IOperationServiceCallExternalOperation Method |
Calls an operation which is implemented in another plugin.
Namespace: Resto.Front.Api
Assembly: Resto.Front.Api.V6 (in Resto.Front.Api.V6.dll)
SyntaxC#
byte[] CallExternalOperation( string serviceName, string operationName, byte[] request )
Parameters
- serviceName
- Type: SystemString
Name of the external service which is implemented in another plugin. That name have to be pre-shared with consumer plugins. - operationName
- Type: SystemString
Name of the external operation which is implemented in another plugin and have been registered using RegisterExternalOperation(String, String, RemotableFuncByte, Byte). That name have to be pre-shared between producer and consumer plugins. - request
- Type: SystemByte
The data which will be transferred as an incoming argument into the external operation.
Return Value
Type: ByteResponse returned by the producer plugin.
Exceptions| Exception | Condition |
|---|---|
| ExternalOperationFailedException | When an external operation throws any kind of exception, caller receives the ExternalOperationFailedException with original message. Orignal stacktrace can be found in api.log. |
Remarks
Different plugins running under the same iikoFront application instance can communicate via external operations. iikoFront just transfers requests and responses between plugins without knowing any details. Both producer and consumer plugins should understand the data structure, developers should negotiate a protocol specification, pre-share operation names, handle versioning and so on. Producer plugin registers an operation using RegisterExternalOperation(String, String, RemotableFuncByte, Byte) and consumer plugin call it using CallExternalOperation(String, String, Byte).
See Also