The available data sources for the operator.
The available data sources for the operator. Will be filtered by hadoop / db sources depending on the Custom operator Runtime class.
data sources that the operator could be run on.
Returns a DataSource given its name as a string.
Returns a DataSource given its name as a string.
Returns an Iterator of all the DataSource
Returns an Iterator of all the DataSource
The DataSource used at runtime (there can only be one)
The DataSource used at runtime (there can only be one)
Set the DataSource that will be used at runtime (there can only be one)
Set the DataSource that will be used at runtime (there can only be one)
The DataSource to use at runtime