Example usage for org.springframework.data.mongodb.core.convert MongoConverter convertToMongoType

Introduction

In this page you can find the example usage for org.springframework.data.mongodb.core.convert MongoConverter convertToMongoType.

Prototype

@Nullable
default Object convertToMongoType(@Nullable Object obj) 

Source Link

Document

Converts the given object into one Mongo will be able to store natively.

Usage

From source file:piecework.repository.concrete.ProcessInstanceRepositoryCustomImpl.java

private void include(Update update, Map<String, List<Value>> data, String id) {
    if (data != null && !data.isEmpty()) {
        MongoConverter converter = mongoOperations.getConverter();
        MongoTypeMapper typeMapper = converter.getTypeMapper();

        Set<String> keywords = new HashSet<String>();
        for (Map.Entry<String, List<Value>> entry : data.entrySet()) {
            String key = "data." + entry.getKey();
            List<Value> values = entry.getValue();
            List<Object> dbObjects = new ArrayList<Object>();

            for (Value value : values) {
                if (value != null) {
                    Object dbObject = converter.convertToMongoType(value);
                    Class<?> clz = null;
                    if (value instanceof File)
                        clz = File.class;
                    else if (value instanceof User)
                        clz = User.class;
                    else if (value instanceof Secret)
                        clz = Secret.class;
                    else if (value instanceof DateValue)
                        clz = DateValue.class;

                    keywords.addAll(ProcessInstanceUtility.keywords(value));

                    if (clz != null)
                        typeMapper.writeType(clz, DBObject.class.cast(dbObject));

                    dbObjects.add(dbObject);
                }//from w w w. j  av  a 2 s.  com
            }

            update.set(key, dbObjects);
        }
        if (!keywords.isEmpty()) {
            BasicDBList eachList = new BasicDBList();
            for (String keyword : keywords) {
                eachList.add(keyword);
            }
            if (StringUtils.isNotEmpty(id))
                eachList.add(id);
            update.addToSet("keywords", BasicDBObjectBuilder.start("$each", eachList).get());
        }

    }
}

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