public allocateTransactionId_args setTransactionSignature(@org.apache.amoro.shade.thrift.org.apache.thrift.annotation.Nullable java.lang.String transactionSignature) {
      this.transactionSignature = transactionSignature;
      return this;
    }
Returns true if field tableIdentifier is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/AmoroTableMetastore.java