public void executeBatchNodeCmd(SQLCtrlCommand cmdHandler) {
this.cmdHandler = cmdHandler;
final int initCount = session.getTargetCount();
runningCount.set(initCount);
nodeCount = initCount;
failed.set(false);
faileCount.set(0);
// 执行
int started = 0;
for (RouteResultsetNode rrn : session.getTargetKeys()) {
if (rrn == null) {
LOGGER.error("null is contained in RoutResultsetNodes, source = " + session.getSource());
continue;
}
final BackendConnection conn = session.getTarget(rrn);
if (conn != null) {
conn.setResponseHandler(this);
cmdHandler.sendCommand(session, conn);
++started;
}
}
if (started < nodeCount) {
runningCount.set(started);
LOGGER.warn("some connection failed to execut " + (nodeCount - started));
/**
* assumption: only caused by front-end connection close. <br>
* Otherwise, packet must be returned to front-end
*/
failed.set(true);
}
}
