public void addToMetadata(java.nio.ByteBuffer elem) {
    if (this.metadata == null) {
      this.metadata = new java.util.ArrayList<java.nio.ByteBuffer>();
    }
    this.metadata.add(elem);
  }
Returns true if field fileIds is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/PutFileMetadataRequest.java