Add FinalizeWrite in HoodieCreateHandle for COW tables

hoodie-common/src/main/java/com/uber/hoodie/common/model/HoodieWriteStat.java

@@ -70,6 +70,12 @@ public class HoodieWriteStat implements Serializable {
    */
   private long totalWriteErrors;
 
+  /**
+   * Relative path to the temporary file from the base path.
+   */
+  @Nullable
+  private String tempPath;
+
   /**
    * Following properties are associated only with the result of a Compaction Operation
    */
@@ -198,11 +204,20 @@ public class HoodieWriteStat implements Serializable {
     this.totalRecordsToBeUpdate = totalRecordsToBeUpdate;
   }
 
+  public void setTempPath(String tempPath) {
+    this.tempPath = tempPath;
+  }
+
+  public String getTempPath() {
+    return this.tempPath;
+  }
+
   @Override
   public String toString() {
     return new StringBuilder()
         .append("HoodieWriteStat {")
         .append("path=" + path)
+        .append(", tempPath=" + tempPath)
         .append(", prevCommit='" + prevCommit + '\'')
         .append(", numWrites=" + numWrites)
         .append(", numDeletes=" + numDeletes)

hoodie-common/src/main/java/com/uber/hoodie/common/table/HoodieTableMetaClient.java

@@ -50,6 +50,7 @@ public class HoodieTableMetaClient implements Serializable {
 
   private final transient static Logger log = LogManager.getLogger(HoodieTableMetaClient.class);
   public static String METAFOLDER_NAME = ".hoodie";
+  public static String TEMPFOLDER_NAME = METAFOLDER_NAME + File.separator + ".temp";
 
   private String basePath;
   private transient FileSystem fs;

hoodie-common/src/main/java/com/uber/hoodie/common/util/FSUtils.java

@@ -94,6 +94,10 @@ public class FSUtils {
     return String.format("%s_%d_%s.parquet", fileId, taskPartitionId, commitTime);
   }
 
+  public static String makeTempDataFileName(String partitionPath, String commitTime, int taskPartitionId, String fileId, int stageId, long taskAttemptId) {
+    return String.format("%s_%s_%d_%s_%d_%d.parquet", partitionPath.replace("/", "-"), fileId, taskPartitionId, commitTime, stageId, taskAttemptId);
+  }
+
   public static String maskWithoutFileId(String commitTime, int taskPartitionId) {
     return String.format("*_%s_%s.parquet", taskPartitionId, commitTime);
   }