private FieldDescriptor getFieldDescriptor(Descriptor messageDescriptor, String attributePath) {
FieldDescriptor fd = null;
String[] split = attributePath.split("[.]");
for (int i = 0; i < split.length; i++) {
String name = split[i];
fd = messageDescriptor.findFieldByName(name);
if (fd == null) {
throw log.unknownField(name, messageDescriptor.getFullName());
}
IndexingMetadata indexingMetadata =
messageDescriptor.getProcessedAnnotation(IndexingMetadata.INDEXED_ANNOTATION);
if (indexingMetadata != null && !indexingMetadata.isFieldIndexed(fd.getNumber())) {
throw log.fieldIsNotIndexed(name, messageDescriptor.getFullName());
}
if (i < split.length - 1) {
messageDescriptor = fd.getMessageType();
}
}
return fd;
}
private FieldDescriptor getFieldDescriptor(Descriptor messageDescriptor, String attributePath) {
FieldDescriptor fd = null;
String[] split = attributePath.split("[.]");
for (int i = 0; i < split.length; i++) {
String name = split[i];
fd = messageDescriptor.findFieldByName(name);
if (fd == null) {
throw new IllegalArgumentException(
"Unknown field " + name + " in type " + messageDescriptor.getFullName());
}
IndexingMetadata indexingMetadata =
messageDescriptor.getProcessedAnnotation(IndexingMetadata.INDEXED_ANNOTATION);
if (indexingMetadata != null && !indexingMetadata.isFieldIndexed(fd.getNumber())) {
throw new IllegalArgumentException(
"Field " + name + " from type " + messageDescriptor.getFullName() + " is not indexed");
}
if (i < split.length - 1) {
messageDescriptor = fd.getMessageType();
}
}
return fd;
}
