Designing the Logical Reference Model

The logical architecture model for the ASCII file resource adapter will be based on the reference model presented in Chapter 4, “Adapter Reference Model.” Only a subset of the modules identified in the logical reference module will be needed for the ASCII file adapter. Figure 11.3 shows the logical architecture for the adapter in terms of the relevant modules. The APIs in the logical model are expressed by a set of Java interfaces that define the primary methods (services) provided by each module in the model. These API are implemented as part of the resource adapter, and will provide the non-JCA contracts for the adapter.

Figure 11.3. Logical architecture model.

Access Layer Modules

The role of access

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