Runtime Configuration 

Use

Before messages can be exchanged at runtime, you must define whether you want to use the Web service runtime or the XI runtime. 

Integration

The ABAP proxy runtime supports the following approaches:

·        XI customers can use the XI runtime to define the receiver or receivers of a message centrally in the Integration Directory. You can then use the integration logic of the Integration Server (routing, mapping, and Business Process Management). (Also see: Configuration).

·        SAP Web AS customers and XI customers can use the Web services runtime to call Web services over the Internet for simple services. You must then configure the receiver locally in the client system. Furthermore, you must encapsulate server proxies as a Web service by using virtual interfaces (see also: Creating a Web Service).

If you require a special protocol, which the other runtime does not provide, it is also possible to support both runtimes in your application program.

Features

Local Runtime Configuration

·        You must create a logical port for client proxies that use the Web Service Runtime. You create this port in the system in which you want to call the client proxy. Call transaction LPCONFIG and activate the Web services infrastructure on the Runtime tab page. Using the logical port, you can define the receiver data and the settings for error handling. It is also possible to create multiple logical ports for a client proxy and then select one of them dynamically.

·        Client proxies that use the XI runtime do not require a logical port. However, you may still want to create a logical port because, for example, a customer wants to be able to switch between the XI runtime and the Web service runtime as required. To set the XI runtime for a port, choose Exchange Infrastructure on the Runtime tab page.

Evaluating at Runtime

You can specify a logical port by using the constructor of a client proxy. The ABAP proxy runtime determines which runtime must be active as follows:

·        If no port is specified and there is no default port, the system assumes that the message is to be sent by using XI.

·        If a port is specified, but it is not available, the system raises an exception. In all other cases, the port settings described above determine the runtime that the system will use to send the message.