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Parses an incoming fixed-width text file into rows of column values for a next step to process. Column boundaries are defined by columnWidths, a list of field lengths applied in order to split each line. Lines are read starting at startRow, skipping the first line as a header when startRow is non-zero, and each parsed row is passed on as a single call to the next step; rows where every configured skipIfBlankColumns entry is blank are skipped instead. Setting disabled turns the whole step into a no-op, useful for disabling it without removing its configuration.
Implements: PipelineStep
Properties
| Property | Returns | Description |
|---|---|---|
| columnWidths | List<Integer> | The width, in characters, of each column in a line, applied in order to split each line into fields. Lazily initialised to an empty list if not yet configured. |
| description | String | Human-readable summary of this step, shown to administrators managing the pipeline: that it parses a fixed-width text file into rows. |
| disabled | boolean | Whether this step is disabled, in which case exec() does nothing; a convenient way to turn off a step for debugging without removing its configuration. |
| formPath | String | Path to the Velocity template used by the pipeline management UI to edit this step's configuration. |
| next | PipelineStep | The step that receives each parsed row of values. |
| nextStep | PipelineStep | The step that receives each parsed row of values, same as getNext(). |
| skipIfBlankColumns | List<Integer> | Column indexes which, when all are blank on a row, cause that row to be skipped rather than forwarded to the next step. |
| startRow | int | The zero-indexed row number where line reading begins; when non-zero the first line of the file is skipped as a header. |
Methods
getFormPath()
Returns: String
Path to the Velocity template used by the pipeline management UI to edit this step's configuration.
getDescription()
Returns: String
Human-readable summary of this step, shown to administrators managing the pipeline: that it parses a fixed-width text file into rows.
getNext()
Returns: PipelineStep
The step that receives each parsed row of values.
getNextStep()
Returns: PipelineStep
The step that receives each parsed row of values, same as getNext().
getColumnWidths()
Returns: List<Integer>
The width, in characters, of each column in a line, applied in order to split each line into fields. Lazily initialised to an empty list if not yet configured.
isDisabled()
Returns: boolean
Whether this step is disabled, in which case exec() does nothing; a convenient way to turn off a step for debugging without removing its configuration.
getStartRow()
Returns: int
The zero-indexed row number where line reading begins; when non-zero the first line of the file is skipped as a header.
getSkipIfBlankColumns()
Returns: List<Integer>
Column indexes which, when all are blank on a row, cause that row to be skipped rather than forwarded to the next step.
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