Levels in Integration Services in Java

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Levels in Integration Services
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Using dashboards, the global process supervision system provides users with information about what the process is doing, and its current advancement at the steplevel. It must also detect processes that do not respect the constraints of execution timeframes defined during modeling (Figure 3.42). It posts alerts to business specialists and operators so that they can intervene in case of incidents.
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Figure 3.42. Supervision of the processes ( Axway, 2006)
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Figure 3.43. Example of BAM dashboard ( Axway, 2006)
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As we have previously mentioned (see section 2.7), BPM is closely associated with Business Activity Monitoring. BAM gives users real-time indicators for evaluating the efficiency of enterprise processes, and takes account of the context to alert users in case of abnormal activity. The BAM system is continuously input, in particular by the process execution engine, and provides users with information on what is happening globally in enterprise activity (Figure 3.43). 3.4. Business process and integration: mediation and exchange Both the roles for the different levels of service and the interactions for each service must be defined. Indeed, they are often confused: a business process can be considered wrongly as an orchestrator of integration activities, such as file flow transport or mass transformation; an integration layer can pass itself off as a process instance orchestrator which it is not. Clarification is required then, given that this confusion is sometimes fostered by certain application integration solution providers. In their offerings, under the same formalism and the same data entry screen, they group both the content of an integration and the modeling of the business process. However, neither the rhythms of modification, nor the user profiles, nor the technical and business preoccupations are the same. 3.4.1. Business process level and integration level If we refer back to our classification of integration problem types, then propagating data and ensuring its consistency essentially require functions for transporting and adapting information (transformation/routing). For simplicity, we refer to these functions as the integration level. We will use the term business process level to refer to the management of multi-step processes necessitating the orchestration of business activities with the service level provided by BPM. As we saw in section 3.3.1.3, the business process level divides into two sublevels: the private business process and the collaborative process. Various relationships and interactions exist between these sub-levels.
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Levels in Integration Services
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3.4.2. Mediation process sub-level In conformity with our definition, the integration level comprises different infrastructure services that are part of the transport and connectivity layer in our model (as is the management of file transfers (MFT) or the queue managers), as well as services in the information adaptation layer. Each group of services is executed by what we will call a mediation process in the integration level. Figure 3.44 provides an example of the use of a mediation process.
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Figure 3.44. Example of mediation process
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3.4.3. Exchange process sub-level Each group of services can be used separately, but most of the time in a distributed environment (see section 3.5.2.2), multiple services distributed over different platforms have to be chained in sequence. End-to-end control over the execution of these services is carried out by what we will refer to as an exchange process sub-level. Figure 3.45 illustrates the use of this sub-level.
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Figure 3.45. Example of exchange process
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Figure 3.46. Relationships between the mediation process and the exchange process
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Levels in Integration Services
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3.4.4. Interaction between the sub-levels The interactions/relations between the mediation processes and exchange process can take the form illustrated in Figure 3.46. As a case in point and since we have already described it, this illustration uses BPMN notation to represent the exchange process illustrated in Figure 3.45. 3.4.5. Interaction between integration and business process (BPM) By themselves, the services in BPM do not cover data propagation, which can be necessary to make the data available to an activity in the business process. There will therefore be a certain number of relations and interactions between the process level and the integration level: the same data propagation can input activities that belong to different business processes; one business process could require several data propagation processes to input the different activities that compose it. That business process should therefore orchestrate the different activities required to carry out those data propagations; in addition, the process level and the integration level do not necessarily change at the same pace. These relations are represented by Figure 3.47.
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