@Override
public SimpleFeatureCollection getFeatures(final Query query) throws IOException {
Filter filter = query.getFilter();
if (filter == null) {
filter = Filter.INCLUDE;
}
if (Filter.EXCLUDE.equals(filter)) {
return new EmptyFeatureCollection(type);
}
final Query query2 = reprojectFilter(query);
filter = query2.getFilter();
final ObjectDatabase lookupDatabase =
dataStore.getGeogit().getRepository().getIndex().getDatabase();
final RevTree typeTree = getCurrentVersion();
GeoGitSimpleFeatureCollection featureCollection;
featureCollection =
new GeoGitSimpleFeatureCollection(
type, filter, lookupDatabase, typeTree, dataStore.getGeogit());
final int maxFeatures = query2.getMaxFeatures();
if (maxFeatures > 0 && maxFeatures != Query.DEFAULT_MAX) {
featureCollection.setMaxFeatures(maxFeatures);
}
// if (null != query.getHints().get(Hints.JTS_GEOMETRY_FACTORY)) {
// GeometryFactory gfac = (GeometryFactory) query.getHints().get(
// Hints.JTS_GEOMETRY_FACTORY);
// featureCollection.setGeometryFactory(gfac);
// } else if (null !=
// query.getHints().get(Hints.JTS_COORDINATE_SEQUENCE_FACTORY)) {
// CoordinateSequenceFactory csf = (CoordinateSequenceFactory)
// query.getHints().get(
// Hints.JTS_COORDINATE_SEQUENCE_FACTORY);
// GeometryFactory gfac = new GeometryFactory(csf);
// featureCollection.setGeometryFactory(gfac);
// }
return featureCollection;
}
/** @return the tree of feature references for this type */
public RevTree getCurrentVersion() {
// assume HEAD is at MASTER
try {
final Name typeName = this.type.getName();
GeoGIT geogit = dataStore.getGeogit();
RevTree typeTree =
geogit
.getRepository()
.getWorkingTree()
.getHeadVersion(new QName(typeName.getNamespaceURI(), typeName.getLocalPart()));
return typeTree;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* @return the id of the root tree. Defaults to the repository's root, but {@link
* GeoGitFeatureStore} shall override to account for whether there's a transaction in progress
*/
protected ObjectId getRootTreeId() {
GeoGIT geogit = dataStore.getGeogit();
ObjectId rootTreeId = geogit.getRepository().getRootTreeId();
return rootTreeId;
}
