com.legstar.base.visitor

Interface FromCobolChoiceStrategy

All Known Implementing Classes:

DefaultFromCobolChoiceStrategy

public interface FromCobolChoiceStrategy

Method Summary

Modifier and Type	Method and Description
CobolType	choose(String choiceFieldName, CobolChoiceType choiceType, Map<String,Object> variables, byte[] hostData, int start, int length) Select one alternative in choices.
Set<String>	getVariableNames() Provides a list of variable names whose values are to be collected before the choice is reached.

Method Detail

choose

CobolType choose(String choiceFieldName,
                 CobolChoiceType choiceType,
                 Map<String,Object> variables,
                 byte[] hostData,
                 int start,
                 int length)

Select one alternative in choices.

Parameters:

choiceFieldName - the choice field name in the parent structure.

choiceType - the choice field type

variables - contains all custom variables values collected before reaching the choice

hostData - the host data

start - the start position within the host data for the entire parent structure

length - how many bytes of hostData contains actual data to process

Returns:

a selected alternative or null if unable to select one

getVariableNames

Set<String> getVariableNames()

Provides a list of variable names whose values are to be collected before the choice is reached. These values are needed to make the alternative choice decision.

Returns:

list of variable names whose values are to be collected