adams.flow.transformer.SpreadSheetCollapse
Uses the specified key columns to identify groups of rows. It then collapses these rows into a single one, concatenating the content of the cells. Optionally, duplicate cell values can be omitted.
Flow input/output:
- input: adams.data.spreadsheet.SpreadSheet
- output: adams.data.spreadsheet.SpreadSheet
The logging level for outputting errors and debugging output.
| command-line | -logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> | 
| default | WARNING | 
| min-user-mode | Expert | 
The name of the actor.
| command-line | -name <java.lang.String> | 
| default | SpreadSheetCollapse | 
The annotations to attach to this actor.
| command-line | -annotation <adams.core.base.BaseAnnotation> | 
| default |  | 
If set to true, transformation is skipped and the input token is just forwarded as it is.
| command-line | -skip <boolean> | 
| default | false | 
If set to true, the flow execution at this level gets stopped in case this actor encounters an error; the error gets propagated; useful for critical actors.
| command-line | -stop-flow-on-error <boolean> | 
| default | false | 
| min-user-mode | Expert | 
If enabled, then no errors are output in the console; Note: the enclosing actor handler must have this enabled as well.
| command-line | -silent <boolean> | 
| default | false | 
| min-user-mode | Expert | 
The columns to use as keys for identifying rows in the spreadsheets; if left empty, all rows are used.
| command-line | -key-columns <adams.data.spreadsheet.SpreadSheetColumnRange> | 
| default | first | 
| example | A range is a comma-separated list of single 1-based indices or sub-ranges of indices ('start-end'); 'inv(...)' inverts the range '...'; column names (case-sensitive) as well as the following placeholders can be used: first, second, third, last_2, last_1, last; numeric indices can be enforced by preceding them with '#' (eg '#12'); column names can be surrounded by double quotes. | 
The separator to use when joining cell values.
| command-line | -separator <java.lang.String> | 
| default |  | 
If enabled, duplicate cell values get omitted.
| command-line | -no-duplicates <boolean> | 
| default | false |