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How to mapping @Field in xml


How to mapping @Field in xml

By : Paul N Theresa Bilon
Date : November 18 2020, 01:01 AM
seems to work fine Search annotations care currently not supported via XML, see the hibernate documentation:
code :


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appropriate mapping a string field length (mapping by code)

appropriate mapping a string field length (mapping by code)


By : user3282952
Date : March 29 2020, 07:55 AM
around this issue How can I mapping a string field length to the nvarchar(max) in sql server?
code :
Property(x => x.Content, x => x.Type(NHibernateUtil.StringClob))
Splitting Field Value into Two Values from Excel Source and Mapping that Field to Two Fields in SQL-Server Using Same SS

Splitting Field Value into Two Values from Excel Source and Mapping that Field to Two Fields in SQL-Server Using Same SS


By : Andreia Cardoso
Date : March 29 2020, 07:55 AM
this will help Figured it out....You must add a "CopyColumn" object that "ExcelSource" connects to and then connect the "CopyColumn" object to "DerivedColumn" object and then connect to "Destination" object in DataFlowTask. Then map the "CopiedColumn" value to the other field needed to be connected to.
Mapping HTTP request value to object in Sprint Boot application when field and value has different field name?

Mapping HTTP request value to object in Sprint Boot application when field and value has different field name?


By : rocket-engineer
Date : March 29 2020, 07:55 AM
This might help you I found the solution with own implementation of org.springframework.web.method.supportHandlerMethodArgumentResolver.
Resolver implementation:
code :
public class AuthorizationRequestResolver implements HandlerMethodArgumentResolver {

    private static Logger LOG = Logger.getLogger(AuthorizationRequestResolver.class);

    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType().equals(AuthorizationRequest.class);
    }

    @Override
    public Object resolveArgument(MethodParameter parameter,
                                  ModelAndViewContainer mavContainer,
                                  NativeWebRequest webRequest,
                                  WebDataBinderFactory binderFactory) throws Exception {

        HttpServletRequest request = (HttpServletRequest) webRequest.getNativeRequest();

        AuthorizationRequest authRequest = mapFromServletRequest(request);
        return authRequest;

    }

    private AuthorizationRequest mapFromServletRequest(HttpServletRequest request) {
        AuthorizationRequest authorizationRequest = new AuthorizationRequest();
        authorizationRequest.setClientId(request.getParameter("client_id"));
        authorizationRequest.setRedirectUri(request.getParameter("request_uri"));
        authorizationRequest.setResponseType(request.getParameter("response_type"));
        authorizationRequest.setScope(request.getParameter("scope"));
        authorizationRequest.setState(request.getParameter("state"));
        return authorizationRequest;
    }

}
@Configuration
public class WebappConfig extends WebMvcConfigurerAdapter {

    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> argumentResolvers) {
        argumentResolvers.add(new AuthorizationRequestResolver());
    }

}
Set serializer field from data value having different names (Custom field Mapping for ModelSerizer)

Set serializer field from data value having different names (Custom field Mapping for ModelSerizer)


By : Woody Kellum
Date : March 29 2020, 07:55 AM
I hope this helps . You can explicitly define type field inside serializer, and use source argument to map it to msg_type field:
code :
class TruRouteRequestSerializer(serializers.ModelSerializer):
    type = serializers.CharField(source='msg_type')

    class Meta:
        model = TruRouteRequest
        fields = ['type', ...]
CSVHelper - using two mapping classes and choosing the mapping based on the value in a field of each row of the csv file

CSVHelper - using two mapping classes and choosing the mapping based on the value in a field of each row of the csv file


By : user3247275
Date : March 29 2020, 07:55 AM
around this issue When I original heard your requirements, I thought you just need to check for the ClassMap once per document. It now sounds like it will change per row. Unfortunately, I have found once you register and start using a ClassMap it appears to get cached and you can't switch it half way through, so I don't think the two ClassMaps will work. I'll give you a couple of ways to solve it and you can let me know if either satisfies your requirements.
code :
public static void Main(string[] args)
{
    using (var reader = new StreamReader(@"C:\Users\me\Documents\file.csv"))
    using (var csv = new CsvReader(reader))          
    {
        csv.Configuration.PrepareHeaderForMatch = (string header, int index) =>
            header.Replace(" ", "_").Replace("(", "").Replace(")", "").Replace(".", "");

        csv.Configuration.RegisterClassMap<TaskEntityMap>();

        var records = csv.GetRecords<TaskEntity>().ToList();
    }
}

public sealed class TaskEntityMap : ClassMap<TaskEntity>
{
    public TaskEntityMap()
    {
        Map(m => m.SqlTableColumn1).ConvertUsing(row => row.GetField<int>(0) == 1 ? 
            row.GetField<string>("CsvColumn1") : 
            row.GetField<string>("CsvColumn4")
            );
        Map(m => m.SqlTableColumn2).ConvertUsing(row => row.GetField<int>(0) == 1 ? 
            row.GetField<string>("CsvColumn2") + " " + row.GetField<string>("CsvColumn3") :
            row.GetField<string>("CsvColumn5") + " " + row.GetField<string>("CsvColumn6")
            );
    }
}
public static void Main(string[] args)
{
    using (var reader = new StreamReader(@"C:\Users\me\Documents\file.csv"))
    using (var csv = new CsvReader(reader))          
    {
        csv.Configuration.PrepareHeaderForMatch = (string header, int index) =>
            header.Replace(" ", "_").Replace("(", "").Replace(")", "").Replace(".", "");

        var records = new List<TaskEntity>();

        csv.Read();
        csv.ReadHeader();

        while (csv.Read())
        {                    
            if (csv.GetField<int>(0) == 1)
            {
                var record = new TaskEntity
                {
                    SqlTableColumn1 = csv.GetField<string>("CsvColumn1"),
                    SqlTableColumn2 = csv.GetField<string>("CsvColumn2") + " " + csv.GetField<string>("CsvColumn3")
                };
                records.Add(record);
            }
            else
            {
                var record = new TaskEntity
                {
                    SqlTableColumn1 = csv.GetField<string>("CsvColumn4"),
                    SqlTableColumn2 = csv.GetField<string>("CsvColumn5") + " " + csv.GetField<string>("CsvColumn6")
                };
                records.Add(record);
            }                    
        }
    }  // Break here.
}
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