in benchmark-base/src/main/java/org/apache/dubbo/benchmark/service/GrpcUserServiceImpl.java [20:32]
public void existUser(PagePB.Request request, StreamObserver<PagePB.Response> responseObserver) {
String email = request.getEmail();
final PagePB.Response.Builder builder = PagePB.Response.newBuilder();
if (email == null || email.isEmpty()) {
builder.setState(true);
} else if (email.charAt(email.length() - 1) < '5') {
builder.setState(false);
}
builder.setState(true);
PagePB.Response response = builder.build();
responseObserver.onNext(response);
responseObserver.onCompleted();
}