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

hudi-client/src/main/java/org/apache/hudi/CompactionAdminClient.java

@@ -61,7 +61,7 @@ import java.util.stream.Collectors;
 import static org.apache.hudi.common.table.HoodieTimeline.COMPACTION_ACTION;
 
 /**
- * Client to perform admin operations related to compaction
+ * Client to perform admin operations related to compaction.
  */
 public class CompactionAdminClient extends AbstractHoodieClient {
 
@@ -214,7 +214,7 @@ public class CompactionAdminClient extends AbstractHoodieClient {
   }
 
   /**
-   * Construction Compaction Plan from compaction instant
+   * Construction Compaction Plan from compaction instant.
    */
   private static HoodieCompactionPlan getCompactionPlan(HoodieTableMetaClient metaClient, String compactionInstant)
       throws IOException {
@@ -273,7 +273,7 @@ public class CompactionAdminClient extends AbstractHoodieClient {
   }
 
   /**
-   * Check if a compaction operation is valid
+   * Check if a compaction operation is valid.
    *
    * @param metaClient Hoodie Table Meta client
    * @param compactionInstant Compaction Instant
@@ -342,7 +342,7 @@ public class CompactionAdminClient extends AbstractHoodieClient {
   }
 
   /**
-   * Execute Renaming operation
+   * Execute Renaming operation.
    *
    * @param metaClient HoodieTable MetaClient
    * @param renameActions List of rename operations
@@ -484,7 +484,7 @@ public class CompactionAdminClient extends AbstractHoodieClient {
   }
 
   /**
-   * Holds Operation result for Renaming
+   * Holds Operation result for Renaming.
    */
   public static class RenameOpResult extends OperationResult<RenameInfo> {
 
@@ -505,7 +505,7 @@ public class CompactionAdminClient extends AbstractHoodieClient {
   }
 
   /**
-   * Holds Operation result for Renaming
+   * Holds Operation result for Renaming.
    */
   public static class ValidationOpResult extends OperationResult<CompactionOperation> {
 

hudi-client/src/main/java/org/apache/hudi/HoodieCleanClient.java

@@ -103,7 +103,7 @@ public class HoodieCleanClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Creates a Cleaner plan if there are files to be cleaned and stores them in instant file
+   * Creates a Cleaner plan if there are files to be cleaned and stores them in instant file.
    *
    * @param startCleanTime Cleaner Instant Time
    * @return Cleaner Plan if generated
@@ -133,7 +133,7 @@ public class HoodieCleanClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Executes the Cleaner plan stored in the instant metadata
+   * Executes the Cleaner plan stored in the instant metadata.
    *
    * @param table Hoodie Table
    * @param cleanInstantTs Cleaner Instant Timestamp

hudi-client/src/main/java/org/apache/hudi/HoodieReadClient.java

@@ -145,7 +145,7 @@ public class HoodieReadClient<T extends HoodieRecordPayload> extends AbstractHoo
   }
 
   /**
-   * Given a bunch of hoodie keys, fetches all the individual records out as a data frame
+   * Given a bunch of hoodie keys, fetches all the individual records out as a data frame.
    *
    * @return a dataframe
    */

hudi-client/src/main/java/org/apache/hudi/HoodieWriteClient.java

@@ -159,7 +159,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Upserts a bunch of new records into the Hoodie table, at the supplied commitTime
+   * Upserts a bunch of new records into the Hoodie table, at the supplied commitTime.
    */
   public JavaRDD<WriteStatus> upsert(JavaRDD<HoodieRecord<T>> records, final String commitTime) {
     HoodieTable<T> table = getTableAndInitCtx(OperationType.UPSERT);
@@ -505,14 +505,14 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Commit changes performed at the given commitTime marker
+   * Commit changes performed at the given commitTime marker.
    */
   public boolean commit(String commitTime, JavaRDD<WriteStatus> writeStatuses) {
     return commit(commitTime, writeStatuses, Option.empty());
   }
 
   /**
-   * Commit changes performed at the given commitTime marker
+   * Commit changes performed at the given commitTime marker.
    */
   public boolean commit(String commitTime, JavaRDD<WriteStatus> writeStatuses,
       Option<Map<String, String>> extraMetadata) {
@@ -988,7 +988,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Provides a new commit time for a write operation (insert/update)
+   * Provides a new commit time for a write operation (insert/update).
    */
   public String startCommit() {
     // NOTE : Need to ensure that rollback is done before a new commit is started
@@ -1027,7 +1027,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Schedules a new compaction instant
+   * Schedules a new compaction instant.
    */
   public Option<String> scheduleCompaction(Option<Map<String, String>> extraMetadata) throws IOException {
     String instantTime = HoodieActiveTimeline.createNewCommitTime();
@@ -1037,7 +1037,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Schedules a new compaction instant with passed-in instant time
+   * Schedules a new compaction instant with passed-in instant time.
    *
    * @param instantTime Compaction Instant Time
    * @param extraMetadata Extra Metadata to be stored
@@ -1074,7 +1074,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Performs Compaction for the workload stored in instant-time
+   * Performs Compaction for the workload stored in instant-time.
    *
    * @param compactionInstantTime Compaction Instant Time
    */
@@ -1141,7 +1141,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Cleanup all inflight commits
+   * Cleanup all inflight commits.
    */
   private void rollbackInflightCommits() {
     HoodieTable<T> table = HoodieTable.getHoodieTable(createMetaClient(true), config, jsc);
@@ -1197,7 +1197,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
    */
 
   /**
-   * Ensures compaction instant is in expected state and performs Compaction for the workload stored in instant-time
+   * Ensures compaction instant is in expected state and performs Compaction for the workload stored in instant-time.
    *
    * @param compactionInstantTime Compaction Instant Time
    */
@@ -1226,7 +1226,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Perform compaction operations as specified in the compaction commit file
+   * Perform compaction operations as specified in the compaction commit file.
    *
    * @param compactionInstant Compacton Instant time
    * @param activeTimeline Active Timeline
@@ -1254,7 +1254,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Commit Compaction and track metrics
+   * Commit Compaction and track metrics.
    *
    * @param compactedStatuses Compaction Write status
    * @param table Hoodie Table
@@ -1404,7 +1404,7 @@ public class HoodieWriteClient<T extends HoodieRecordPayload> extends AbstractHo
   }
 
   /**
-   * Refers to different operation types
+   * Refers to different operation types.
    */
   enum OperationType {
     INSERT,

hudi-client/src/main/java/org/apache/hudi/client/embedded/EmbeddedTimelineService.java

@@ -33,7 +33,7 @@ import org.apache.spark.SparkConf;
 import java.io.IOException;
 
 /**
- * Timeline Service that runs as part of write client
+ * Timeline Service that runs as part of write client.
  */
 public class EmbeddedTimelineService {
 
@@ -86,7 +86,7 @@ public class EmbeddedTimelineService {
   }
 
   /**
-   * Retrieves proper view storage configs for remote clients to access this service
+   * Retrieves proper view storage configs for remote clients to access this service.
    */
   public FileSystemViewStorageConfig getRemoteFileSystemViewConfig() {
     return FileSystemViewStorageConfig.newBuilder().withStorageType(FileSystemViewStorageType.REMOTE_FIRST)

hudi-client/src/main/java/org/apache/hudi/client/utils/ClientUtils.java

@@ -26,7 +26,7 @@ import org.apache.spark.api.java.JavaSparkContext;
 public class ClientUtils {
 
   /**
-   * Create Consistency Aware MetaClient
+   * Create Consistency Aware MetaClient.
    *
    * @param jsc JavaSparkContext
    * @param config HoodieWriteConfig

hudi-client/src/main/java/org/apache/hudi/config/HoodieCompactionConfig.java

@@ -33,7 +33,7 @@ import java.io.IOException;
 import java.util.Properties;
 
 /**
- * Compaction related config
+ * Compaction related config.
  */
 @Immutable
 public class HoodieCompactionConfig extends DefaultHoodieConfig {
@@ -55,8 +55,8 @@ public class HoodieCompactionConfig extends DefaultHoodieConfig {
   // By default, treat any file <= 100MB as a small file.
   public static final String DEFAULT_PARQUET_SMALL_FILE_LIMIT_BYTES = String.valueOf(104857600);
   /**
-   * Configs related to specific table types
-   **/
+   * Configs related to specific table types.
+   */
   // Number of inserts, that will be put each partition/bucket for writing
   public static final String COPY_ON_WRITE_TABLE_INSERT_SPLIT_SIZE = "hoodie.copyonwrite.insert" + ".split.size";
   // The rationale to pick the insert parallelism is the following. Writing out 100MB files,

hudi-client/src/main/java/org/apache/hudi/config/HoodieHBaseIndexConfig.java

@@ -34,17 +34,17 @@ public class HoodieHBaseIndexConfig extends DefaultHoodieConfig {
   public static final String HBASE_ZK_ZNODEPARENT = "hoodie.index.hbase.zknode.path";
   /**
    * Note that if HBASE_PUT_BATCH_SIZE_AUTO_COMPUTE_PROP is set to true, this batch size will not be honored for HBase
-   * Puts
+   * Puts.
    */
   public static final String HBASE_PUT_BATCH_SIZE_PROP = "hoodie.index.hbase.put.batch.size";
 
   /**
-   * Property to set which implementation of HBase QPS resource allocator to be used
+   * Property to set which implementation of HBase QPS resource allocator to be used.
    */
   public static final String HBASE_INDEX_QPS_ALLOCATOR_CLASS = "hoodie.index.hbase.qps.allocator.class";
   public static final String DEFAULT_HBASE_INDEX_QPS_ALLOCATOR_CLASS = DefaultHBaseQPSResourceAllocator.class.getName();
   /**
-   * Property to set to enable auto computation of put batch size
+   * Property to set to enable auto computation of put batch size.
    */
   public static final String HBASE_PUT_BATCH_SIZE_AUTO_COMPUTE_PROP = "hoodie.index.hbase.put.batch.size.autocompute";
   public static final String DEFAULT_HBASE_PUT_BATCH_SIZE_AUTO_COMPUTE = "false";
@@ -62,7 +62,7 @@ public class HoodieHBaseIndexConfig extends DefaultHoodieConfig {
    */
   public static String HBASE_MAX_QPS_PER_REGION_SERVER_PROP = "hoodie.index.hbase.max.qps.per.region.server";
   /**
-   * Default batch size, used only for Get, but computed for Put
+   * Default batch size, used only for Get, but computed for Put.
    */
   public static final int DEFAULT_HBASE_BATCH_SIZE = 100;
   /**
@@ -70,17 +70,17 @@ public class HoodieHBaseIndexConfig extends DefaultHoodieConfig {
    */
   public static final int DEFAULT_HBASE_MAX_QPS_PER_REGION_SERVER = 1000;
   /**
-   * Default is 50%, which means a total of 2 jobs can run using HbaseIndex without overwhelming Region Servers
+   * Default is 50%, which means a total of 2 jobs can run using HbaseIndex without overwhelming Region Servers.
    */
   public static final float DEFAULT_HBASE_QPS_FRACTION = 0.5f;
 
   /**
-   * Property to decide if HBASE_QPS_FRACTION_PROP is dynamically calculated based on volume
+   * Property to decide if HBASE_QPS_FRACTION_PROP is dynamically calculated based on volume.
    */
   public static final String HOODIE_INDEX_COMPUTE_QPS_DYNAMICALLY = "hoodie.index.hbase.dynamic_qps";
   public static final boolean DEFAULT_HOODIE_INDEX_COMPUTE_QPS_DYNAMICALLY = false;
   /**
-   * Min and Max for HBASE_QPS_FRACTION_PROP to stabilize skewed volume workloads
+   * Min and Max for HBASE_QPS_FRACTION_PROP to stabilize skewed volume workloads.
    */
   public static final String HBASE_MIN_QPS_FRACTION_PROP = "hoodie.index.hbase.min.qps.fraction";
   public static final String DEFAULT_HBASE_MIN_QPS_FRACTION_PROP = "0.002";
@@ -88,7 +88,7 @@ public class HoodieHBaseIndexConfig extends DefaultHoodieConfig {
   public static final String HBASE_MAX_QPS_FRACTION_PROP = "hoodie.index.hbase.max.qps.fraction";
   public static final String DEFAULT_HBASE_MAX_QPS_FRACTION_PROP = "0.06";
   /**
-   * Hoodie index desired puts operation time in seconds
+   * Hoodie index desired puts operation time in seconds.
    */
   public static final String HOODIE_INDEX_DESIRED_PUTS_TIME_IN_SECS = "hoodie.index.hbase.desired_puts_time_in_secs";
   public static final int DEFAULT_HOODIE_INDEX_DESIRED_PUTS_TIME_IN_SECS = 600;

hudi-client/src/main/java/org/apache/hudi/config/HoodieIndexConfig.java

@@ -29,7 +29,7 @@ import java.util.Properties;
 
 
 /**
- * Indexing related config
+ * Indexing related config.
  */
 @Immutable
 public class HoodieIndexConfig extends DefaultHoodieConfig {

hudi-client/src/main/java/org/apache/hudi/config/HoodieMemoryConfig.java

@@ -29,7 +29,7 @@ import java.io.IOException;
 import java.util.Properties;
 
 /**
- * Memory related config
+ * Memory related config.
  */
 @Immutable
 public class HoodieMemoryConfig extends DefaultHoodieConfig {

hudi-client/src/main/java/org/apache/hudi/config/HoodieStorageConfig.java

@@ -26,7 +26,7 @@ import java.io.IOException;
 import java.util.Properties;
 
 /**
- * Storage related config
+ * Storage related config.
  */
 @Immutable
 public class HoodieStorageConfig extends DefaultHoodieConfig {

hudi-client/src/main/java/org/apache/hudi/config/HoodieWriteConfig.java

@@ -42,7 +42,7 @@ import java.util.Map;
 import java.util.Properties;
 
 /**
- * Class storing configs for the {@link HoodieWriteClient}
+ * Class storing configs for the {@link HoodieWriteClient}.
  */
 @Immutable
 public class HoodieWriteConfig extends DefaultHoodieConfig {
@@ -115,8 +115,8 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * base properties
-   **/
+   * base properties.
+   */
   public String getBasePath() {
     return props.getProperty(BASE_PATH_PROP);
   }
@@ -210,8 +210,8 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * compaction properties
-   **/
+   * compaction properties.
+   */
   public HoodieCleaningPolicy getCleanerPolicy() {
     return HoodieCleaningPolicy.valueOf(props.getProperty(HoodieCompactionConfig.CLEANER_POLICY_PROP));
   }
@@ -297,8 +297,8 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * index properties
-   **/
+   * index properties.
+   */
   public HoodieIndex.IndexType getIndexType() {
     return HoodieIndex.IndexType.valueOf(props.getProperty(HoodieIndexConfig.INDEX_TYPE_PROP));
   }
@@ -417,8 +417,8 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * storage properties
-   **/
+   * storage properties.
+   */
   public long getParquetMaxFileSize() {
     return Long.parseLong(props.getProperty(HoodieStorageConfig.PARQUET_FILE_MAX_BYTES));
   }
@@ -452,8 +452,8 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * metrics properties
-   **/
+   * metrics properties.
+   */
   public boolean isMetricsOn() {
     return Boolean.parseBoolean(props.getProperty(HoodieMetricsConfig.METRICS_ON));
   }
@@ -483,7 +483,7 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
   }
 
   /**
-   * memory configs
+   * memory configs.
    */
   public Double getMaxMemoryFractionPerPartitionMerge() {
     return Double.valueOf(props.getProperty(HoodieMemoryConfig.MAX_MEMORY_FRACTION_FOR_MERGE_PROP));

hudi-client/src/main/java/org/apache/hudi/exception/HoodieAppendException.java

@@ -20,7 +20,7 @@ package org.apache.hudi.exception;
 
 /**
  * <p>
- * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a delta commit
+ * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a delta commit.
  * </p>
  */
 public class HoodieAppendException extends HoodieException {

hudi-client/src/main/java/org/apache/hudi/exception/HoodieCommitException.java

@@ -20,7 +20,7 @@ package org.apache.hudi.exception;
 
 /**
  * <p>
- * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a Commit
+ * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a Commit.
  * </p>
  */
 public class HoodieCommitException extends HoodieException {

hudi-client/src/main/java/org/apache/hudi/exception/HoodieDependentSystemUnavailableException.java

@@ -20,7 +20,7 @@ package org.apache.hudi.exception;
 
 /**
  * <p>
- * Exception thrown when dependent system is not available
+ * Exception thrown when dependent system is not available.
  * </p>
  */
 public class HoodieDependentSystemUnavailableException extends HoodieException {

hudi-client/src/main/java/org/apache/hudi/exception/HoodieInsertException.java

@@ -20,7 +20,7 @@ package org.apache.hudi.exception;
 
 /**
  * <p>
- * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a bulk insert
+ * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a bulk insert.
  * </p>
  */
 public class HoodieInsertException extends HoodieException {

hudi-client/src/main/java/org/apache/hudi/exception/HoodieUpsertException.java

@@ -20,7 +20,7 @@ package org.apache.hudi.exception;
 
 /**
  * <p>
- * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a incremental upsert
+ * Exception thrown for any higher level errors when <code>HoodieClient</code> is doing a incremental upsert.
  * </p>
  */
 public class HoodieUpsertException extends HoodieException {

hudi-client/src/main/java/org/apache/hudi/func/BulkInsertMapFunction.java

@@ -30,7 +30,7 @@ import java.util.Iterator;
 import java.util.List;
 
 /**
- * Map function that handles a sorted stream of HoodieRecords
+ * Map function that handles a sorted stream of HoodieRecords.
  */
 public class BulkInsertMapFunction<T extends HoodieRecordPayload>
     implements Function2<Integer, Iterator<HoodieRecord<T>>, Iterator<List<WriteStatus>>> {

hudi-client/src/main/java/org/apache/hudi/func/CopyOnWriteLazyInsertIterable.java

@@ -122,7 +122,7 @@ public class CopyOnWriteLazyInsertIterable<T extends HoodieRecordPayload>
   }
 
   /**
-   * Consumes stream of hoodie records from in-memory queue and writes to one or more create-handles
+   * Consumes stream of hoodie records from in-memory queue and writes to one or more create-handles.
    */
   protected class CopyOnWriteInsertHandler
       extends BoundedInMemoryQueueConsumer<HoodieInsertValueGenResult<HoodieRecord>, List<WriteStatus>> {

hudi-client/src/main/java/org/apache/hudi/func/LazyIterableIterator.java

@@ -43,7 +43,7 @@ public abstract class LazyIterableIterator<I, O> implements Iterable<O>, Iterato
   }
 
   /**
-   * Called once, before any elements are processed
+   * Called once, before any elements are processed.
    */
   protected abstract void start();
 

hudi-client/src/main/java/org/apache/hudi/index/HoodieIndex.java

@@ -39,7 +39,7 @@ import org.apache.spark.api.java.JavaSparkContext;
 import java.io.Serializable;
 
 /**
- * Base class for different types of indexes to determine the mapping from uuid
+ * Base class for different types of indexes to determine the mapping from uuid.
  */
 public abstract class HoodieIndex<T extends HoodieRecordPayload> implements Serializable {
 

hudi-client/src/main/java/org/apache/hudi/index/InMemoryHashIndex.java

@@ -99,7 +99,7 @@ public class InMemoryHashIndex<T extends HoodieRecordPayload> extends HoodieInde
   }
 
   /**
-   * Only looks up by recordKey
+   * Only looks up by recordKey.
    */
   @Override
   public boolean isGlobal() {

hudi-client/src/main/java/org/apache/hudi/index/bloom/BloomIndexFileInfo.java

@@ -23,7 +23,7 @@ import com.google.common.base.Objects;
 import java.io.Serializable;
 
 /**
- * Metadata about a given file group, useful for index lookup
+ * Metadata about a given file group, useful for index lookup.
  */
 public class BloomIndexFileInfo implements Serializable {
 
@@ -62,7 +62,7 @@ public class BloomIndexFileInfo implements Serializable {
   }
 
   /**
-   * Does the given key fall within the range (inclusive)
+   * Does the given key fall within the range (inclusive).
    */
   public boolean isKeyInRange(String recordKey) {
     return minRecordKey.compareTo(recordKey) <= 0 && maxRecordKey.compareTo(recordKey) >= 0;

hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndex.java

@@ -141,7 +141,7 @@ public class HoodieBloomIndex<T extends HoodieRecordPayload> extends HoodieIndex
 
   /**
    * Lookup the location for each record key and return the pair<record_key,location> for all record keys already
-   * present and drop the record keys if not present
+   * present and drop the record keys if not present.
    */
   private JavaPairRDD<HoodieKey, HoodieRecordLocation> lookupIndex(
       JavaPairRDD<String, String> partitionRecordKeyPairRDD, final JavaSparkContext jsc,
@@ -167,7 +167,7 @@ public class HoodieBloomIndex<T extends HoodieRecordPayload> extends HoodieIndex
   }
 
   /**
-   * Compute the estimated number of bloom filter comparisons to be performed on each file group
+   * Compute the estimated number of bloom filter comparisons to be performed on each file group.
    */
   private Map<String, Long> computeComparisonsPerFileGroup(final Map<String, Long> recordsPerPartition,
       final Map<String, List<BloomIndexFileInfo>> partitionToFileInfo,
@@ -278,7 +278,7 @@ public class HoodieBloomIndex<T extends HoodieRecordPayload> extends HoodieIndex
   }
 
   /**
-   * This is not global, since we depend on the partitionPath to do the lookup
+   * This is not global, since we depend on the partitionPath to do the lookup.
    */
   @Override
   public boolean isGlobal() {

hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieBloomIndexCheckFunction.java

@@ -37,7 +37,7 @@ import java.util.List;
 import scala.Tuple2;
 
 /**
- * Function performing actual checking of RDD partition containing (fileId, hoodieKeys) against the actual files
+ * Function performing actual checking of RDD partition containing (fileId, hoodieKeys) against the actual files.
  */
 public class HoodieBloomIndexCheckFunction
     implements Function2<Integer, Iterator<Tuple2<String, HoodieKey>>, Iterator<List<KeyLookupResult>>> {

hudi-client/src/main/java/org/apache/hudi/index/bloom/HoodieGlobalBloomIndex.java

@@ -106,7 +106,7 @@ public class HoodieGlobalBloomIndex<T extends HoodieRecordPayload> extends Hoodi
 
 
   /**
-   * Tagging for global index should only consider the record key
+   * Tagging for global index should only consider the record key.
    */
   @Override
   protected JavaRDD<HoodieRecord<T>> tagLocationBacktoRecords(

hudi-client/src/main/java/org/apache/hudi/index/bloom/IntervalTreeBasedGlobalIndexFileFilter.java

@@ -36,7 +36,7 @@ class IntervalTreeBasedGlobalIndexFileFilter implements IndexFileFilter {
   private final Set<String> filesWithNoRanges = new HashSet<>();
 
   /**
-   * Instantiates {@link IntervalTreeBasedGlobalIndexFileFilter}
+   * Instantiates {@link IntervalTreeBasedGlobalIndexFileFilter}.
    *
    * @param partitionToFileIndexInfo Map of partition to List of {@link BloomIndexFileInfo}s
    */

hudi-client/src/main/java/org/apache/hudi/index/bloom/IntervalTreeBasedIndexFileFilter.java

@@ -35,7 +35,7 @@ class IntervalTreeBasedIndexFileFilter implements IndexFileFilter {
   private final Map<String, Set<String>> partitionToFilesWithNoRanges = new HashMap<>();
 
   /**
-   * Instantiates {@link IntervalTreeBasedIndexFileFilter}
+   * Instantiates {@link IntervalTreeBasedIndexFileFilter}.
    *
    * @param partitionToFileIndexInfo Map of partition to List of {@link BloomIndexFileInfo}s
    */

hudi-client/src/main/java/org/apache/hudi/index/bloom/KeyLookupResult.java

@@ -21,7 +21,7 @@ package org.apache.hudi.index.bloom;
 import java.util.List;
 
 /**
- * Encapsulates the result from a key lookup
+ * Encapsulates the result from a key lookup.
  */
 public class KeyLookupResult {
 

hudi-client/src/main/java/org/apache/hudi/index/bloom/KeyRangeNode.java

@@ -39,7 +39,7 @@ class KeyRangeNode implements Comparable<KeyRangeNode>, Serializable {
   private KeyRangeNode right = null;
 
   /**
-   * Instantiates a new {@link KeyRangeNode}
+   * Instantiates a new {@link KeyRangeNode}.
    *
    * @param minRecordKey min record key of the index file
    * @param maxRecordKey max record key of the index file

hudi-client/src/main/java/org/apache/hudi/index/bloom/ListBasedGlobalIndexFileFilter.java

@@ -26,7 +26,7 @@ import java.util.Set;
 class ListBasedGlobalIndexFileFilter extends ListBasedIndexFileFilter {
 
   /**
-   * Instantiates {@link ListBasedGlobalIndexFileFilter}
+   * Instantiates {@link ListBasedGlobalIndexFileFilter}.
    *
    * @param partitionToFileIndexInfo Map of partition to List of {@link BloomIndexFileInfo}
    */

hudi-client/src/main/java/org/apache/hudi/index/bloom/ListBasedIndexFileFilter.java

@@ -32,7 +32,7 @@ class ListBasedIndexFileFilter implements IndexFileFilter {
   final Map<String, List<BloomIndexFileInfo>> partitionToFileIndexInfo;
 
   /**
-   * Instantiates {@link ListBasedIndexFileFilter}
+   * Instantiates {@link ListBasedIndexFileFilter}.
    *
    * @param partitionToFileIndexInfo Map of partition to List of {@link BloomIndexFileInfo}
    */

hudi-client/src/main/java/org/apache/hudi/index/hbase/HBaseIndex.java

@@ -67,7 +67,7 @@ import java.util.List;
 import scala.Tuple2;
 
 /**
- * Hoodie Index implementation backed by HBase
+ * Hoodie Index implementation backed by HBase.
  */
 public class HBaseIndex<T extends HoodieRecordPayload> extends HoodieIndex<T> {
 
@@ -89,7 +89,7 @@ public class HBaseIndex<T extends HoodieRecordPayload> extends HoodieIndex<T> {
   private int maxQpsPerRegionServer;
   /**
    * multiPutBatchSize will be computed and re-set in updateLocation if
-   * {@link HoodieIndexConfig.HBASE_PUT_BATCH_SIZE_AUTO_COMPUTE_PROP} is set to true
+   * {@link HoodieIndexConfig.HBASE_PUT_BATCH_SIZE_AUTO_COMPUTE_PROP} is set to true.
    */
   private Integer multiPutBatchSize;
   private Integer numRegionServersForTable;
@@ -150,7 +150,7 @@ public class HBaseIndex<T extends HoodieRecordPayload> extends HoodieIndex<T> {
 
   /**
    * Since we are sharing the HbaseConnection across tasks in a JVM, make sure the HbaseConnectio is closed when JVM
-   * exits
+   * exits.
    */
   private void addShutDownHook() {
     Runtime.getRuntime().addShutdownHook(new Thread() {
@@ -342,7 +342,7 @@ public class HBaseIndex<T extends HoodieRecordPayload> extends HoodieIndex<T> {
   }
 
   /**
-   * Helper method to facilitate performing puts and deletes in Hbase
+   * Helper method to facilitate performing puts and deletes in Hbase.
    */
   private void doPutsAndDeletes(HTable hTable, List<Put> puts, List<Delete> deletes) throws IOException {
     if (puts.size() > 0) {
@@ -500,7 +500,7 @@ public class HBaseIndex<T extends HoodieRecordPayload> extends HoodieIndex<T> {
   }
 
   /**
-   * Only looks up by recordKey
+   * Only looks up by recordKey.
    */
   @Override
   public boolean isGlobal() {

hudi-client/src/main/java/org/apache/hudi/index/hbase/HBaseIndexQPSResourceAllocator.java

@@ -21,7 +21,7 @@ package org.apache.hudi.index.hbase;
 import java.io.Serializable;
 
 /**
- * <code>HBaseIndexQPSResourceAllocator</code> defines methods to manage resource allocation for HBase index operations
+ * <code>HBaseIndexQPSResourceAllocator</code> defines methods to manage resource allocation for HBase index operations.
  */
 public interface HBaseIndexQPSResourceAllocator extends Serializable {
 
@@ -45,7 +45,7 @@ public interface HBaseIndexQPSResourceAllocator extends Serializable {
   float acquireQPSResources(final float desiredQPSFraction, final long numPuts);
 
   /**
-   * This method releases the acquired QPS Fraction
+   * This method releases the acquired QPS Fraction.
    */
   void releaseQPSResources();
 }

hudi-client/src/main/java/org/apache/hudi/io/HoodieAppendHandle.java

@@ -301,7 +301,7 @@ public class HoodieAppendHandle<T extends HoodieRecordPayload> extends HoodieWri
   }
 
   /**
-   * Checks if the number of records have reached the set threshold and then flushes the records to disk
+   * Checks if the number of records have reached the set threshold and then flushes the records to disk.
    */
   private void flushToDiskIfRequired(HoodieRecord record) {
     // Append if max number of records reached to achieve block size

hudi-client/src/main/java/org/apache/hudi/io/HoodieCleanHelper.java

@@ -51,7 +51,7 @@ import java.util.Map;
 import java.util.stream.Collectors;
 
 /**
- * Cleaner is responsible for garbage collecting older files in a given partition path, such that
+ * Cleaner is responsible for garbage collecting older files in a given partition path. Such that
  * <p>
  * 1) It provides sufficient time for existing queries running on older versions, to close
  * <p>
@@ -83,7 +83,8 @@ public class HoodieCleanHelper<T extends HoodieRecordPayload<T>> implements Seri
   }
 
   /**
-   * Returns list of partitions where clean operations needs to be performed
+   * Returns list of partitions where clean operations needs to be performed.
+   *
    * @param newInstantToRetain New instant to be retained after this cleanup operation
    * @return list of partitions to scan for cleaning
    * @throws IOException when underlying file-system throws this exception
@@ -294,7 +295,7 @@ public class HoodieCleanHelper<T extends HoodieRecordPayload<T>> implements Seri
   }
 
   /**
-   * Determine if file slice needed to be preserved for pending compaction
+   * Determine if file slice needed to be preserved for pending compaction.
    * 
    * @param fileSlice File Slice
    * @return true if file slice needs to be preserved, false otherwise.

hudi-client/src/main/java/org/apache/hudi/io/HoodieCommitArchiveLog.java

@@ -64,7 +64,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
- * Archiver to bound the growth of <action>.commit files
+ * Archiver to bound the growth of <action>.commit files.
  */
 public class HoodieCommitArchiveLog {
 
@@ -201,7 +201,7 @@ public class HoodieCommitArchiveLog {
   }
 
   /**
-   * Remove older instants from auxiliary meta folder
+   * Remove older instants from auxiliary meta folder.
    *
    * @param thresholdInstant Hoodie Instant
    * @return success if all eligible file deleted successfully

hudi-client/src/main/java/org/apache/hudi/io/HoodieCreateHandle.java

@@ -77,7 +77,7 @@ public class HoodieCreateHandle<T extends HoodieRecordPayload> extends HoodieWri
   }
 
   /**
-   * Called by the compactor code path
+   * Called by the compactor code path.
    */
   public HoodieCreateHandle(HoodieWriteConfig config, String commitTime, HoodieTable<T> hoodieTable,
       String partitionPath, String fileId, Iterator<HoodieRecord<T>> recordIterator) {
@@ -124,7 +124,7 @@ public class HoodieCreateHandle<T extends HoodieRecordPayload> extends HoodieWri
   }
 
   /**
-   * Writes all records passed
+   * Writes all records passed.
    */
   public void write() {
     try {
@@ -147,7 +147,7 @@ public class HoodieCreateHandle<T extends HoodieRecordPayload> extends HoodieWri
   }
 
   /**
-   * Performs actions to durably, persist the current changes and returns a WriteStatus object
+   * Performs actions to durably, persist the current changes and returns a WriteStatus object.
    */
   @Override
   public WriteStatus close() {

hudi-client/src/main/java/org/apache/hudi/io/HoodieKeyLookupHandle.java

@@ -124,7 +124,7 @@ public class HoodieKeyLookupHandle<T extends HoodieRecordPayload> extends Hoodie
   }
 
   /**
-   * Encapsulates the result from a key lookup
+   * Encapsulates the result from a key lookup.
    */
   public static class KeyLookupResult {
 

hudi-client/src/main/java/org/apache/hudi/io/HoodieMergeHandle.java

@@ -77,7 +77,7 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieWrit
   }
 
   /**
-   * Called by compactor code path
+   * Called by compactor code path.
    */
   public HoodieMergeHandle(HoodieWriteConfig config, String commitTime, HoodieTable<T> hoodieTable,
       Map<String, HoodieRecord<T>> keyToNewRecords, String fileId, HoodieDataFile dataFileToBeMerged) {
@@ -108,7 +108,7 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieWrit
   }
 
   /**
-   * Determines whether we can accept the incoming records, into the current file, depending on
+   * Determines whether we can accept the incoming records, into the current file. Depending on
    * <p>
    * - Whether it belongs to the same partitionPath as existing records - Whether the current file written bytes lt max
    * file size
@@ -139,14 +139,14 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieWrit
   }
 
   /**
-   * Rewrite the GenericRecord with the Schema containing the Hoodie Metadata fields
+   * Rewrite the GenericRecord with the Schema containing the Hoodie Metadata fields.
    */
   protected GenericRecord rewriteRecord(GenericRecord record) {
     return HoodieAvroUtils.rewriteRecord(record, writerSchema);
   }
 
   /**
-   * Extract old file path, initialize StorageWriter and WriteStatus
+   * Extract old file path, initialize StorageWriter and WriteStatus.
    */
   private void init(String fileId, String partitionPath, HoodieDataFile dataFileToBeMerged) {
     logger.info("partitionPath:" + partitionPath + ", fileId to be merged:" + fileId);
@@ -189,7 +189,7 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieWrit
   }
 
   /**
-   * Load the new incoming records in a map and return partitionPath
+   * Load the new incoming records in a map and return partitionPath.
    */
   private String init(String fileId, Iterator<HoodieRecord<T>> newRecordsItr) {
     try {

hudi-client/src/main/java/org/apache/hudi/io/HoodieRangeInfoHandle.java

@@ -28,7 +28,7 @@ import org.apache.hudi.table.HoodieTable;
 import org.apache.hadoop.fs.Path;
 
 /**
- * Extract range information for a given file slice
+ * Extract range information for a given file slice.
  */
 public class HoodieRangeInfoHandle<T extends HoodieRecordPayload> extends HoodieReadHandle<T> {
 

hudi-client/src/main/java/org/apache/hudi/io/HoodieWriteHandle.java

@@ -90,7 +90,7 @@ public abstract class HoodieWriteHandle<T extends HoodieRecordPayload> extends H
   }
 
   /**
-   * Creates an empty marker file corresponding to storage writer path
+   * Creates an empty marker file corresponding to storage writer path.
    *
    * @param partitionPath Partition path
    */
@@ -105,7 +105,7 @@ public abstract class HoodieWriteHandle<T extends HoodieRecordPayload> extends H
   }
 
   /**
-   * THe marker path will be <base-path>/.hoodie/.temp/<instant_ts>/2019/04/25/filename
+   * THe marker path will be <base-path>/.hoodie/.temp/<instant_ts>/2019/04/25/filename.
    */
   private Path makeNewMarkerPath(String partitionPath) {
     Path markerRootPath = new Path(hoodieTable.getMetaClient().getMarkerFolderPath(instantTime));
@@ -123,7 +123,7 @@ public abstract class HoodieWriteHandle<T extends HoodieRecordPayload> extends H
   }
 
   /**
-   * Determines whether we can accept the incoming records, into the current file, depending on
+   * Determines whether we can accept the incoming records, into the current file. Depending on
    * <p>
    * - Whether it belongs to the same partitionPath as existing records - Whether the current file written bytes lt max
    * file size
@@ -154,7 +154,7 @@ public abstract class HoodieWriteHandle<T extends HoodieRecordPayload> extends H
   }
 
   /**
-   * Rewrite the GenericRecord with the Schema containing the Hoodie Metadata fields
+   * Rewrite the GenericRecord with the Schema containing the Hoodie Metadata fields.
    */
   protected GenericRecord rewriteRecord(GenericRecord record) {
     return HoodieAvroUtils.rewriteRecord(record, writerSchema);

hudi-client/src/main/java/org/apache/hudi/io/compact/HoodieCompactor.java

@@ -32,12 +32,12 @@ import java.io.Serializable;
 import java.util.Set;
 
 /**
- * A HoodieCompactor runs compaction on a hoodie table
+ * A HoodieCompactor runs compaction on a hoodie table.
  */
 public interface HoodieCompactor extends Serializable {
 
   /**
-   * Generate a new compaction plan for scheduling
+   * Generate a new compaction plan for scheduling.
    *
    * @param jsc Spark Context
    * @param hoodieTable Hoodie Table
@@ -51,7 +51,7 @@ public interface HoodieCompactor extends Serializable {
       String compactionCommitTime, Set<HoodieFileGroupId> fgIdsInPendingCompactions) throws IOException;
 
   /**
-   * Execute compaction operations and report back status
+   * Execute compaction operations and report back status.
    */
   JavaRDD<WriteStatus> compact(JavaSparkContext jsc, HoodieCompactionPlan compactionPlan, HoodieTable hoodieTable,
       HoodieWriteConfig config, String compactionInstantTime) throws IOException;

hudi-client/src/main/java/org/apache/hudi/io/compact/strategy/BoundedIOCompactionStrategy.java

@@ -28,7 +28,7 @@ import java.util.List;
 
 /**
  * CompactionStrategy which looks at total IO to be done for the compaction (read + write) and limits the list of
- * compactions to be under a configured limit on the IO
+ * compactions to be under a configured limit on the IO.
  *
  * @see CompactionStrategy
  */

hudi-client/src/main/java/org/apache/hudi/io/compact/strategy/CompactionStrategy.java

@@ -116,7 +116,7 @@ public abstract class CompactionStrategy implements Serializable {
   }
 
   /**
-   * Filter the partition paths based on compaction strategy
+   * Filter the partition paths based on compaction strategy.
    * 
    * @param writeConfig
    * @param allPartitionPaths

hudi-client/src/main/java/org/apache/hudi/io/compact/strategy/LogFileSizeBasedCompactionStrategy.java

@@ -32,7 +32,7 @@ import java.util.stream.Collectors;
 
 /**
  * LogFileSizeBasedCompactionStrategy orders the compactions based on the total log files size and limits the
- * compactions within a configured IO bound
+ * compactions within a configured IO bound.
  *
  * @see BoundedIOCompactionStrategy
  * @see CompactionStrategy

hudi-client/src/main/java/org/apache/hudi/metrics/MetricsReporter.java

@@ -26,12 +26,12 @@ import java.io.Closeable;
 public abstract class MetricsReporter {
 
   /**
-   * Push out metrics at scheduled intervals
+   * Push out metrics at scheduled intervals.
    */
   public abstract void start();
 
   /**
-   * Deterministically push out metrics
+   * Deterministically push out metrics.
    */
   public abstract void report();
 

hudi-client/src/main/java/org/apache/hudi/table/HoodieCopyOnWriteTable.java

@@ -84,7 +84,7 @@ import java.util.stream.Collectors;
 import scala.Tuple2;
 
 /**
- * Implementation of a very heavily read-optimized Hoodie Table where
+ * Implementation of a very heavily read-optimized Hoodie Table where.
  * <p>
  * INSERTS - Produce new files, block aligned to desired size (or) Merge with the smallest existing file, to expand it
  * <p>
@@ -273,7 +273,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Generates List of files to be cleaned
+   * Generates List of files to be cleaned.
    * 
    * @param jsc JavaSparkContext
    * @return Cleaner Plan
@@ -389,7 +389,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Delete Inflight instant if enabled
+   * Delete Inflight instant if enabled.
    *
    * @param deleteInstant Enable Deletion of Inflight instant
    * @param activeTimeline Hoodie active timeline
@@ -414,7 +414,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Consumer that dequeues records from queue and sends to Merge Handle
+   * Consumer that dequeues records from queue and sends to Merge Handle.
    */
   private static class UpdateHandler extends BoundedInMemoryQueueConsumer<GenericRecord, Void> {
 
@@ -474,7 +474,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Helper class for a small file's location and its actual size on disk
+   * Helper class for a small file's location and its actual size on disk.
    */
   static class SmallFile implements Serializable {
 
@@ -493,7 +493,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
 
   /**
    * Helper class for an insert bucket along with the weight [0.0, 0.1] that defines the amount of incoming inserts that
-   * should be allocated to the bucket
+   * should be allocated to the bucket.
    */
   class InsertBucket implements Serializable {
 
@@ -512,7 +512,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Helper class for a bucket's type (INSERT and UPDATE) and its file location
+   * Helper class for a bucket's type (INSERT and UPDATE) and its file location.
    */
   class BucketInfo implements Serializable {
 
@@ -530,16 +530,16 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
   }
 
   /**
-   * Packs incoming records to be upserted, into buckets (1 bucket = 1 RDD partition)
+   * Packs incoming records to be upserted, into buckets (1 bucket = 1 RDD partition).
    */
   class UpsertPartitioner extends Partitioner {
 
     /**
-     * List of all small files to be corrected
+     * List of all small files to be corrected.
      */
     List<SmallFile> smallFiles = new ArrayList<SmallFile>();
     /**
-     * Total number of RDD partitions, is determined by total buckets we want to pack the incoming workload into
+     * Total number of RDD partitions, is determined by total buckets we want to pack the incoming workload into.
      */
     private int totalBuckets = 0;
     /**
@@ -560,7 +560,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
     private HashMap<Integer, BucketInfo> bucketInfoMap;
 
     /**
-     * Rolling stats for files
+     * Rolling stats for files.
      */
     protected HoodieRollingStatMetadata rollingStatMetadata;
     protected long averageRecordSize;
@@ -672,7 +672,7 @@ public class HoodieCopyOnWriteTable<T extends HoodieRecordPayload> extends Hoodi
     }
 
     /**
-     * Returns a list of small files in the given partition path
+     * Returns a list of small files in the given partition path.
      */
     protected List<SmallFile> getSmallFiles(String partitionPath) {
 

hudi-client/src/main/java/org/apache/hudi/table/HoodieMergeOnReadTable.java

@@ -201,7 +201,7 @@ public class HoodieMergeOnReadTable<T extends HoodieRecordPayload> extends Hoodi
 
   /**
    * Generate all rollback requests that we need to perform for rolling back this action without actually performing
-   * rolling back
+   * rolling back.
    * 
    * @param jsc JavaSparkContext
    * @param instantToRollback Instant to Rollback

hudi-client/src/main/java/org/apache/hudi/table/HoodieTable.java

@@ -69,7 +69,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
- * Abstract implementation of a HoodieTable
+ * Abstract implementation of a HoodieTable.
  */
 public abstract class HoodieTable<T extends HoodieRecordPayload> implements Serializable {
 
@@ -111,17 +111,17 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   }
 
   /**
-   * Provides a partitioner to perform the upsert operation, based on the workload profile
+   * Provides a partitioner to perform the upsert operation, based on the workload profile.
    */
   public abstract Partitioner getUpsertPartitioner(WorkloadProfile profile);
 
   /**
-   * Provides a partitioner to perform the insert operation, based on the workload profile
+   * Provides a partitioner to perform the insert operation, based on the workload profile.
    */
   public abstract Partitioner getInsertPartitioner(WorkloadProfile profile);
 
   /**
-   * Return whether this HoodieTable implementation can benefit from workload profiling
+   * Return whether this HoodieTable implementation can benefit from workload profiling.
    */
   public abstract boolean isWorkloadProfileNeeded();
 
@@ -138,84 +138,84 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   }
 
   /**
-   * Get the view of the file system for this table
+   * Get the view of the file system for this table.
    */
   public TableFileSystemView getFileSystemView() {
     return new HoodieTableFileSystemView(metaClient, getCompletedCommitsTimeline());
   }
 
   /**
-   * Get the read optimized view of the file system for this table
+   * Get the read optimized view of the file system for this table.
    */
   public TableFileSystemView.ReadOptimizedView getROFileSystemView() {
     return getViewManager().getFileSystemView(metaClient.getBasePath());
   }
 
   /**
-   * Get the real time view of the file system for this table
+   * Get the real time view of the file system for this table.
    */
   public TableFileSystemView.RealtimeView getRTFileSystemView() {
     return getViewManager().getFileSystemView(metaClient.getBasePath());
   }
 
   /**
-   * Get complete view of the file system for this table with ability to force sync
+   * Get complete view of the file system for this table with ability to force sync.
    */
   public SyncableFileSystemView getHoodieView() {
     return getViewManager().getFileSystemView(metaClient.getBasePath());
   }
 
   /**
-   * Get only the completed (no-inflights) commit + deltacommit timeline
+   * Get only the completed (no-inflights) commit + deltacommit timeline.
    */
   public HoodieTimeline getCompletedCommitsTimeline() {
     return metaClient.getCommitsTimeline().filterCompletedInstants();
   }
 
   /**
-   * Get only the completed (no-inflights) commit timeline
+   * Get only the completed (no-inflights) commit timeline.
    */
   public HoodieTimeline getCompletedCommitTimeline() {
     return metaClient.getCommitTimeline().filterCompletedInstants();
   }
 
   /**
-   * Get only the inflights (no-completed) commit timeline
+   * Get only the inflights (no-completed) commit timeline.
    */
   public HoodieTimeline getInflightCommitTimeline() {
     return metaClient.getCommitsTimeline().filterInflightsExcludingCompaction();
   }
 
   /**
-   * Get only the completed (no-inflights) clean timeline
+   * Get only the completed (no-inflights) clean timeline.
    */
   public HoodieTimeline getCompletedCleanTimeline() {
     return getActiveTimeline().getCleanerTimeline().filterCompletedInstants();
   }
 
   /**
-   * Get clean timeline
+   * Get clean timeline.
    */
   public HoodieTimeline getCleanTimeline() {
     return getActiveTimeline().getCleanerTimeline();
   }
 
   /**
-   * Get only the completed (no-inflights) savepoint timeline
+   * Get only the completed (no-inflights) savepoint timeline.
    */
   public HoodieTimeline getCompletedSavepointTimeline() {
     return getActiveTimeline().getSavePointTimeline().filterCompletedInstants();
   }
 
   /**
-   * Get the list of savepoints in this table
+   * Get the list of savepoints in this table.
    */
   public List<String> getSavepoints() {
     return getCompletedSavepointTimeline().getInstants().map(HoodieInstant::getTimestamp).collect(Collectors.toList());
   }
 
   /**
-   * Get the list of data file names savepointed
+   * Get the list of data file names savepointed.
    */
   public Stream<String> getSavepointedDataFiles(String savepointTime) {
     if (!getSavepoints().contains(savepointTime)) {
@@ -237,26 +237,26 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   }
 
   /**
-   * Return the index
+   * Return the index.
    */
   public HoodieIndex<T> getIndex() {
     return index;
   }
 
   /**
-   * Perform the ultimate IO for a given upserted (RDD) partition
+   * Perform the ultimate IO for a given upserted (RDD) partition.
    */
   public abstract Iterator<List<WriteStatus>> handleUpsertPartition(String commitTime, Integer partition,
       Iterator<HoodieRecord<T>> recordIterator, Partitioner partitioner);
 
   /**
-   * Perform the ultimate IO for a given inserted (RDD) partition
+   * Perform the ultimate IO for a given inserted (RDD) partition.
    */
   public abstract Iterator<List<WriteStatus>> handleInsertPartition(String commitTime, Integer partition,
       Iterator<HoodieRecord<T>> recordIterator, Partitioner partitioner);
 
   /**
-   * Schedule compaction for the instant time
+   * Schedule compaction for the instant time.
    * 
    * @param jsc Spark Context
    * @param instantTime Instant Time for scheduling compaction
@@ -265,7 +265,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   public abstract HoodieCompactionPlan scheduleCompaction(JavaSparkContext jsc, String instantTime);
 
   /**
-   * Run Compaction on the table. Compaction arranges the data so that it is optimized for data access
+   * Run Compaction on the table. Compaction arranges the data so that it is optimized for data access.
    *
    * @param jsc Spark Context
    * @param compactionInstantTime Instant Time
@@ -275,7 +275,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
       HoodieCompactionPlan compactionPlan);
 
   /**
-   * Generates list of files that are eligible for cleaning
+   * Generates list of files that are eligible for cleaning.
    * 
    * @param jsc Java Spark Context
    * @return Cleaner Plan containing list of files to be deleted.
@@ -283,7 +283,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   public abstract HoodieCleanerPlan scheduleClean(JavaSparkContext jsc);
 
   /**
-   * Cleans the files listed in the cleaner plan associated with clean instant
+   * Cleans the files listed in the cleaner plan associated with clean instant.
    * 
    * @param jsc Java Spark Context
    * @param cleanInstant Clean Instant
@@ -300,7 +300,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
       throws IOException;
 
   /**
-   * Finalize the written data onto storage. Perform any final cleanups
+   * Finalize the written data onto storage. Perform any final cleanups.
    *
    * @param jsc Spark Context
    * @param stats List of HoodieWriteStats
@@ -312,7 +312,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   }
 
   /**
-   * Delete Marker directory corresponding to an instant
+   * Delete Marker directory corresponding to an instant.
    * 
    * @param instantTs Instant Time
    */
@@ -409,7 +409,7 @@ public abstract class HoodieTable<T extends HoodieRecordPayload> implements Seri
   }
 
   /**
-   * Ensures all files passed either appear or disappear
+   * Ensures all files passed either appear or disappear.
    * 
    * @param jsc JavaSparkContext
    * @param groupByPartition Files grouped by partition

hudi-client/src/main/java/org/apache/hudi/table/RollbackExecutor.java

@@ -51,7 +51,7 @@ import java.util.Map;
 import scala.Tuple2;
 
 /**
- * Performs Rollback of Hoodie Tables
+ * Performs Rollback of Hoodie Tables.
  */
 public class RollbackExecutor implements Serializable {
 
@@ -143,7 +143,7 @@ public class RollbackExecutor implements Serializable {
   }
 
   /**
-   * Helper to merge 2 rollback-stats for a given partition
+   * Helper to merge 2 rollback-stats for a given partition.
    *
    * @param stat1 HoodieRollbackStat
    * @param stat2 HoodieRollbackStat
@@ -177,7 +177,7 @@ public class RollbackExecutor implements Serializable {
   }
 
   /**
-   * Common method used for cleaning out parquet files under a partition path during rollback of a set of commits
+   * Common method used for cleaning out parquet files under a partition path during rollback of a set of commits.
    */
   private Map<FileStatus, Boolean> deleteCleanedFiles(HoodieTableMetaClient metaClient, HoodieWriteConfig config,
       Map<FileStatus, Boolean> results, String partitionPath, PathFilter filter) throws IOException {
@@ -193,7 +193,7 @@ public class RollbackExecutor implements Serializable {
   }
 
   /**
-   * Common method used for cleaning out parquet files under a partition path during rollback of a set of commits
+   * Common method used for cleaning out parquet files under a partition path during rollback of a set of commits.
    */
   private Map<FileStatus, Boolean> deleteCleanedFiles(HoodieTableMetaClient metaClient, HoodieWriteConfig config,
       Map<FileStatus, Boolean> results, String commit, String partitionPath) throws IOException {

hudi-client/src/main/java/org/apache/hudi/table/RollbackRequest.java

@@ -22,39 +22,39 @@ import org.apache.hudi.common.table.timeline.HoodieInstant;
 import org.apache.hudi.common.util.Option;
 
 /**
- * Request for performing one rollback action
+ * Request for performing one rollback action.
  */
 public class RollbackRequest {
 
   /**
-   * Rollback Action Types
+   * Rollback Action Types.
    */
   public enum RollbackAction {
     DELETE_DATA_FILES_ONLY, DELETE_DATA_AND_LOG_FILES, APPEND_ROLLBACK_BLOCK
   }
 
   /**
-   * Partition path that needs to be rolled-back
+   * Partition path that needs to be rolled-back.
    */
   private final String partitionPath;
 
   /**
-   * Rollback Instant
+   * Rollback Instant.
    */
   private final HoodieInstant rollbackInstant;
 
   /**
-   * FileId in case of appending rollback block
+   * FileId in case of appending rollback block.
    */
   private final Option<String> fileId;
 
   /**
-   * Latest base instant needed for appending rollback block instant
+   * Latest base instant needed for appending rollback block instant.
    */
   private final Option<String> latestBaseInstant;
 
   /**
-   * Rollback Action
+   * Rollback Action.
    */
   private final RollbackAction rollbackAction;
 

hudi-client/src/main/java/org/apache/hudi/table/WorkloadProfile.java

@@ -33,19 +33,19 @@ import java.util.Set;
 import scala.Tuple2;
 
 /**
- * Information about incoming records for upsert/insert obtained either via sampling or introspecting the data fully
+ * Information about incoming records for upsert/insert obtained either via sampling or introspecting the data fully.
  * <p>
  * TODO(vc): Think about obtaining this directly from index.tagLocation
  */
 public class WorkloadProfile<T extends HoodieRecordPayload> implements Serializable {
 
   /**
-   * Input workload
+   * Input workload.
    */
   private final JavaRDD<HoodieRecord<T>> taggedRecords;
 
   /**
-   * Computed workload profile
+   * Computed workload profile.
    */
   private final HashMap<String, WorkloadStat> partitionPathStatMap;