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[#1215] Add org.jooq.Converter<T, U> for custom type mapping - Improved implementation

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This commit is contained in:
Lukas Eder 2012-03-16 15:51:49 +00:00
parent 61dba0c2f8
commit 05ab707d87
1 changed files with 8 additions and 15 deletions
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23
jOOQ/src/main/java/org/jooq/impl/FieldTypeHelper.java
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@ -281,26 +281,19 @@ public final class FieldTypeHelper {
}
}
static <T> T getFromResultSet(ExecuteContext ctx, Field<T> field, int index)
static <T, U> U getFromResultSet(ExecuteContext ctx, Field<U> field, int index)
throws SQLException {
Class<? extends T> type = field.getType();
Class<?> actual = type;
// TODO [#650] This conversion code is still somewhat experimental...
// conversion and fetching should be made more object-oriented
Converter<?, ? extends T> converter = DataTypes.converter(type);
if (converter != null) {
actual = converter.fromType();
}
Object result = getFromResultSet(ctx, actual, index);
@SuppressWarnings("unchecked")
Converter<T, U> converter = (Converter<T, U>) DataTypes.converter(field.getType());
if (converter != null) {
result = ((Converter) converter).from(result);
return converter.from(getFromResultSet(ctx, converter.fromType(), index));
}
else {
return getFromResultSet(ctx, field.getType(), index);
}
return (T) result;
}
@SuppressWarnings("unchecked")