public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case S_INT_STRING:
      if (value == null) {
        unsetSIntString();
      } else {
        setSIntString((java.util.Set<IntString>)value);
      }
      break;

    case A_STRING:
      if (value == null) {
        unsetAString();
      } else {
        setAString((java.lang.String)value);
      }
      break;

    }
  }
Returns true if field aString is set (has been assigned a value) and false otherwise
serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde2/thrift/test/SetIntString.java