Hejhej,
I've come up with a way to remove all features of a datastore... However,
I'm quite sure that there are more efficient ways to do this, getting rid of
this awkward iteration. Maybe someone can enlighten me.
Thanks very much in advance.
Markus
Code, created for shapefiles...
ShapefileDataStore src...;
try {
String typeName = src.getTypeNames()[0];
DefaultTransaction tran = new DefaultTransaction("RemoveAll");
FeatureStore stor = (FeatureStore)
src.getFeatureSource(typeName);
stor.setTransaction(tran);
FeatureCollection coll =
src.getFeatureSource(typeName).getFeatures();
FeatureIterator iter = coll.features();
FilterFactory fact =
CommonFactoryFinder.getFilterFactory(GeoTools.getDefaultHints());
Set<FeatureId> toRemove = new HashSet<FeatureId>();
while (iter.hasNext()) {
Feature ft = iter.next();
toRemove.add(fact.featureId(ft.getID()));
}
iter.close();
Filter filter = fact.id(toRemove);
try {
stor.removeFeatures(filter);
tran.commit();
}
catch (Exception ex) {
System.out.println("something wrong...");
tran.rollback();
}
} catch (Exception ex) {
ex.printStackTrace();
}
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