| 162 | } |
| 163 | |
| 164 | func (w Workers) add(jobArgs JobArgs, workUnitFactory workunit.WorkUnitFactory) error { |
| 165 | checkRegistered := func(kind string) error { |
| 166 | if _, ok := w.workersMap[kind]; ok { |
| 167 | return fmt.Errorf("worker for kind %q is already registered", kind) |
| 168 | } |
| 169 | return nil |
| 170 | } |
| 171 | |
| 172 | workerInfo := workerInfo{ |
| 173 | jobArgs: jobArgs, |
| 174 | workUnitFactory: workUnitFactory, |
| 175 | } |
| 176 | |
| 177 | kind := jobArgs.Kind() |
| 178 | if err := checkRegistered(kind); err != nil { |
| 179 | return err |
| 180 | } |
| 181 | w.workersMap[kind] = workerInfo |
| 182 | |
| 183 | // Jobs can register an alternate kind to make renaming easier. |
| 184 | if jobArgsWithKindAliases, ok := jobArgs.(JobArgsWithKindAliases); ok { |
| 185 | for _, kind := range jobArgsWithKindAliases.KindAliases() { |
| 186 | if err := checkRegistered(kind); err != nil { |
| 187 | return err |
| 188 | } |
| 189 | w.workersMap[kind] = workerInfo |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | return nil |
| 194 | } |
| 195 | |
| 196 | // workFunc implements JobArgs and is used to wrap a function given to WorkFunc. |
| 197 | type workFunc[T JobArgs] struct { |