Function _GraphContext_Create

src/graph/graphcontext.c:143–165

_GraphContext_Create tries to get a graph context and if it does not exists, create a new one the try-get-create flow is done when module global lock is acquired to enforce consistency while BGSave is called

// the try-get-create flow is done when module global lock is acquired
// to enforce consistency while BGSave is called
static GraphContext *_GraphContext_Create
(
	RedisModuleCtx *ctx,
	const char *graph_name
) {
	// create and initialize a graph context
	GraphContext *gc = GraphContext_New(graph_name);
	RedisModuleString *graphID = RedisModule_CreateString(ctx, graph_name,
			strlen(graph_name));

	RedisModuleKey *key = RedisModule_OpenKey(ctx, graphID, REDISMODULE_WRITE);

	// set value in key
	RedisModule_ModuleTypeSetValue(key, GraphContextRedisModuleType, gc);

	// register graph context for BGSave
	GraphContext_RegisterWithModule(gc);

	RedisModule_FreeString(ctx, graphID);
	RedisModule_CloseKey(key);

	return gc;
}

GraphContext *GraphContext_Retrieve
(