/* (non-Javadoc)
* @see org.geotools.data.DataStore#getFeatureWriter(java.lang.String, org.geotools.filter.Filter, org.geotools.data.Transaction)
*/
public FeatureWriter<SimpleFeatureType, SimpleFeature> getFeatureWriter(
String typeName, Filter filter, Transaction transaction) throws IOException {
if (filter == null) {
throw new NullPointerException(
"getFeatureReader requires Filter: " + "did you mean Filter.INCLUDE?");
}
if (filter == Filter.EXCLUDE) {
SimpleFeatureType featureType = getSchema(typeName);
return new EmptyFeatureWriter(featureType);
}
if (transaction == null) {
throw new NullPointerException(
"getFeatureWriter requires Transaction: "
+ "did you mean to use Transaction.AUTO_COMMIT?");
}
FeatureWriter<SimpleFeatureType, SimpleFeature> writer;
if (transaction == Transaction.AUTO_COMMIT) {
try {
writer = createFeatureWriter(typeName, transaction);
} catch (UnsupportedOperationException e) {
throw e;
}
} else {
TransactionStateDiff state = state(transaction);
if (state != null) {
writer = state.writer(typeName, filter);
} else {
throw new UnsupportedOperationException("Subclass sould implement");
}
}
if (lockingManager != null) {
// subclass has not provided locking so we will
// fake it with InProcess locks
writer = lockingManager.checkedWriter(writer, transaction);
}
if (filter != Filter.INCLUDE) {
writer = new FilteringFeatureWriter(writer, filter);
}
return writer;
}
