public FragmentContext(DrillbitContext dbContext, FragmentHandle handle, UserClientConnection connection, IncomingBuffers buffers, FunctionImplementationRegistry funcRegistry) {
this.loader = new QueryClassLoader(true);
this.transformer = new ClassTransformer();
this.fragmentTime = dbContext.getMetrics().timer(METRIC_TIMER_FRAGMENT_TIME);
this.batchesCompleted = new SingleThreadNestedCounter(dbContext, METRIC_BATCHES_COMPLETED);
this.recordsCompleted = new SingleThreadNestedCounter(dbContext, METRIC_RECORDS_COMPLETED);
this.dataProcessed = new SingleThreadNestedCounter(dbContext, METRIC_DATA_PROCESSED);
this.context = dbContext;
this.connection = connection;
this.handle = handle;
this.buffers = buffers;
this.funcRegistry = funcRegistry;