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

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

@@ -132,7 +132,6 @@ public class HoodieCompactionConfig extends DefaultHoodieConfig {
       return this;
     }
 
-
     public Builder withAutoClean(Boolean autoClean) {
       props.setProperty(AUTO_CLEAN_PROP, String.valueOf(autoClean));
       return this;

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

@@ -74,7 +74,6 @@ public class HoodieMetricsConfig extends DefaultHoodieConfig {
       return this;
     }
 
-
     public Builder on(boolean metricsOn) {
       props.setProperty(METRICS_ON, String.valueOf(metricsOn));
       return this;

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

@@ -147,7 +147,6 @@ public class HoodieWriteConfig extends DefaultHoodieConfig {
     return Integer.parseInt(props.getProperty(ROLLBACK_PARALLELISM));
   }
 
-
   public int getWriteBufferLimitBytes() {
     return Integer.parseInt(props.getProperty(WRITE_BUFFER_LIMIT_BYTES, DEFAULT_WRITE_BUFFER_LIMIT_BYTES));
   }

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

@@ -18,7 +18,6 @@
 
 package org.apache.hudi.exception;
 
-
 /**
  * <p>
  * Exception thrown when dependent system is not available

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

@@ -27,7 +27,6 @@ import org.apache.hudi.config.HoodieWriteConfig;
 import org.apache.hudi.table.HoodieTable;
 import org.apache.spark.api.java.function.Function2;
 
-
 /**
  * Map function that handles a sorted stream of HoodieRecords
  */

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

@@ -52,7 +52,6 @@ public abstract class LazyIterableIterator<I, O> implements Iterable<O>, Iterato
    */
   protected abstract O computeNext();
 
-
   /**
    * Called once, after all elements are processed.
    */

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

@@ -47,7 +47,6 @@ public abstract class HoodieIndex<T extends HoodieRecordPayload> implements Seri
     this.config = config;
   }
 
-
   public static <T extends HoodieRecordPayload> HoodieIndex<T> createIndex(HoodieWriteConfig config,
       JavaSparkContext jsc) throws HoodieIndexException {
     switch (config.getIndexType()) {
@@ -108,7 +107,6 @@ public abstract class HoodieIndex<T extends HoodieRecordPayload> implements Seri
    */
   public abstract boolean canIndexLogFiles();
 
-
   /**
    * An index is "implicit" with respect to storage, if just writing new data to a file slice, updates the index as
    * well. This is used by storage, to save memory footprint in certain cases.

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

@@ -38,7 +38,6 @@ import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.Function;
 import org.apache.spark.api.java.function.Function2;
 
-
 /**
  * Hoodie Index implementation backed by an in-memory Hash map.
  * <p>

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

@@ -268,7 +268,6 @@ public class HoodieBloomIndex<T extends HoodieRecordPayload> extends HoodieIndex
     }
   }
 
-
   @Override
   public boolean rollbackCommit(String commitTime) {
     // Nope, don't need to do anything.

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

@@ -170,7 +170,6 @@ public class HoodieCleanHelper<T extends HoodieRecordPayload<T>> implements Seri
     return deletePaths;
   }
 
-
   /**
    * Selects the versions for file for cleaning, such that it
    * <p>

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

@@ -23,7 +23,6 @@ import org.apache.hudi.common.model.HoodieRecordPayload;
 import org.apache.hudi.config.HoodieWriteConfig;
 import org.apache.hudi.table.HoodieTable;
 
-
 public abstract class HoodieIOHandle<T extends HoodieRecordPayload> {
 
   protected final String instantTime;

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

@@ -86,7 +86,6 @@ public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieWrit
         dataFileToBeMerged);
   }
 
-
   public static Schema createHoodieWriteSchema(Schema originalSchema) {
     return HoodieAvroUtils.addMetadataFields(originalSchema);
   }

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

@@ -16,7 +16,6 @@
  * limitations under the License.
  */
 
-
 package org.apache.hudi.io.compact.strategy;
 
 import com.google.common.annotations.VisibleForTesting;

hudi-client/src/main/java/org/apache/hudi/io/storage/HoodieParquetWriter.java

@@ -51,7 +51,6 @@ public class HoodieParquetWriter<T extends HoodieRecordPayload, R extends Indexe
   private final String commitTime;
   private final Schema schema;
 
-
   public HoodieParquetWriter(String commitTime, Path file, HoodieParquetConfig parquetConfig, Schema schema)
       throws IOException {
     super(HoodieWrapperFileSystem.convertToHoodiePath(file, parquetConfig.getHadoopConf()),

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

@@ -80,7 +80,6 @@ import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.PairFlatMapFunction;
 import scala.Tuple2;
 
-
 /**
  * Implementation of a very heavily read-optimized Hoodie Table where
  * <p>

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

@@ -212,7 +212,6 @@ public class RollbackExecutor implements Serializable {
     return results;
   }
 
-
   private Map<HeaderMetadataType, String> generateHeader(String commit) {
     // generate metadata
     Map<HeaderMetadataType, String> header = Maps.newHashMap();

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

@@ -49,7 +49,6 @@ public class WorkloadProfile<T extends HoodieRecordPayload> implements Serializa
 
   private final WorkloadStat globalStat;
 
-
   public WorkloadProfile(JavaRDD<HoodieRecord<T>> taggedRecords) {
     this.taggedRecords = taggedRecords;
     this.partitionPathStatMap = new HashMap<>();