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jiangtian pushed a commit to branch tsFile_v4
in repository https://gitbox.apache.org/repos/asf/tsfile.git


The following commit(s) were added to refs/heads/tsFile_v4 by this push:
     new d2746294 fix spotless
d2746294 is described below

commit d2746294492ea35a4deb408876cb12396a6f4756
Author: Tian Jiang <[email protected]>
AuthorDate: Mon Apr 15 13:10:53 2024 +0800

    fix spotless
---
 .../tsfile/file/metadata/StringArrayDeviceID.java  | 12 ++++--
 .../apache/tsfile/read/TsFileSequenceReader.java   | 13 +++---
 .../java/org/apache/tsfile/read/common/Path.java   |  8 ++--
 .../apache/tsfile/read/common/block/TsBlock.java   |  1 -
 .../org/apache/tsfile/utils/MeasurementGroup.java  |  1 -
 .../java/org/apache/tsfile/write/TsFileWriter.java | 48 +++++++++-------------
 .../write/chunk/AlignedChunkGroupWriterImpl.java   |  1 -
 .../tsfile/write/chunk/IChunkGroupWriter.java      |  1 -
 .../chunk/NonAlignedChunkGroupWriterImpl.java      |  1 -
 .../write/writer/RestorableTsFileIOWriter.java     |  2 +-
 .../apache/tsfile/write/writer/TsFileIOWriter.java |  3 +-
 ...easurementChunkMetadataListMapIteratorTest.java |  1 -
 .../tsfile/read/TsFileSequenceReaderTest.java      |  2 +-
 .../org/apache/tsfile/write/TsFileWriterTest.java  |  3 +-
 14 files changed, 42 insertions(+), 55 deletions(-)

diff --git 
a/tsfile/src/main/java/org/apache/tsfile/file/metadata/StringArrayDeviceID.java 
b/tsfile/src/main/java/org/apache/tsfile/file/metadata/StringArrayDeviceID.java
index c882481f..db4fb7f6 100644
--- 
a/tsfile/src/main/java/org/apache/tsfile/file/metadata/StringArrayDeviceID.java
+++ 
b/tsfile/src/main/java/org/apache/tsfile/file/metadata/StringArrayDeviceID.java
@@ -79,8 +79,10 @@ public class StringArrayDeviceID implements IDeviceID {
     int segmentCnt = 1;
     // split the string with '.', stop when finding enough segments to form a 
table name
     // String.split is not used here to avoid unnecessary string copy
-    for (; currPos < deviceIdString.length()
-        && segmentCnt < TSFileConfig.DEFAULT_SEGMENT_NUM_FOR_TABLE_NAME + 1; 
currPos++) {
+    for (;
+        currPos < deviceIdString.length()
+            && segmentCnt < TSFileConfig.DEFAULT_SEGMENT_NUM_FOR_TABLE_NAME + 
1;
+        currPos++) {
       if (deviceIdString.charAt(currPos) == 
TsFileConstant.PATH_SEPARATOR_CHAR) {
         lastSeparatorPos = currPos;
         segmentCnt++;
@@ -102,8 +104,10 @@ public class StringArrayDeviceID implements IDeviceID {
       // "root.a.b.c" -> {"root.a.b", "c"}
       // "root.a.b.c.d" -> {"root.a.b", "c", "d"}
       tableName = deviceIdString.substring(0, lastSeparatorPos);
-      String[] idSegments = deviceIdString.substring(lastSeparatorPos + 1)
-          .split(TsFileConstant.PATH_SEPARATER_NO_REGEX);
+      String[] idSegments =
+          deviceIdString
+              .substring(lastSeparatorPos + 1)
+              .split(TsFileConstant.PATH_SEPARATER_NO_REGEX);
       segments = new String[idSegments.length + 1];
       segments[0] = tableName;
       System.arraycopy(idSegments, 0, segments, 1, idSegments.length);
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReader.java 
b/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReader.java
index edd7e421..6d45ef72 100644
--- a/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReader.java
+++ b/tsfile/src/main/java/org/apache/tsfile/read/TsFileSequenceReader.java
@@ -69,8 +69,8 @@ import org.apache.tsfile.utils.ReadWriteIOUtils;
 import org.apache.tsfile.utils.TsPrimitiveType;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
 import org.apache.tsfile.write.schema.MeasurementSchema;
-
 import org.apache.tsfile.write.schema.Schema;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -607,8 +607,7 @@ public class TsFileSequenceReader implements AutoCloseable {
   }
 
   private MetadataIndexNode getTableRootNode(String tableName) throws 
IOException {
-    MetadataIndexNode metadataIndexNode =
-        tsFileMetaData.getTableMetadataIndexNode(tableName);
+    MetadataIndexNode metadataIndexNode = 
tsFileMetaData.getTableMetadataIndexNode(tableName);
     if (metadataIndexNode == null && fileVersion < 
TSFileConfig.VERSION_NUMBER) {
       // this file if from an old version, and all its metadata should have an 
anonymous root
       metadataIndexNode = tsFileMetaData.getTableMetadataIndexNode("");
@@ -1889,9 +1888,7 @@ public class TsFileSequenceReader implements 
AutoCloseable {
    */
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity 
warning
   public long selfCheck(
-      Schema schema,
-      List<ChunkGroupMetadata> chunkGroupMetadataList,
-      boolean fastFinish)
+      Schema schema, List<ChunkGroupMetadata> chunkGroupMetadataList, boolean 
fastFinish)
       throws IOException {
     File checkFile = FSFactoryProducer.getFSFactory().getFile(this.file);
     long fileSize;
@@ -2308,8 +2305,8 @@ public class TsFileSequenceReader implements 
AutoCloseable {
    *
    * @return List of ChunkMetaData
    */
-  public List<ChunkMetadata> getChunkMetadataList(IDeviceID deviceID, String 
measurement, boolean ignoreNotExists)
-      throws IOException {
+  public List<ChunkMetadata> getChunkMetadataList(
+      IDeviceID deviceID, String measurement, boolean ignoreNotExists) throws 
IOException {
     TimeseriesMetadata timeseriesMetaData =
         readTimeseriesMetadata(deviceID, measurement, ignoreNotExists);
     if (timeseriesMetaData == null) {
diff --git a/tsfile/src/main/java/org/apache/tsfile/read/common/Path.java 
b/tsfile/src/main/java/org/apache/tsfile/read/common/Path.java
index a188c539..63d02973 100644
--- a/tsfile/src/main/java/org/apache/tsfile/read/common/Path.java
+++ b/tsfile/src/main/java/org/apache/tsfile/read/common/Path.java
@@ -19,13 +19,11 @@
 
 package org.apache.tsfile.read.common;
 
-import org.apache.tsfile.common.conf.TSFileConfig;
 import org.apache.tsfile.common.constant.TsFileConstant;
 import org.apache.tsfile.exception.PathParseException;
 import org.apache.tsfile.file.metadata.IDeviceID;
 import org.apache.tsfile.file.metadata.IDeviceID.Deserializer;
 import org.apache.tsfile.file.metadata.IDeviceID.Factory;
-import org.apache.tsfile.file.metadata.StringArrayDeviceID;
 import org.apache.tsfile.read.common.parser.PathNodesGenerator;
 import org.apache.tsfile.utils.PublicBAOS;
 import org.apache.tsfile.utils.ReadWriteIOUtils;
@@ -132,7 +130,8 @@ public class Path implements Serializable, Comparable<Path> 
{
       this.fullPath = this.device.toString() + TsFileConstant.PATH_SEPARATOR + 
measurement;
     } else if (!StringUtils.isEmpty(device)) {
       String[] deviceNodes = PathNodesGenerator.splitPathToNodes(device);
-      this.device = 
Factory.DEFAULT_FACTORY.create(transformNodesToString(deviceNodes, 
deviceNodes.length));
+      this.device =
+          Factory.DEFAULT_FACTORY.create(transformNodesToString(deviceNodes, 
deviceNodes.length));
       this.measurement = measurement;
       // for aligned path, sensor name for time column is ""
       this.fullPath = device + TsFileConstant.PATH_SEPARATOR + measurement;
@@ -289,7 +288,8 @@ public class Path implements Serializable, Comparable<Path> 
{
     byte isNull = ReadWriteIOUtils.readByte(byteBuffer);
     path.measurement = isNull == 0 ? null : 
ReadWriteIOUtils.readString(byteBuffer);
     isNull = ReadWriteIOUtils.readByte(byteBuffer);
-    path.device = isNull == 0 ? null : 
Deserializer.DEFAULT_DESERIALIZER.deserializeFrom(byteBuffer);
+    path.device =
+        isNull == 0 ? null : 
Deserializer.DEFAULT_DESERIALIZER.deserializeFrom(byteBuffer);
     isNull = ReadWriteIOUtils.readByte(byteBuffer);
     path.fullPath = isNull == 0 ? null : 
ReadWriteIOUtils.readString(byteBuffer);
     return path;
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/read/common/block/TsBlock.java 
b/tsfile/src/main/java/org/apache/tsfile/read/common/block/TsBlock.java
index bd1f1e86..2e88292e 100644
--- a/tsfile/src/main/java/org/apache/tsfile/read/common/block/TsBlock.java
+++ b/tsfile/src/main/java/org/apache/tsfile/read/common/block/TsBlock.java
@@ -30,7 +30,6 @@ import org.apache.tsfile.utils.RamUsageEstimator;
 import org.apache.tsfile.utils.TsPrimitiveType;
 import org.apache.tsfile.write.UnSupportedDataTypeException;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 
 import java.util.Arrays;
 import java.util.Iterator;
diff --git a/tsfile/src/main/java/org/apache/tsfile/utils/MeasurementGroup.java 
b/tsfile/src/main/java/org/apache/tsfile/utils/MeasurementGroup.java
index 16c6880c..84f95f24 100644
--- a/tsfile/src/main/java/org/apache/tsfile/utils/MeasurementGroup.java
+++ b/tsfile/src/main/java/org/apache/tsfile/utils/MeasurementGroup.java
@@ -19,7 +19,6 @@
 package org.apache.tsfile.utils;
 
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 
 import java.io.Serializable;
 import java.util.HashMap;
diff --git a/tsfile/src/main/java/org/apache/tsfile/write/TsFileWriter.java 
b/tsfile/src/main/java/org/apache/tsfile/write/TsFileWriter.java
index a8e00946..0ae5099f 100644
--- a/tsfile/src/main/java/org/apache/tsfile/write/TsFileWriter.java
+++ b/tsfile/src/main/java/org/apache/tsfile/write/TsFileWriter.java
@@ -38,9 +38,7 @@ import org.apache.tsfile.write.record.TSRecord;
 import org.apache.tsfile.write.record.Tablet;
 import org.apache.tsfile.write.record.datapoint.DataPoint;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 import org.apache.tsfile.write.schema.Schema;
-import org.apache.tsfile.write.schema.VectorMeasurementSchema;
 import org.apache.tsfile.write.writer.RestorableTsFileIOWriter;
 import org.apache.tsfile.write.writer.TsFileIOWriter;
 import org.apache.tsfile.write.writer.TsFileOutput;
@@ -58,17 +56,15 @@ import java.util.Map;
 /**
  * TsFileWriter is the entrance for writing processing. It receives a record 
and send it to
  * responding chunk group write. It checks memory size for all writing 
processing along its strategy
- * and flush data stored in memory to OutputStream. At the end of writing, 
user should call
- * {@code close()} method to flush the last data outside and close the normal 
outputStream and error
+ * and flush data stored in memory to OutputStream. At the end of writing, 
user should call {@code
+ * close()} method to flush the last data outside and close the normal 
outputStream and error
  * outputStream.
  */
 public class TsFileWriter implements AutoCloseable {
 
   protected static final TSFileConfig config = 
TSFileDescriptor.getInstance().getConfig();
   private static final Logger LOG = 
LoggerFactory.getLogger(TsFileWriter.class);
-  /**
-   * IO writer of this TsFile.
-   */
+  /** IO writer of this TsFile. */
   private final TsFileIOWriter fileWriter;
 
   private final int pageSize;
@@ -91,9 +87,7 @@ public class TsFileWriter implements AutoCloseable {
 
   private Map<IDeviceID, IChunkGroupWriter> groupWriters = new HashMap<>();
 
-  /**
-   * min value of threshold of data points num check.
-   */
+  /** min value of threshold of data points num check. */
   private long recordCountForNextMemCheck = 100;
 
   private long chunkGroupSizeThreshold;
@@ -121,7 +115,7 @@ public class TsFileWriter implements AutoCloseable {
   /**
    * init this TsFileWriter.
    *
-   * @param file   the File to be written by this TsFileWriter
+   * @param file the File to be written by this TsFileWriter
    * @param schema the schema of this TsFile
    */
   public TsFileWriter(File file, Schema schema) throws IOException {
@@ -141,9 +135,9 @@ public class TsFileWriter implements AutoCloseable {
   /**
    * init this TsFileWriter.
    *
-   * @param file   the File to be written by this TsFileWriter
+   * @param file the File to be written by this TsFileWriter
    * @param schema the schema of this TsFile
-   * @param conf   the configuration of this TsFile
+   * @param conf the configuration of this TsFile
    */
   public TsFileWriter(File file, Schema schema, TSFileConfig conf) throws 
IOException {
     this(new TsFileIOWriter(file), schema, conf);
@@ -153,8 +147,8 @@ public class TsFileWriter implements AutoCloseable {
    * init this TsFileWriter.
    *
    * @param fileWriter the io writer of this TsFile
-   * @param schema     the schema of this TsFile
-   * @param conf       the configuration of this TsFile
+   * @param schema the schema of this TsFile
+   * @param conf the configuration of this TsFile
    */
   protected TsFileWriter(TsFileIOWriter fileWriter, Schema schema, 
TSFileConfig conf)
       throws IOException {
@@ -165,8 +159,7 @@ public class TsFileWriter implements AutoCloseable {
     this.fileWriter = fileWriter;
 
     if (fileWriter instanceof RestorableTsFileIOWriter) {
-      schema =
-          ((RestorableTsFileIOWriter) fileWriter).getKnownSchema();
+      schema = ((RestorableTsFileIOWriter) fileWriter).getKnownSchema();
     }
     fileWriter.setSchema(schema);
 
@@ -213,9 +206,7 @@ public class TsFileWriter implements AutoCloseable {
         
IDeviceID.Factory.DEFAULT_FACTORY.create(devicePath.getDeviceString()), 
measurementSchema);
   }
 
-  /**
-   * Register nonAligned timeseries by single.
-   */
+  /** Register nonAligned timeseries by single. */
   public void registerTimeseries(IDeviceID deviceID, IMeasurementSchema 
measurementSchema)
       throws WriteProcessException {
     MeasurementGroup measurementGroup;
@@ -254,8 +245,8 @@ public class TsFileWriter implements AutoCloseable {
     }
   }
 
-  public void registerAlignedTimeseries(Path devicePath, 
List<IMeasurementSchema> measurementSchemas)
-      throws WriteProcessException {
+  public void registerAlignedTimeseries(
+      Path devicePath, List<IMeasurementSchema> measurementSchemas) throws 
WriteProcessException {
     registerAlignedTimeseries(
         
IDeviceID.Factory.DEFAULT_FACTORY.create(devicePath.getDeviceString()), 
measurementSchemas);
   }
@@ -265,7 +256,8 @@ public class TsFileWriter implements AutoCloseable {
    * expanded.
    */
   public void registerAlignedTimeseries(
-      IDeviceID deviceID, List<IMeasurementSchema> measurementSchemas) throws 
WriteProcessException {
+      IDeviceID deviceID, List<IMeasurementSchema> measurementSchemas)
+      throws WriteProcessException {
     if (getSchema().containsDevice(deviceID)) {
       if (getSchema().getSeriesSchema(deviceID).isAligned()) {
         throw new WriteProcessException(
@@ -407,9 +399,7 @@ public class TsFileWriter implements AutoCloseable {
     }
   }
 
-  /**
-   * Check whether all measurements of dataPoints list are in the 
measurementGroup.
-   */
+  /** Check whether all measurements of dataPoints list are in the 
measurementGroup. */
   private List<IMeasurementSchema> checkIsAllMeasurementsInGroup(
       List<DataPoint> dataPoints, MeasurementGroup measurementGroup, boolean 
isAligned)
       throws NoMeasurementException {
@@ -463,7 +453,7 @@ public class TsFileWriter implements AutoCloseable {
    *
    * @param record - record responding a data line
    * @return true -size of tsfile or metadata reaches the threshold. false - 
otherwise
-   * @throws IOException           exception in IO
+   * @throws IOException exception in IO
    * @throws WriteProcessException exception in write process
    */
   public boolean write(TSRecord record) throws IOException, 
WriteProcessException {
@@ -488,7 +478,7 @@ public class TsFileWriter implements AutoCloseable {
    * write a tablet
    *
    * @param tablet - multiple time series of one device that share a time 
column
-   * @throws IOException           exception in IO
+   * @throws IOException exception in IO
    * @throws WriteProcessException exception in write process
    */
   public boolean write(Tablet tablet) throws IOException, 
WriteProcessException {
@@ -554,7 +544,7 @@ public class TsFileWriter implements AutoCloseable {
    * outputStream.
    *
    * @return true - size of tsfile or metadata reaches the threshold. false - 
otherwise. But this
-   * function just return false, the Override of IoTDB may return true.
+   *     function just return false, the Override of IoTDB may return true.
    * @throws IOException exception in IO
    */
   public boolean flushAllChunkGroups() throws IOException {
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/write/chunk/AlignedChunkGroupWriterImpl.java
 
b/tsfile/src/main/java/org/apache/tsfile/write/chunk/AlignedChunkGroupWriterImpl.java
index 9bea331d..6d8289a8 100644
--- 
a/tsfile/src/main/java/org/apache/tsfile/write/chunk/AlignedChunkGroupWriterImpl.java
+++ 
b/tsfile/src/main/java/org/apache/tsfile/write/chunk/AlignedChunkGroupWriterImpl.java
@@ -32,7 +32,6 @@ import org.apache.tsfile.write.UnSupportedDataTypeException;
 import org.apache.tsfile.write.record.Tablet;
 import org.apache.tsfile.write.record.datapoint.DataPoint;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 import org.apache.tsfile.write.writer.TsFileIOWriter;
 
 import org.slf4j.Logger;
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/write/chunk/IChunkGroupWriter.java 
b/tsfile/src/main/java/org/apache/tsfile/write/chunk/IChunkGroupWriter.java
index e0932474..bc7bc12c 100644
--- a/tsfile/src/main/java/org/apache/tsfile/write/chunk/IChunkGroupWriter.java
+++ b/tsfile/src/main/java/org/apache/tsfile/write/chunk/IChunkGroupWriter.java
@@ -22,7 +22,6 @@ import 
org.apache.tsfile.exception.write.WriteProcessException;
 import org.apache.tsfile.write.record.Tablet;
 import org.apache.tsfile.write.record.datapoint.DataPoint;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 import org.apache.tsfile.write.writer.TsFileIOWriter;
 
 import java.io.IOException;
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/write/chunk/NonAlignedChunkGroupWriterImpl.java
 
b/tsfile/src/main/java/org/apache/tsfile/write/chunk/NonAlignedChunkGroupWriterImpl.java
index 799dc21e..379cb2c2 100644
--- 
a/tsfile/src/main/java/org/apache/tsfile/write/chunk/NonAlignedChunkGroupWriterImpl.java
+++ 
b/tsfile/src/main/java/org/apache/tsfile/write/chunk/NonAlignedChunkGroupWriterImpl.java
@@ -27,7 +27,6 @@ import org.apache.tsfile.write.UnSupportedDataTypeException;
 import org.apache.tsfile.write.record.Tablet;
 import org.apache.tsfile.write.record.datapoint.DataPoint;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-import org.apache.tsfile.write.schema.MeasurementSchema;
 import org.apache.tsfile.write.writer.TsFileIOWriter;
 
 import org.slf4j.Logger;
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/write/writer/RestorableTsFileIOWriter.java
 
b/tsfile/src/main/java/org/apache/tsfile/write/writer/RestorableTsFileIOWriter.java
index 11fecab1..ecbb8bed 100644
--- 
a/tsfile/src/main/java/org/apache/tsfile/write/writer/RestorableTsFileIOWriter.java
+++ 
b/tsfile/src/main/java/org/apache/tsfile/write/writer/RestorableTsFileIOWriter.java
@@ -30,8 +30,8 @@ import org.apache.tsfile.read.TsFileCheckStatus;
 import org.apache.tsfile.read.TsFileSequenceReader;
 import org.apache.tsfile.read.common.Path;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
-
 import org.apache.tsfile.write.schema.Schema;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git 
a/tsfile/src/main/java/org/apache/tsfile/write/writer/TsFileIOWriter.java 
b/tsfile/src/main/java/org/apache/tsfile/write/writer/TsFileIOWriter.java
index c7863f3b..cba27995 100644
--- a/tsfile/src/main/java/org/apache/tsfile/write/writer/TsFileIOWriter.java
+++ b/tsfile/src/main/java/org/apache/tsfile/write/writer/TsFileIOWriter.java
@@ -691,7 +691,8 @@ public class TsFileIOWriter implements AutoCloseable {
       endPosInCMTForDevice.add(tempOutput.getPosition());
       // serialize the device
       // for each device, we only serialize it once, in order to save io
-      writtenSize += ReadWriteIOUtils.write(seriesPath.getDeviceString(), 
tempOutput.wrapAsStream());
+      writtenSize +=
+          ReadWriteIOUtils.write(seriesPath.getDeviceString(), 
tempOutput.wrapAsStream());
     }
     if (isNewPath && !iChunkMetadataList.isEmpty()) {
       // serialize the public info of this measurement
diff --git 
a/tsfile/src/test/java/org/apache/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
 
b/tsfile/src/test/java/org/apache/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
index 5e6f37b6..0dd91bf2 100644
--- 
a/tsfile/src/test/java/org/apache/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
+++ 
b/tsfile/src/test/java/org/apache/tsfile/read/MeasurementChunkMetadataListMapIteratorTest.java
@@ -24,7 +24,6 @@ import org.apache.tsfile.common.conf.TSFileDescriptor;
 import org.apache.tsfile.file.metadata.ChunkMetadata;
 import org.apache.tsfile.file.metadata.IChunkMetadata;
 import org.apache.tsfile.file.metadata.IDeviceID;
-import org.apache.tsfile.read.common.Path;
 import org.apache.tsfile.utils.FileGenerator;
 
 import org.junit.After;
diff --git 
a/tsfile/src/test/java/org/apache/tsfile/read/TsFileSequenceReaderTest.java 
b/tsfile/src/test/java/org/apache/tsfile/read/TsFileSequenceReaderTest.java
index c65a7fdb..4f338baa 100644
--- a/tsfile/src/test/java/org/apache/tsfile/read/TsFileSequenceReaderTest.java
+++ b/tsfile/src/test/java/org/apache/tsfile/read/TsFileSequenceReaderTest.java
@@ -37,8 +37,8 @@ import org.apache.tsfile.utils.TsFileGeneratorUtils;
 import org.apache.tsfile.write.TsFileWriter;
 import org.apache.tsfile.write.schema.IMeasurementSchema;
 import org.apache.tsfile.write.schema.MeasurementSchema;
-
 import org.apache.tsfile.write.schema.Schema;
+
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
diff --git a/tsfile/src/test/java/org/apache/tsfile/write/TsFileWriterTest.java 
b/tsfile/src/test/java/org/apache/tsfile/write/TsFileWriterTest.java
index 7d6c380c..1cef9f91 100644
--- a/tsfile/src/test/java/org/apache/tsfile/write/TsFileWriterTest.java
+++ b/tsfile/src/test/java/org/apache/tsfile/write/TsFileWriterTest.java
@@ -104,7 +104,8 @@ public class TsFileWriterTest {
           new Path("d1"),
           new MeasurementSchema("s1", TSDataType.FLOAT, TSEncoding.RLE, 
CompressionType.SNAPPY));
     } catch (WriteProcessException e) {
-      Assert.assertEquals("given nonAligned timeseries .d1.s1 has been 
registered.", e.getMessage());
+      Assert.assertEquals(
+          "given nonAligned timeseries .d1.s1 has been registered.", 
e.getMessage());
     }
     try {
       List<IMeasurementSchema> schemas = new ArrayList<>();

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