringBuilder();
@@ -425,7 +425,7 @@ public class SchemaUtil {
   }
 
   /**
-   * Read the schema from the log file on path
+   * Read the schema from the log file on path.
    * 
    * @return
    */

hudi-hive/src/test/java/org/apache/hudi/hive/TestHiveSyncTool.java

@@ -74,7 +74,7 @@ public class TestHiveSyncTool {
   }
 
   /**
-   * Testing converting array types to Hive field declaration strings, according to the Parquet-113 spec:
+   * Testing converting array types to Hive field declaration strings. According to the Parquet-113 spec:
    * https://github.com/apache/parquet-format/blob/master/LogicalTypes.md#lists
    */
   @Test

hudi-hive/src/test/java/org/apache/hudi/hive/util/HiveTestService.java

@@ -64,7 +64,7 @@ public class HiveTestService {
   private static final int CONNECTION_TIMEOUT = 30000;
 
   /**
-   * Configuration settings
+   * Configuration settings.
    */
   private Configuration hadoopConf;
   private String workDir;