[core] rename NewFilesIncrement to DataIncrement (#3120)

paimon-core/src/main/java/org/apache/paimon/append/AppendOnlyCompactionTask.java

@@ -21,7 +21,7 @@
 import org.apache.paimon.data.BinaryRow;
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMeta;
-import org.apache.paimon.io.NewFilesIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.operation.AppendOnlyFileStoreWrite;
 import org.apache.paimon.table.sink.CommitMessage;
 import org.apache.paimon.table.sink.CommitMessageImpl;
@@ -68,7 +68,7 @@ public CommitMessage doCompact(AppendOnlyFileStoreWrite write) throws Exception
                 partition,
                 0, // bucket 0 is bucket for unaware-bucket table for compatibility with the old
                 // design
-                NewFilesIncrement.emptyIncrement(),
+                DataIncrement.emptyIncrement(),
                 compactIncrement);
     }
 

paimon-core/src/main/java/org/apache/paimon/append/AppendOnlyWriter.java

@@ -29,7 +29,7 @@
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMeta;
 import org.apache.paimon.io.DataFilePathFactory;
-import org.apache.paimon.io.NewFilesIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.RowDataRollingFileWriter;
 import org.apache.paimon.memory.MemoryOwner;
 import org.apache.paimon.memory.MemorySegmentPool;
@@ -235,8 +235,8 @@ private void trySyncLatestCompaction(boolean blocking)
     }
 
     private CommitIncrement drainIncrement() {
-        NewFilesIncrement newFilesIncrement =
-                new NewFilesIncrement(
+        DataIncrement dataIncrement =
+                new DataIncrement(
                         new ArrayList<>(newFiles),
                         new ArrayList<>(deletedFiles),
                         Collections.emptyList());
@@ -251,7 +251,7 @@ private CommitIncrement drainIncrement() {
         compactBefore.clear();
         compactAfter.clear();
 
-        return new CommitIncrement(newFilesIncrement, compactIncrement);
+        return new CommitIncrement(dataIncrement, compactIncrement);
     }
 
     @Override

paimon-core/src/main/java/org/apache/paimon/io/DataFileMeta.java

@@ -230,7 +230,7 @@ public int level() {
      *   <li>Paimon 0.2
      *       <ul>
      *         <li>Stores changelog files for {@link CoreOptions.ChangelogProducer#INPUT}. Changelog
-     *             files are moved to {@link NewFilesIncrement} since Paimon 0.3.
+     *             files are moved to {@link DataIncrement} since Paimon 0.3.
      *       </ul>
      * </ul>
      */

paimon-core/src/main/java/org/apache/paimon/io/NewFilesIncrement.java → paimon-core/src/main/java/org/apache/paimon/io/DataIncrement.java

@@ -24,13 +24,13 @@
 import java.util.stream.Collectors;
 
 /** Newly created data files and changelog files. */
-public class NewFilesIncrement {
+public class DataIncrement {
 
     private final List<DataFileMeta> newFiles;
     private final List<DataFileMeta> deletedFiles;
     private final List<DataFileMeta> changelogFiles;
 
-    public NewFilesIncrement(
+    public DataIncrement(
             List<DataFileMeta> newFiles,
             List<DataFileMeta> deletedFiles,
             List<DataFileMeta> changelogFiles) {
@@ -39,8 +39,8 @@ public NewFilesIncrement(
         this.changelogFiles = changelogFiles;
     }
 
-    public static NewFilesIncrement emptyIncrement() {
-        return new NewFilesIncrement(
+    public static DataIncrement emptyIncrement() {
+        return new DataIncrement(
                 Collections.emptyList(), Collections.emptyList(), Collections.emptyList());
     }
 
@@ -69,7 +69,7 @@ public boolean equals(Object o) {
             return false;
         }
 
-        NewFilesIncrement that = (NewFilesIncrement) o;
+        DataIncrement that = (DataIncrement) o;
         return Objects.equals(newFiles, that.newFiles)
                 && Objects.equals(changelogFiles, that.changelogFiles);
     }

paimon-core/src/main/java/org/apache/paimon/mergetree/MergeTreeWriter.java

@@ -27,8 +27,8 @@
 import org.apache.paimon.disk.IOManager;
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMeta;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.KeyValueFileWriterFactory;
-import org.apache.paimon.io.NewFilesIncrement;
 import org.apache.paimon.io.RollingFileWriter;
 import org.apache.paimon.memory.MemoryOwner;
 import org.apache.paimon.memory.MemorySegmentPool;
@@ -254,8 +254,8 @@ public void sync() throws Exception {
     }
 
     private CommitIncrement drainIncrement() {
-        NewFilesIncrement newFilesIncrement =
-                new NewFilesIncrement(
+        DataIncrement dataIncrement =
+                new DataIncrement(
                         new ArrayList<>(newFiles),
                         new ArrayList<>(deletedFiles),
                         new ArrayList<>(newFilesChangelog));
@@ -272,7 +272,7 @@ private CommitIncrement drainIncrement() {
         compactAfter.clear();
         compactChangelog.clear();
 
-        return new CommitIncrement(newFilesIncrement, compactIncrement);
+        return new CommitIncrement(dataIncrement, compactIncrement);
     }
 
     private void updateCompactResult(CompactResult result) {

paimon-core/src/main/java/org/apache/paimon/migrate/FileMetaUtils.java

@@ -29,7 +29,7 @@
 import org.apache.paimon.fs.Path;
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMeta;
-import org.apache.paimon.io.NewFilesIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.statistics.FieldStatsCollector;
 import org.apache.paimon.stats.BinaryTableStats;
 import org.apache.paimon.stats.FieldStatsArraySerializer;
@@ -86,8 +86,7 @@ public static CommitMessage commitFile(BinaryRow partition, List<DataFileMeta> d
         return new CommitMessageImpl(
                 partition,
                 0,
-                new NewFilesIncrement(
-                        dataFileMetas, Collections.emptyList(), Collections.emptyList()),
+                new DataIncrement(dataFileMetas, Collections.emptyList(), Collections.emptyList()),
                 new CompactIncrement(
                         Collections.emptyList(), Collections.emptyList(), Collections.emptyList()));
     }

paimon-core/src/main/java/org/apache/paimon/table/sink/CommitMessageImpl.java

@@ -21,10 +21,10 @@
 import org.apache.paimon.annotation.VisibleForTesting;
 import org.apache.paimon.data.BinaryRow;
 import org.apache.paimon.io.CompactIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.DataInputViewStreamWrapper;
 import org.apache.paimon.io.DataOutputViewStreamWrapper;
 import org.apache.paimon.io.IndexIncrement;
-import org.apache.paimon.io.NewFilesIncrement;
 
 import java.io.IOException;
 import java.io.ObjectInputStream;
@@ -45,33 +45,33 @@ public class CommitMessageImpl implements CommitMessage {
 
     private transient BinaryRow partition;
     private transient int bucket;
-    private transient NewFilesIncrement newFilesIncrement;
+    private transient DataIncrement dataIncrement;
     private transient CompactIncrement compactIncrement;
     private transient IndexIncrement indexIncrement;
 
     @VisibleForTesting
     public CommitMessageImpl(
             BinaryRow partition,
             int bucket,
-            NewFilesIncrement newFilesIncrement,
+            DataIncrement dataIncrement,
             CompactIncrement compactIncrement) {
         this(
                 partition,
                 bucket,
-                newFilesIncrement,
+                dataIncrement,
                 compactIncrement,
                 new IndexIncrement(Collections.emptyList()));
     }
 
     public CommitMessageImpl(
             BinaryRow partition,
             int bucket,
-            NewFilesIncrement newFilesIncrement,
+            DataIncrement dataIncrement,
             CompactIncrement compactIncrement,
             IndexIncrement indexIncrement) {
         this.partition = partition;
         this.bucket = bucket;
-        this.newFilesIncrement = newFilesIncrement;
+        this.dataIncrement = dataIncrement;
         this.compactIncrement = compactIncrement;
         this.indexIncrement = indexIncrement;
     }
@@ -86,8 +86,8 @@ public int bucket() {
         return bucket;
     }
 
-    public NewFilesIncrement newFilesIncrement() {
-        return newFilesIncrement;
+    public DataIncrement newFilesIncrement() {
+        return dataIncrement;
     }
 
     public CompactIncrement compactIncrement() {
@@ -99,9 +99,7 @@ public IndexIncrement indexIncrement() {
     }
 
     public boolean isEmpty() {
-        return newFilesIncrement.isEmpty()
-                && compactIncrement.isEmpty()
-                && indexIncrement.isEmpty();
+        return dataIncrement.isEmpty() && compactIncrement.isEmpty() && indexIncrement.isEmpty();
     }
 
     private void writeObject(ObjectOutputStream out) throws IOException {
@@ -118,7 +116,7 @@ private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundE
         CommitMessageImpl message = (CommitMessageImpl) CACHE.get().deserialize(version, bytes);
         this.partition = message.partition;
         this.bucket = message.bucket;
-        this.newFilesIncrement = message.newFilesIncrement;
+        this.dataIncrement = message.dataIncrement;
         this.compactIncrement = message.compactIncrement;
         this.indexIncrement = message.indexIncrement;
     }
@@ -135,14 +133,14 @@ public boolean equals(Object o) {
         CommitMessageImpl that = (CommitMessageImpl) o;
         return bucket == that.bucket
                 && Objects.equals(partition, that.partition)
-                && Objects.equals(newFilesIncrement, that.newFilesIncrement)
+                && Objects.equals(dataIncrement, that.dataIncrement)
                 && Objects.equals(compactIncrement, that.compactIncrement)
                 && Objects.equals(indexIncrement, that.indexIncrement);
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(partition, bucket, newFilesIncrement, compactIncrement, indexIncrement);
+        return Objects.hash(partition, bucket, dataIncrement, compactIncrement, indexIncrement);
     }
 
     @Override
@@ -154,6 +152,6 @@ public String toString() {
                         + "newFilesIncrement = %s, "
                         + "compactIncrement = %s, "
                         + "indexIncrement = %s}",
-                partition, bucket, newFilesIncrement, compactIncrement, indexIncrement);
+                partition, bucket, dataIncrement, compactIncrement, indexIncrement);
     }
 }

paimon-core/src/main/java/org/apache/paimon/table/sink/CommitMessageSerializer.java

@@ -22,12 +22,12 @@
 import org.apache.paimon.index.IndexFileMetaSerializer;
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMetaSerializer;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.DataInputDeserializer;
 import org.apache.paimon.io.DataInputView;
 import org.apache.paimon.io.DataOutputView;
 import org.apache.paimon.io.DataOutputViewStreamWrapper;
 import org.apache.paimon.io.IndexIncrement;
-import org.apache.paimon.io.NewFilesIncrement;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -116,7 +116,7 @@ private CommitMessage deserialize(DataInputView view) throws IOException {
         return new CommitMessageImpl(
                 deserializeBinaryRow(view),
                 view.readInt(),
-                new NewFilesIncrement(
+                new DataIncrement(
                         dataFileSerializer.deserializeList(view),
                         dataFileSerializer.deserializeList(view),
                         dataFileSerializer.deserializeList(view)),

paimon-core/src/main/java/org/apache/paimon/utils/CommitIncrement.java

@@ -19,21 +19,21 @@
 package org.apache.paimon.utils;
 
 import org.apache.paimon.io.CompactIncrement;
-import org.apache.paimon.io.NewFilesIncrement;
+import org.apache.paimon.io.DataIncrement;
 
 /** Changes to commit. */
 public class CommitIncrement {
 
-    private final NewFilesIncrement newFilesIncrement;
+    private final DataIncrement dataIncrement;
     private final CompactIncrement compactIncrement;
 
-    public CommitIncrement(NewFilesIncrement newFilesIncrement, CompactIncrement compactIncrement) {
-        this.newFilesIncrement = newFilesIncrement;
+    public CommitIncrement(DataIncrement dataIncrement, CompactIncrement compactIncrement) {
+        this.dataIncrement = dataIncrement;
         this.compactIncrement = compactIncrement;
     }
 
-    public NewFilesIncrement newFilesIncrement() {
-        return newFilesIncrement;
+    public DataIncrement newFilesIncrement() {
+        return dataIncrement;
     }
 
     public CompactIncrement compactIncrement() {
@@ -42,6 +42,6 @@ public CompactIncrement compactIncrement() {
 
     @Override
     public String toString() {
-        return newFilesIncrement.toString() + "\n" + compactIncrement;
+        return dataIncrement.toString() + "\n" + compactIncrement;
     }
 }

paimon-core/src/test/java/org/apache/paimon/index/HashBucketAssignerTest.java

@@ -21,8 +21,8 @@
 import org.apache.paimon.catalog.PrimaryKeyTableTestBase;
 import org.apache.paimon.data.BinaryRow;
 import org.apache.paimon.io.CompactIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.IndexIncrement;
-import org.apache.paimon.io.NewFilesIncrement;
 import org.apache.paimon.table.sink.CommitMessage;
 import org.apache.paimon.table.sink.CommitMessageImpl;
 import org.apache.paimon.table.sink.StreamTableCommit;
@@ -111,7 +111,7 @@ private CommitMessage createCommitMessage(BinaryRow partition, int bucket, Index
         return new CommitMessageImpl(
                 partition,
                 bucket,
-                new NewFilesIncrement(
+                new DataIncrement(
                         Collections.emptyList(), Collections.emptyList(), Collections.emptyList()),
                 new CompactIncrement(
                         Collections.emptyList(), Collections.emptyList(), Collections.emptyList()),

paimon-core/src/test/java/org/apache/paimon/manifest/ManifestCommittableSerializerTest.java

@@ -21,7 +21,7 @@
 import org.apache.paimon.data.BinaryRow;
 import org.apache.paimon.io.CompactIncrement;
 import org.apache.paimon.io.DataFileMeta;
-import org.apache.paimon.io.NewFilesIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.table.sink.CommitMessage;
 import org.apache.paimon.table.sink.CommitMessageImpl;
 
@@ -73,10 +73,10 @@ private static void addFileCommittables(
         List<CommitMessage> commitMessages = new ArrayList<>();
         int length = ThreadLocalRandom.current().nextInt(10) + 1;
         for (int i = 0; i < length; i++) {
-            NewFilesIncrement newFilesIncrement = randomNewFilesIncrement();
+            DataIncrement dataIncrement = randomNewFilesIncrement();
             CompactIncrement compactIncrement = randomCompactIncrement();
             CommitMessage commitMessage =
-                    new CommitMessageImpl(partition, bucket, newFilesIncrement, compactIncrement);
+                    new CommitMessageImpl(partition, bucket, dataIncrement, compactIncrement);
             commitMessages.add(commitMessage);
             committable.addFileCommittable(commitMessage);
         }
@@ -88,8 +88,8 @@ private static void addFileCommittables(
         }
     }
 
-    public static NewFilesIncrement randomNewFilesIncrement() {
-        return new NewFilesIncrement(
+    public static DataIncrement randomNewFilesIncrement() {
+        return new DataIncrement(
                 Arrays.asList(newFile(ID.incrementAndGet(), 0), newFile(ID.incrementAndGet(), 0)),
                 Arrays.asList(newFile(ID.incrementAndGet(), 0), newFile(ID.incrementAndGet(), 0)),
                 Arrays.asList(newFile(ID.incrementAndGet(), 0), newFile(ID.incrementAndGet(), 0)));

paimon-core/src/test/java/org/apache/paimon/table/sink/CommitMessageSerializerTest.java

@@ -19,8 +19,8 @@
 package org.apache.paimon.table.sink;
 
 import org.apache.paimon.io.CompactIncrement;
+import org.apache.paimon.io.DataIncrement;
 import org.apache.paimon.io.IndexIncrement;
-import org.apache.paimon.io.NewFilesIncrement;
 
 import org.junit.jupiter.api.Test;
 
@@ -39,13 +39,12 @@ public class CommitMessageSerializerTest {
     @Test
     public void test() throws IOException {
         CommitMessageSerializer serializer = new CommitMessageSerializer();
-        NewFilesIncrement newFilesIncrement = randomNewFilesIncrement();
+        DataIncrement dataIncrement = randomNewFilesIncrement();
         CompactIncrement compactIncrement = randomCompactIncrement();
         IndexIncrement indexIncrement =
                 new IndexIncrement(Arrays.asList(randomIndexFile(), randomIndexFile()));
         CommitMessageImpl committable =
-                new CommitMessageImpl(
-                        row(0), 1, newFilesIncrement, compactIncrement, indexIncrement);
+                new CommitMessageImpl(row(0), 1, dataIncrement, compactIncrement, indexIncrement);
         CommitMessageImpl newCommittable =
                 (CommitMessageImpl) serializer.deserialize(2, serializer.serialize(committable));
         assertThat(newCommittable.compactIncrement()).isEqualTo(committable.compactIncrement());