Id (Geotools modules 31-SNAPSHOT API)

All Superinterfaces:

Filter

All Known Implementing Classes:

FidFilterImpl, JoinId
```
public interface Id
extends Filter
```
A filter that passes only the Identifiers listed.
This application of this filter for Features is well established:
- FeatureId - used for GML2 Features
- GeometryId - used for GML3 Features and Geometry constructs
We also have the following identifiers:
- RecordId - from CSW-2
- ObjectId - from CSW-2
You can check what kind of Identifiers are supported using:
```
 idCapabilities.hasFID() == true; // for FeatureId
 idCapabilities.hasEID() == true; // no idea ...
 
```
Author:

Chris Dillard (SYS Technologies), Justin Deoliveira (The Open Planning Project)

Field Summary
- Fields inherited from interface Filter
  EXCLUDE, INCLUDE

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Set<Identifier>`	`getIdentifiers()`	Returns the set of identifiers used by this filter.
`Set<Object>`	`getIDs()`	Set of IDs representing the Identifiers used by this filter.

Methods inherited from interface Filter
accept, evaluate

- Method Detail
  - getIDs
```
Set<Object> getIDs()
```
    Set of IDs representing the Identifiers used by this filter.
  - getIdentifiers
```
Set<Identifier> getIdentifiers()
```
    Returns the set of identifiers used by this filter.