private void cacheTypeDescriptor(SpaceTypeDescriptor typeDescriptor) {
if (typeDescriptor == null)
throw new IllegalArgumentException("typeDescriptor can not be null");
if (!types.containsKey(typeDescriptor.getTypeName())) introduceType(typeDescriptor);
types.put(typeDescriptor.getTypeName(), new SpaceTypeDescriptorContainer(typeDescriptor));
}
private static SpaceDocumentMapper<DBObject> getMapper(SpaceTypeDescriptor typeDescriptor) {
SpaceDocumentMapper<DBObject> mapper = mappingCache.get(typeDescriptor.getTypeName());
if (mapper == null) {
mapper = new DefaultSpaceDocumentMapper(typeDescriptor);
mappingCache.put(typeDescriptor.getTypeName(), mapper);
}
return mapper;
}
public void introduceType(SpaceTypeDescriptor typeDescriptor) {
DBCollection m = getConnection().getCollection(METADATA_COLLECTION_NAME);
BasicDBObjectBuilder builder =
BasicDBObjectBuilder.start().add(Constants.ID_PROPERTY, typeDescriptor.getTypeName());
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bos);
IOUtils.writeObject(
out, SpaceTypeDescriptorVersionedSerializationUtils.toSerializableForm(typeDescriptor));
builder.add(TYPE_DESCRIPTOR_FIELD_NAME, bos.toByteArray());
WriteResult wr = m.save(builder.get());
if (logger.isTraceEnabled()) logger.trace(wr);
indexBuilder.ensureIndexes(typeDescriptor);
} catch (IOException e) {
logger.error(e);
throw new SpaceMongoException(
"error occurs while serialize and save type descriptor: " + typeDescriptor, e);
}
}