Example usage for com.mongodb.client.model Updates push

Introduction

In this page you can find the example usage for com.mongodb.client.model Updates push.

Prototype

public static <TItem> Bson push(final String fieldName, @Nullable final TItem value) 

Source Link

Document

Creates an update that adds the given value to the array value of the field with the given name.

Usage

From source file:org.opencb.opencga.catalog.db.mongodb.UserMongoDBAdaptor.java

License:Apache License

@Override
public void addQueryFilter(String userId, QueryFilter queryFilter) throws CatalogDBException {
    // Check if there exists a filter for that user with the same id
    Bson checkFilterExists = Filters.and(Filters.eq(QueryParams.ID.key(), userId),
            Filters.eq(QueryParams.CONFIG_OPENCGA_FILTERS.key() + ".id", queryFilter.getId()));
    QueryResult<Long> count = userCollection.count(checkFilterExists);
    if (count.getResult().get(0) != 0) {
        throw new CatalogDBException(
                "There already exists a filter with name " + queryFilter.getId() + " for user " + userId);
    }/*from  w w w .  j av a  2  s  .  co m*/

    // Insert the filter
    Bson query = Filters.and(Filters.eq(QueryParams.ID.key(), userId),
            Filters.ne(QueryParams.CONFIG_OPENCGA_FILTERS.key() + ".id", queryFilter.getId()));

    Bson filterDocument = getMongoDBDocument(queryFilter, "Filter");
    Bson update = Updates.push(QueryParams.CONFIG_OPENCGA_FILTERS.key(), filterDocument);

    QueryResult<UpdateResult> queryResult = userCollection.update(query, update, null);

    if (queryResult.first().getModifiedCount() != 1) {
        if (queryResult.first().getModifiedCount() == 0) {
            throw new CatalogDBException(
                    "User: There was an error when trying to store the filter. It could not be stored.");
        } else {
            // This error should NEVER be raised.
            throw new CatalogDBException(
                    "User: There was a critical error when storing the filter. Is has been inserted "
                            + queryResult.first().getModifiedCount() + " times.");
        }
    }
}

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