@Override
public void merge(final Mapper mergeWith, final MergeContext mergeContext)
throws MergeMappingException {
if (!(mergeWith instanceof ObjectMapper)) {
mergeContext.addConflict(
"Can't merge a non object mapping ["
+ mergeWith.name()
+ "] with an object mapping ["
+ name()
+ "]");
return;
}
ObjectMapper mergeWithObject = (ObjectMapper) mergeWith;
if (nested().isNested()) {
if (!mergeWithObject.nested().isNested()) {
mergeContext.addConflict(
"object mapping [" + name() + "] can't be changed from nested to non-nested");
return;
}
} else {
if (mergeWithObject.nested().isNested()) {
mergeContext.addConflict(
"object mapping [" + name() + "] can't be changed from non-nested to nested");
return;
}
}
doMerge(mergeWithObject, mergeContext);
List<Mapper> mappersToTraverse = new ArrayList<Mapper>();
synchronized (mutex) {
for (Mapper mergeWithMapper : mergeWithObject.mappers.values()) {
Mapper mergeIntoMapper = mappers.get(mergeWithMapper.name());
if (mergeIntoMapper == null) {
// no mapping, simply add it if not simulating
if (!mergeContext.mergeFlags().simulate()) {
putMapper(mergeWithMapper);
mappersToTraverse.add(mergeWithMapper);
}
} else {
if ((mergeWithMapper instanceof MultiFieldMapper)
&& !(mergeIntoMapper instanceof MultiFieldMapper)) {
MultiFieldMapper mergeWithMultiField = (MultiFieldMapper) mergeWithMapper;
mergeWithMultiField.merge(mergeIntoMapper, mergeContext);
if (!mergeContext.mergeFlags().simulate()) {
putMapper(mergeWithMultiField);
// now, record mappers to traverse events for all mappers
for (Mapper mapper : mergeWithMultiField.mappers().values()) {
mappersToTraverse.add(mapper);
}
}
} else {
mergeIntoMapper.merge(mergeWithMapper, mergeContext);
}
}
}
}
// call this outside of the mutex
for (Mapper mapper : mappersToTraverse) {
mapper.traverse(mergeContext.newFieldMappers());
mapper.traverse(mergeContext.newObjectMappers());
}
}
