C++ (Cpp) BCON_DOCUMENT Examples

Example #1

static void
topology_changed (const mongoc_apm_topology_changed_t *event)
{
   context_t *ctx;
   bson_oid_t topology_id;
   bson_t prev_td;
   bson_t new_td;

   ctx = (context_t *) mongoc_apm_topology_changed_get_context (event);

   mongoc_apm_topology_changed_get_topology_id (event, &topology_id);
   ASSERT (bson_oid_equal (&topology_id, &ctx->topology_id));

   td_to_bson (mongoc_apm_topology_changed_get_previous_description (event),
               &prev_td);
   td_to_bson (mongoc_apm_topology_changed_get_new_description (event),
               &new_td);

   context_append (ctx,
                   BCON_NEW ("topology_description_changed_event", "{",
                             "newDescription", BCON_DOCUMENT (&new_td),
                             "previousDescription", BCON_DOCUMENT (&prev_td),
                             "topologyId", BCON_UTF8 ("42"),
                             "}"));

   bson_destroy (&prev_td);
   bson_destroy (&new_td);
}

Example #2

static void
server_changed (const mongoc_apm_server_changed_t *event)
{
   context_t *ctx;
   bson_oid_t topology_id;
   const char *host_and_port;
   bson_t prev_sd;
   bson_t new_sd;

   ctx = (context_t *) mongoc_apm_server_changed_get_context (event);

   /* check topology id is consistent */
   mongoc_apm_server_changed_get_topology_id (event, &topology_id);
   ASSERT (bson_oid_equal (&topology_id, &ctx->topology_id));

   host_and_port = mongoc_apm_server_changed_get_host (event)->host_and_port;
   sd_to_bson (mongoc_apm_server_changed_get_previous_description (event),
               &prev_sd);
   sd_to_bson (mongoc_apm_server_changed_get_new_description (event),
               &new_sd);

   context_append (ctx,
                   BCON_NEW ("server_description_changed_event", "{",
                             "topologyId", BCON_UTF8 ("42"),
                             "address", BCON_UTF8 (host_and_port),
                             "previousDescription", BCON_DOCUMENT (&prev_sd),
                             "newDescription", BCON_DOCUMENT (&new_sd),
                             "}"));

   bson_destroy (&prev_sd);
   bson_destroy (&new_sd);
}

Example #3

File: test-bcon-extract.c Project: Cabriter/abelkhan

static void
test_bson_document (void)
{
   bson_t ochild;
   bson_t *child = BCON_NEW ("bar", "baz");
   bson_t *bcon = BCON_NEW ("foo", BCON_DOCUMENT (child));

   assert (BCON_EXTRACT (bcon, "foo", BCONE_DOCUMENT (ochild)));

   bson_eq_bson (&ochild, child);

   bson_destroy (&ochild);
   bson_destroy (child);
   bson_destroy (bcon);
}

Example #4

File: collection.c Project: cran/mongolite

SEXP R_mongo_collection_create_index(SEXP ptr_col, SEXP ptr_bson) {
  mongoc_collection_t *col = r2col(ptr_col);
  bson_t *keys = r2bson(ptr_bson);
  const char * collection_name = mongoc_collection_get_name(col);
  char * index_name = mongoc_collection_keys_to_index_string (keys);
  bson_error_t err;

  //From: https://s3.amazonaws.com/mciuploads/mongo-c-driver/docs/latest/create-indexes.html
  bson_t * command = BCON_NEW ("createIndexes", BCON_UTF8 (collection_name), "indexes",
    "[", "{", "key", BCON_DOCUMENT (keys), "name", BCON_UTF8 (index_name), "}", "]");

  if(!mongoc_collection_write_command_with_opts(col, command, NULL, NULL, &err))
    stop(err.message);

  return Rf_ScalarLogical(1);
}

Example #5

File: test-bcon-basic.c Project: Cabriter/abelkhan

static void
test_bson_document (void)
{
   bson_t bcon, expected, child;

   bson_init (&bcon);
   bson_init (&expected);
   bson_init (&child);

   bson_append_utf8 (&child, "bar", -1, "baz", -1);
   bson_append_document (&expected, "foo", -1, &child);

   BCON_APPEND (&bcon, "foo", BCON_DOCUMENT (&child));

   bson_eq_bson (&bcon, &expected);

   bson_destroy (&bcon);
   bson_destroy (&expected);
   bson_destroy (&child);
}

Example #6

File: test-value.c Project: rpm5/libbson

static void
test_value_basic (void)
{
   static const uint8_t raw[16] = { 0 };
   const bson_value_t *value;
   bson_value_t copy;
   bson_iter_t iter;
   bson_oid_t oid;
   bson_t other = BSON_INITIALIZER;
   bson_t *doc;
   bson_t sub = BSON_INITIALIZER;
   bool r;
   int i;

   bson_oid_init (&oid, NULL);

   doc = BCON_NEW ("double", BCON_DOUBLE (123.4),
                   "utf8", "this is my string",
                   "document", BCON_DOCUMENT (&sub),
                   "array", BCON_DOCUMENT (&sub),
                   "binary", BCON_BIN (BSON_SUBTYPE_BINARY, raw, sizeof raw),
                   "undefined", BCON_UNDEFINED,
                   "oid", BCON_OID (&oid),
                   "bool", BCON_BOOL (true),
                   "datetime", BCON_DATE_TIME (12345678),
                   "null", BCON_NULL,
                   "regex", BCON_REGEX ("^hello", "i"),
                   "dbpointer", BCON_DBPOINTER ("test.test", &oid),
                   "code", BCON_CODE ("var a = function() {}"),
                   "symbol", BCON_SYMBOL ("my_symbol"),
                   "codewscope", BCON_CODEWSCOPE ("var a = 1;", &sub),
                   "int32", BCON_INT32 (1234),
                   "timestamp", BCON_TIMESTAMP (1234, 4567),
                   "int64", BCON_INT32 (4321),
                   "maxkey", BCON_MAXKEY,
                   "minkey", BCON_MINKEY);

   r = bson_iter_init (&iter, doc);
   assert (r);

   for (i = 0; i < 20; i++) {
      r = bson_iter_next (&iter);
      assert (r);

      value = bson_iter_value (&iter);
      assert (value);

      bson_value_copy (value, &copy);

      r = bson_append_value (&other, bson_iter_key (&iter), -1, &copy);
      assert (r);

      bson_value_destroy (&copy);
   }

   r = bson_iter_next (&iter);
   assert (!r);

   bson_destroy (doc);
   bson_destroy (&other);
}