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Exceptions

FIGURE 15. REPORTIF and SELECTIF Exception Processing

@----------------- | Read another @---------->| record from the |<---------- |

<--- <---

| | | | | | | | | | | | | | | | | | | % | EDS - - - - - - - - ^ - - - - - - - - | % | ! @----------------- | Apply SELECTIF | Ignore | filter (if any) {----------- | to the record %--------^-------- | | ! Pass @---------------- | | | | COMBINE record into a multi- | interval - | - - - - - - - ^ - - - - - - - | | ! @----------------- Y e s | A r e t h e r e m o r e | | | % - - - - - - - - - - - } r e c o r d s t o b e | COMBINEd? %--------^--------

| | | | | |

| ! No @-----------------

| | | | interval % - - - - - - - - ^ - - - - - - - - Apply REPORTIF filter (if any) to the multi-

| Ignore {----------------- | |

| | | | | | | | | | | | | | | | | | | | | | | | | | |

| ! Pass @----------------- | D I S P L A Y t h e d a t a | { - - - - - - - - - - - - - - - - - - - - - - | | (if any h | survived) ave

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

%-----------------

COMBINEd records are kept in memory and are not part of the EDS. They are built and displayed as combined intervals so that the loop back to the EDS from the REPORTIF block is issued after the multi-interval has been tested. This saves both resources and processing time.

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