Executing Adapter Service Nodes
![](../adk-webhelp/images/SERV-SD_executing_AS_nodes.png)
When an adapter service executes, the Integration Server performs the following:
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Creates a new instance of the corresponding class, unless it is already cached.
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Calls the metadata parameter "set" methods, passing the parameter settings stored in the adapter service node.
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Calls the service's
execute method, passing a connection instance and a copy of the pipeline wrapped in a
WmRecord object, as shown in the figure.