public void setTime(long time) {
      this.time = time;
    }
Create tmp target file for inner space compaction, in which all source files has only one tmp
target file.

@param tsFileResources
@param sequence
@return tmp target file, which is xxx.target
@throws IOException
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/tsfile/generator/TsFileNameGenerator.java