@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()); } }
@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; } } if (!mergeContext.mergeFlags().simulate()) { if (mergeWithObject.dynamic != null) { this.dynamic = mergeWithObject.dynamic; } } doMerge(mergeWithObject, mergeContext); List<Mapper> mappersToPut = new ArrayList<>(); FieldMapperListener.Aggregator newFieldMappers = new FieldMapperListener.Aggregator(); ObjectMapperListener.Aggregator newObjectMappers = new ObjectMapperListener.Aggregator(); synchronized (mutex) { for (Mapper mapper : mergeWithObject.mappers.values()) { Mapper mergeWithMapper = mapper; Mapper mergeIntoMapper = mappers.get(mergeWithMapper.name()); if (mergeIntoMapper == null) { // no mapping, simply add it if not simulating if (!mergeContext.mergeFlags().simulate()) { mappersToPut.add(mergeWithMapper); mergeWithMapper.traverse(newFieldMappers); mergeWithMapper.traverse(newObjectMappers); } } else { mergeIntoMapper.merge(mergeWithMapper, mergeContext); } } if (!newFieldMappers.mappers.isEmpty()) { mergeContext.docMapper().addFieldMappers(newFieldMappers.mappers); } if (!newObjectMappers.mappers.isEmpty()) { mergeContext.docMapper().addObjectMappers(newObjectMappers.mappers); } // and the mappers only after the administration have been done, so it will not be visible to // parser (which first try to read with no lock) for (Mapper mapper : mappersToPut) { putMapper(mapper); } } }