[HUDI-346] Set allowMultipleEmptyLines to false for EmptyLineSeparator rule (#1025)

hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/HoodieROTablePathFilter.java

@@ -64,7 +64,6 @@ public class HoodieROTablePathFilter implements PathFilter, Serializable {
 
   private transient FileSystem fs;
 
-
   public HoodieROTablePathFilter() {
     hoodiePathCache = new HashMap<>();
     nonHoodiePathCache = new HashSet<>();

hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/SafeParquetRecordReaderWrapper.java

@@ -42,7 +42,6 @@ public class SafeParquetRecordReaderWrapper implements RecordReader<NullWritable
   // Number of fields in Value Schema
   private final int numValueFields;
 
-
   public SafeParquetRecordReaderWrapper(RecordReader<NullWritable, ArrayWritable> parquetReader) {
     this.parquetReader = parquetReader;
     ArrayWritable arrayWritable = parquetReader.createValue();

hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieParquetRealtimeInputFormat.java

@@ -150,7 +150,6 @@ public class HoodieParquetRealtimeInputFormat extends HoodieParquetInputFormat i
     return rtSplits.toArray(new InputSplit[rtSplits.size()]);
   }
 
-
   @Override
   public FileStatus[] listStatus(JobConf job) throws IOException {
     // Call the HoodieInputFormat::listStatus to obtain all latest parquet files, based on commit

hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/realtime/HoodieRealtimeFileSplit.java

@@ -73,7 +73,6 @@ public class HoodieRealtimeFileSplit extends FileSplit {
     return new String(bytes, StandardCharsets.UTF_8);
   }
 
-
   @Override
   public void write(DataOutput out) throws IOException {
     super.write(out);

hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/InputFormatTestUtil.java

@@ -113,7 +113,6 @@ public class InputFormatTestUtil {
     return partitionPath;
   }
 
-
   public static File prepareSimpleParquetDataset(TemporaryFolder basePath, Schema schema, int numberOfFiles,
       int numberOfRecords, String commitNumber) throws Exception {
     basePath.create();

hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/TestHoodieROTablePathFilter.java

@@ -32,8 +32,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 
-
 /**
+ *
  */
 public class TestHoodieROTablePathFilter extends HoodieCommonTestHarness {
 

hudi-hadoop-mr/src/test/java/org/apache/hudi/hadoop/TestRecordReaderValueIterator.java

@@ -58,7 +58,6 @@ public class TestRecordReaderValueIterator {
       this.entries = entries;
     }
 
-
     @Override
     public boolean next(IntWritable key, Text value) throws IOException {
       if (currIndex >= entries.size()) {