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- registering method receiver directly for the driver
- currently each driver contains only a single method receiver: - enforcing method receiver pre-registration on go methods driver initialization - Method receiver name can be removed from files format - passing the DbName parameter inside the method receiver for the go methods driver
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,30 +1,39 @@ | ||
| package gomethods | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/dimag-jfrog/migrate/driver" | ||
| "sync" | ||
| ) | ||
|
|
||
| var methodsReceiversMu sync.Mutex | ||
| var methodsReceivers = make(map[string]interface{}) | ||
|
|
||
| // Registers a methods receiver object so it can be created from its name. Users of gomethods migration drivers should | ||
| // call this method to register objects with their migration methods before executing the migration | ||
| func RegisterMethodsReceiver(name string, receiver interface{}) { | ||
| // Registers a methods receiver for go methods driver | ||
| // Users of gomethods migration drivers should call this method | ||
| // to register objects with their migration methods before executing the migration | ||
| func RegisterMethodsReceiverForDriver(driverName string, receiver interface{}) { | ||
| methodsReceiversMu.Lock() | ||
| defer methodsReceiversMu.Unlock() | ||
| if receiver == nil { | ||
| panic("Go methods: Register receiver object is nil") | ||
| } | ||
| if _, dup := methodsReceivers[name]; dup { | ||
| panic("Go methods: Register called twice for receiver " + name) | ||
|
|
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| driver := driver.GetDriver(driverName) | ||
| if driver == nil { | ||
| panic("Go methods: Trying to register receiver for not registered driver " + driverName) | ||
| } | ||
| methodsReceivers[name] = receiver | ||
| } | ||
|
|
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| // Retrieves a registered driver by name | ||
| func GetMethodsReceiver(name string) interface{} { | ||
| methodsReceiversMu.Lock() | ||
| defer methodsReceiversMu.Unlock() | ||
| receiver := methodsReceivers[name] | ||
| return receiver | ||
| methodsDriver, ok := driver.(GoMethodsDriver) | ||
| if !ok { | ||
| panic("Go methods: Trying to register receiver for non go methods driver " + driverName) | ||
| } | ||
|
|
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| if methodsDriver.MethodsReceiver() != nil { | ||
| panic("Go methods: Methods receiver already registered for driver " + driverName) | ||
| } | ||
|
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| if err := methodsDriver.SetMethodsReceiver(receiver); err != nil { | ||
| panic(fmt.Sprintf("Go methods: Failed to set methods receiver for driver %s\nError: %v", | ||
| driverName, err)) | ||
| } | ||
| } |
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