<F> Field buildField(SearchMetadata<T, K> metadata, String field, Object value) {
com.google.appengine.api.search.Field.Builder fieldBuilder =
Field.newBuilder().setName(metadata.getEncodedFieldName(field));
IndexType indexType = metadata.getIndexType(field);
FieldMediator<F> fieldMediator = fieldMediators.get(indexType);
F normalised = fieldMediator.normalise(transformerManager, value);
fieldMediator.setValue(fieldBuilder, normalised);
return fieldBuilder.build();
}
private <V> String convertSingleValueToString(
String field, Object value, SearchMetadata<T, ?> metadata, FieldMediator<V> fieldMediator) {
try {
V normalised = fieldMediator.normalise(transformerManager, value);
return fieldMediator.stringify(normalised);
} catch (Exception e) {
throw new SearchException(
"Cannot query the field %s %s - cannot convert the query value %s %s to a %s. You can register extra conversions using the %s",
metadata.getFieldType(field).getSimpleName(),
field,
value.getClass().getSimpleName(),
value,
fieldMediator.getTargetType().getSimpleName(),
TransformerManager.class.getSimpleName());
}
}