protected MappedFieldNameFilterConverter buildFieldNameConverter(String geoFileName, int maxDoc)
throws IOException {
GeoSegmentReader<CartesianGeoRecord> segmentReader =
new GeoSegmentReader<CartesianGeoRecord>(
directory, geoFileName, maxDoc, 1024, geoRecordSerializer, geoComparator);
DataInput input = directory.openInput(geoFileName);
input.readVInt(); // throw out version
input.readInt(); // throw out tree position
input.readVInt(); // throw out the data size
input.readVInt(); // throw out tree name
MappedFieldNameFilterConverter fieldNameConverter = new MappedFieldNameFilterConverter();
fieldNameConverter.loadFromInput(input);
return fieldNameConverter;
}
protected void verifyFilter(String geoFileName, int maxDocs) throws IOException {
MappedFieldNameFilterConverter fieldNameConverter =
buildFieldNameConverter(geoFileName, maxDocs);
// Verify mapping is correct
List<String> filterFields = fieldNameConverter.getFields(LOCATION_BIT_MASK);
assertEquals("Expected a single field that maps to the bit mask", 1, filterFields.size());
assertEquals(LOCATION_FIELD, filterFields.get(0));
filterFields = fieldNameConverter.getFields(IMAGE_LOCATION_BIT_MASK);
assertEquals("Expected a single field that maps to the bit mask", 1, filterFields.size());
assertEquals(IMAGE_LOCATION_FIELD, filterFields.get(0));
// verify that half the documents have one filter and the other half have the other
int countImageLocationFiltered = 0;
int countLocationFiltered = 0;
GeoSegmentReader<CartesianGeoRecord> reader =
new GeoSegmentReader<CartesianGeoRecord>(
directory, geoFileName, maxDocs, 1024, geoRecordSerializer, geoComparator);
Iterator<CartesianGeoRecord> geoIter =
reader.getIterator(
CartesianGeoRecord.MIN_VALID_GEORECORD, CartesianGeoRecord.MAX_VALID_GEORECORD);
while (geoIter.hasNext()) {
CartesianGeoRecord geoRecord = geoIter.next();
if (fieldNameConverter.fieldIsInFilter(LOCATION_FIELD, geoRecord.filterByte)) {
countLocationFiltered++;
}
if (fieldNameConverter.fieldIsInFilter(IMAGE_LOCATION_FIELD, geoRecord.filterByte)) {
countImageLocationFiltered++;
}
}
assertEquals(
"Expected one point per doc to be filtered by default location",
maxDocs,
countLocationFiltered);
assertEquals(
"Expected one point per doc to be filtered by image location",
maxDocs,
countImageLocationFiltered);
}