IBM BPM, V8.0.1, All platforms > Authoring services in Integration Designer > Services and service-related functions > Building mediation flows > Reusing mediation logic

Adding a mediation subflow in a mediation flow

A mediation subflow is a preconfigured set of mediation primitives that are wired together to realize a common pattern or use case. Mediation subflows can be reused in mediation flows or in subflows.

A subflow must exist either in a dependent library, or in the same module as the mediation flow. You can add a library dependency in the Dependency Editor. Expand the module and click Dependencies to open the Dependency Editor, and click Add to select from the list of available libraries.

To add and configure a subflow instance in a mediation flow, follow these steps:

Procedure

• Add the mediation subflow to the canvas of the mediation flow editor in one of the following ways:

  • From the project tree in the Business Integration view:

    1. In the project that contains the subflow, expand the category Integration Logic > Mediation Subflows.
    2. Locate the subflow that you want to use, and drag it onto the Mediation Flow editor canvas.
  • From the mediation flow editor palette:

    1. In the mediation flow editor, expand the Mediation Subflow category in the palette.

    2. Drag the Mediation Subflow icon

       onto the canvas.

    3. In the Subflow Selection window, choose the subflow that you want to add and click OK to add the subflow to the canvas.

• Wire the subflow instance. By default, a subflow has untyped in and out terminals. If you create a wire to an untyped input terminal, the terminal's type will change to match the type of the terminal to which it is connected. The same behavior occurs for an untyped output terminal. If the terminal type does not match, you will need to add a primitive to transform the message.

• Configure properties of the subflow instance in the Properties view:

  • • The Details tab lists the properties that have been promoted in the subflow implementation. To set the value of a property, select it in the list and clicking Edit.

    • The References tab lists the references of the Service Invoke primitive in the subflow.

    • The Promotable Properties tab lists the properties that have been promoted in the subflow implementation. Use this view to set the alias name or value of a property, or to if you want to change the property at run time. See Promoting properties in a subflow

• Click the subflow instance to open the subflow implementation in the Subflow Editor.

Reusing mediation logic

Related concepts:
Mediation subflows
Mediation subflow limitations

Related tasks:
Create a new mediation subflow
Editing a mediation subflow
Copying part of a mediation flow into a subflow
Use Service Invoke in a subflow
Synchronizing a subflow instance and implementation

Related information:
Promoting properties in a subflow
Changing the input or output message type in a subflow