0000900: Add cabebility for customers to write a own pre- and postprocessing exit for columns in table support

Notes
(0001189) Falk Reichbott (administrator) 2018-08-30 14:51	This service provider interface gives the user the possibility to write there own pre- and post-processing exits for columns as part of the table support in FLAM. It can be used for example to implement own tokenization, masking, encryption, validation algorithm and a lot of other solutions on a data item of a column. The service provider interface can be invoked as one of the pre- or post-processing steps for a column. See example below: read.record(... table(... row(... col(format.fix(...) process.exit(library='libfcpe', function='validate_string', parameter='format=IBAN') process.exit(library='libfcpe', function='mask_string', parameter='offset=4 length=6') process.exit(library='libfcpe', function='add_checksum', parameter='method=crc') type.string(...) )))) The different function can have different parameter strings. All of them depends on the implementation of the column processing exit against this service provider interface specified below.

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