@org.apache.thrift.annotation.Nullable
  public java.util.List<WMMapping> getMappings() {
    return this.mappings;
  }
Returns true if field pools 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/WMFullResourcePlan.java