MapReduceAggregate.bwp
This process demonstrates how to use the plug-in to perform map-reduce operations in a specified collection.
The process is designed with the following activities:
The following table describes the activities in the process:
| Activity | Description |
|---|---|
| Timer | Starts the process |
| CleanResultDocuments | Invokes the CleanDocument subprocess to delete all result documents from the specified collection |
| CleanSampleDocuments | Invokes the CleanDocument subprocess to delete all sample documents from the specified collection |
| InsertDocuments | Invokes the InsertDocument subprocess to insert a group of documents in the specified collection |
| MapReduce | Performs a map-reduce operation on the specified collection and writes the result to another collection |
| GetMongoDBConnection | Obtains a MongoDB Connection reference |
| GetResult | Uses the obtained Connection reference to get information related to the collection where the result of the map-reduce operation is located |
| DataBaseCommand | Performs database commands in the collection where the result of the map-reduce operation is located |
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