Facet (OpenRefine 4.0-SNAPSHOT API)

All Known Implementing Classes:

ListFacet, RangeFacet, ScatterplotFacet, StringFacet, TextSearchFacet, TimeRangeFacet
```
public interface Facet
```
Interface of facets.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`FacetAggregator<?>`	`getAggregator()`	An aggregator used to populate the facet state for this facet.
`FacetConfig`	`getConfig()`	Returns the configuration of the facet.
`FacetResult`	`getFacetResult(FacetState state)`	Returns all the information necessary to render the facet in the UI (aggregation statistics and configuration combined).
`FacetState`	`getInitialFacetState()`	An initial facet state for this facet, which can then be used to scan the table and ingest statistics about rows or records.

- Method Detail
  - getConfig
```
FacetConfig getConfig()
```
    Returns the configuration of the facet.
  - getInitialFacetState
```
FacetState getInitialFacetState()
```
    An initial facet state for this facet, which can then be used to scan the table and ingest statistics about rows or records.
  - getAggregator
```
FacetAggregator<?> getAggregator()
```
    An aggregator used to populate the facet state for this facet. It should accept the initial state returned by getInitialFacetState().
  - getFacetResult
```
FacetResult getFacetResult(FacetState state)
```
    Returns all the information necessary to render the facet in the UI (aggregation statistics and configuration combined).