SimpleFlatMapper mapping to ZoneId

[manit...@gmail.com]

Hello

I would like to map a string in DB to a ZoneId object

    .addColumnProperty("my_zone_id",

      new GetterProperty((Getter<ResultSet, ZoneId>) rs -> {

      return ZoneId.of(rs.getString("my_zone_id"));

    }))

Unfortunately it doesn't work, I have the following exception :

    Exception in thread "main" java.lang.NullPointerException

    at java.lang.Class.isAssignableFrom(Native Method)

    at org.simpleflatmapper.util.TypeHelper.isAssignable(TypeHelper.java:148)

    at org.simpleflatmapper.util.TypeHelper.isAssignable(TypeHelper.java:144)

    at org.simpleflatmapper.reflect.impl.BuilderInstantiatorDefinitionFactory.getDefinitionForBuilder(BuilderInstantiatorDefinitionFactory.java:101)

    at org.simpleflatmapper.reflect.impl.BuilderInstantiatorDefinitionFactory.getDefinitionForBuilder(BuilderInstantiatorDefinitionFactory.java:78)

    at org.simpleflatmapper.reflect.impl.BuilderInstantiatorDefinitionFactory.getDefinitionForBuilderFromMethod(BuilderInstantiatorDefinitionFactory.java:64)

    at org.simpleflatmapper.reflect.impl.BuilderInstantiatorDefinitionFactory.extractDefinitions(BuilderInstantiatorDefinitionFactory.java:41)

    at org.simpleflatmapper.reflect.ReflectionService.extractInstantiator(ReflectionService.java:210)

    at org.simpleflatmapper.reflect.meta.ObjectClassMeta.<init>(ObjectClassMeta.java:39)

    at org.simpleflatmapper.reflect.meta.ObjectClassMeta.<init>(ObjectClassMeta.java:32)

    at org.simpleflatmapper.reflect.ReflectionService.newClassMeta(ReflectionService.java:160)

    at org.simpleflatmapper.reflect.ReflectionService.getClassMeta(ReflectionService.java:128)

    at org.simpleflatmapper.reflect.meta.PropertyMeta.newPropertyClassMeta(PropertyMeta.java:53)

    at org.simpleflatmapper.reflect.meta.PropertyMeta.getPropertyClassMeta(PropertyMeta.java:46)

    at org.simpleflatmapper.reflect.meta.ObjectPropertyFinder.lookForSubProperty(ObjectPropertyFinder.java:113)

    at org.simpleflatmapper.reflect.meta.ObjectPropertyFinder.lookForProperty(ObjectPropertyFinder.java:89)

    at org.simpleflatmapper.reflect.meta.ObjectPropertyFinder.lookForProperties(ObjectPropertyFinder.java:39)

    at org.simpleflatmapper.reflect.meta.PropertyFinder.findProperty(PropertyFinder.java:28)

    at org.simpleflatmapper.map.mapper.PropertyMappingsBuilder._addProperty(PropertyMappingsBuilder.java:95)

    at org.simpleflatmapper.map.mapper.PropertyMappingsBuilder.addProperty(PropertyMappingsBuilder.java:73)

    at org.simpleflatmapper.map.mapper.ConstantSourceMapperBuilder.addMapping(ConstantSourceMapperBuilder.java:109)

    at org.simpleflatmapper.map.mapper.AbstractMapperBuilder.addMapping(AbstractMapperBuilder.java:171)

    at org.simpleflatmapper.jdbc.JdbcMapperFactory$SetRowMapperFactory.newInstance(JdbcMapperFactory.java:310)

    at org.simpleflatmapper.jdbc.JdbcMapperFactory$SetRowMapperFactory.newInstance(JdbcMapperFactory.java:298)

    at org.simpleflatmapper.map.mapper.DynamicSetRowMapper.getMapper(DynamicSetRowMapper.java:101)

    at org.simpleflatmapper.map.mapper.DynamicSetRowMapper.getMapperFromSet(DynamicSetRowMapper.java:91)

    at org.simpleflatmapper.map.mapper.DynamicSetRowMapper.stream(DynamicSetRowMapper.java:74)

    at org.simpleflatmapper.jdbc.JdbcMapperFactory$DynamicJdbcSetRowMapper.stream(JdbcMapperFactory.java:251)

Any idea how can I achieve that ?

Thanks in advance for your help

[Arnaud Roger]

Looks like a bug somewhere I’ll have a look as as I can. It might not be link to the zoneid getter, what version is that running against? Could you give me the structure of the object? 

Sent from my iPhone

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[Arnaud Roger]

I was able to reproduce the problem, the meta fail to build on a void type. I have a fix for it. there was also an issue on static method for instantiator that I fixed too.

once I release 3.16.3 you should be able to have a zoneId property without any special config.

see https://github.com/arnaudroger/SimpleFlatMapper/issues/501
and https://github.com/arnaudroger/SimpleFlatMapper/issues/502

[Arnaud Roger]

just pushed 3.16.3 with a fix. could you try it out? you should not need the GetterProperty anymore