public CacheFileMetadataRequestTupleScheme getScheme() {
      return new CacheFileMetadataRequestTupleScheme();
    }
Returns true if field corresponding to fieldID 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/CacheFileMetadataRequest.java