question: find the _ fields constant that matches fieldid , or null if its not found . concode_field_sep org.apache.thrift.protocol.TField SCRIPT_FIELD_DESC concode_elem_sep String _fieldName concode_elem_sep org.apache.thrift.protocol.TStruct STRUCT_DESC concode_elem_sep short _thriftId concode_elem_sep Map<_Fields,org.apache.thrift.meta_data.FieldMetaData> metaDataMap concode_elem_sep Map<String,_Fields> byName concode_elem_sep String execution_command concode_elem_sep org.apache.thrift.protocol.TField EXECUTION_COMMAND_FIELD_DESC concode_elem_sep String script concode_field_sep void set_execution_command concode_elem_sep _Fields findByThriftIdOrThrow concode_elem_sep void set_script_isSet concode_elem_sep int compareTo concode_elem_sep void set_script concode_elem_sep _Fields fieldForId concode_elem_sep short getThriftFieldId concode_elem_sep Object getFieldValue concode_elem_sep int hashCode concode_elem_sep void write concode_elem_sep void validate concode_elem_sep String get_execution_command concode_elem_sep boolean is_set_execution_command concode_elem_sep void read concode_elem_sep boolean isSet concode_elem_sep void setFieldValue concode_elem_sep void writeObject concode_elem_sep void clear concode_elem_sep void unset_execution_command concode_elem_sep _Fields findByName concode_elem_sep ShellComponent deepCopy concode_elem_sep void readObject concode_elem_sep void unset_script concode_elem_sep boolean equals concode_elem_sep boolean equals concode_elem_sep void set_execution_command_isSet concode_elem_sep boolean is_set_script concode_elem_sep String toString concode_elem_sep String getFieldName concode_elem_sep String get_script
target: _Fields function ( int arg0 ) { switch ( arg0 ) { case 1 : return EXECUTION_COMMAND ; case 2 : return SCRIPT ; default : return null ; } }