Patent ID: 8326867

Claim:
A method for converting job control files described in job control language to job networks, comprising: adding to a logical expression group a logical expression, a condition part of said logical expression includes a logical product of one or more preceding job control language files, a result part of said logical expression includes an anteceding job control language file, execution of said one or more preceding job control language files being necessary to be completed before execution of said anteceding job control language file is started, if a target job control language file has said one or more preceding job control language files and said target job control language files is regarded as said anteceding job control language file, for each of target job control language files; adding to an initial base file set said target job control language file, if said target job control language file does not have any anteceding job control language file, execution of which is necessary to be completed before execution of said target job control language file is started, for each of the target job control language files; repeating a process, for each of said logical expressions in said logical expression group, in which said preceding job control language file is deleted from said condition part of said logical expression if said preceding job control language file is included in said base file set, and in which said anteceding job control language file is added to said base file set and said logical expression is deleted from said logical expression group if all preceding job control language files have been deleted from said condition part of said logical expression, until the addition of said anteceding job control language file to said base file set and the deletion of said logical expression from said logical expression group become unexecutable; and converting said job control language files included in said base file set into the job networks.