Example usage for org.springframework.data.mongodb.core MongoActionOperation REMOVE

Introduction

In this page you can find the example usage for org.springframework.data.mongodb.core MongoActionOperation REMOVE.

Prototype

MongoActionOperation REMOVE

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Usage

From source file:org.springframework.data.mongodb.core.MongoTemplate.java

protected <T> void doRemove(final String collectionName, final Query query, final Class<T> entityClass) {
    if (query == null) {
        throw new InvalidDataAccessApiUsageException("Query passed in to remove can't be null");
    }//from www. ja va2s  . c  om
    final DBObject queryObject = query.getQueryObject();
    final MongoPersistentEntity<?> entity = getPersistentEntity(entityClass);
    execute(collectionName, new CollectionCallback<Void>() {
        public Void doInCollection(DBCollection collection) throws MongoException, DataAccessException {
            DBObject dboq = mapper.getMappedObject(queryObject, entity);
            WriteResult wr = null;
            MongoAction mongoAction = new MongoAction(writeConcern, MongoActionOperation.REMOVE, collectionName,
                    entityClass, null, queryObject);
            WriteConcern writeConcernToUse = prepareWriteConcern(mongoAction);
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("remove using query: " + dboq + " in collection: " + collection.getName());
            }
            if (writeConcernToUse == null) {
                wr = collection.remove(dboq);
            } else {
                wr = collection.remove(dboq, writeConcernToUse);
            }
            handleAnyWriteResultErrors(wr, dboq, "remove");
            return null;
        }
    });
}

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