IGroupOutput (TIBCO Patterns Grouping Library Documentation)

All Known Implementing Classes:

CsvGroupOutput
```
public interface IGroupOutput
```
Implemented by the application to define how groups are stored.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`done()`	Called when grouping is done.
`void`	`outputGroup(int id, int num_subgroups, float max_score, java.lang.Iterable<GroupedRecord> records, java.lang.Iterable<GroupedPair> pairs)`	Outputs the data for a group.

- Method Detail
  - outputGroup
```
void outputGroup(int id,
                 int num_subgroups,
                 float max_score,
                 java.lang.Iterable<GroupedRecord> records,
                 java.lang.Iterable<GroupedPair> pairs)
```
    Outputs the data for a group. Called by the grouping engine when a complete group is ready for output.
    
    Parameters:
    
    id - The group id
    
    num_subgroups - Number of subgroups within the group.
    
    max_score - Highest score of any pair in the group.
    
    records - A list of the records in the group, ordered by position.
    
    pairs - A list of the highest-scoring pairs that span the group.
  - done
```
void done()
   throws java.lang.Exception
```
    Called when grouping is done. The implementation may use this to clean up resources.
    
    Throws:
    
    java.lang.Exception - if an error occurred.