private Object createResultObject(
ResultSetWrapper rsw, ResultMap resultMap, ResultLoaderMap lazyLoader, String columnPrefix)
throws SQLException {
final List<Class<?>> constructorArgTypes = new ArrayList<Class<?>>();
final List<Object> constructorArgs = new ArrayList<Object>();
final Object resultObject =
createResultObject(rsw, resultMap, constructorArgTypes, constructorArgs, columnPrefix);
if (resultObject != null && !typeHandlerRegistry.hasTypeHandler(resultMap.getType())) {
final List<ResultMapping> propertyMappings = resultMap.getPropertyResultMappings();
for (ResultMapping propertyMapping : propertyMappings) {
if (propertyMapping.getNestedQueryId() != null
&& propertyMapping.isLazy()) { // issue gcode #109 && issue #149
return configuration
.getProxyFactory()
.createProxy(
resultObject,
lazyLoader,
configuration,
objectFactory,
constructorArgTypes,
constructorArgs);
}
}
}
return resultObject;
}
private Object getNestedQueryMappingValue(
ResultSet rs,
MetaObject metaResultObject,
ResultMapping propertyMapping,
ResultLoaderMap lazyLoader,
String columnPrefix)
throws SQLException {
final String nestedQueryId = propertyMapping.getNestedQueryId();
final String property = propertyMapping.getProperty();
final MappedStatement nestedQuery = configuration.getMappedStatement(nestedQueryId);
final Class<?> nestedQueryParameterType = nestedQuery.getParameterMap().getType();
final Object nestedQueryParameterObject =
prepareParameterForNestedQuery(rs, propertyMapping, nestedQueryParameterType, columnPrefix);
Object value = NO_VALUE;
if (nestedQueryParameterObject != null) {
final BoundSql nestedBoundSql = nestedQuery.getBoundSql(nestedQueryParameterObject);
final CacheKey key =
executor.createCacheKey(
nestedQuery, nestedQueryParameterObject, RowBounds.DEFAULT, nestedBoundSql);
final Class<?> targetType = propertyMapping.getJavaType();
if (executor.isCached(nestedQuery, key)) {
executor.deferLoad(nestedQuery, metaResultObject, property, key, targetType);
} else {
final ResultLoader resultLoader =
new ResultLoader(
configuration,
executor,
nestedQuery,
nestedQueryParameterObject,
targetType,
key,
nestedBoundSql);
if (propertyMapping.isLazy()) {
lazyLoader.addLoader(property, metaResultObject, resultLoader);
} else {
value = resultLoader.loadResult();
}
}
}
return value;
}