Examples with SingleColumnMapper org.jdbi.v3.core.mapper.SingleColumnMapper used on opensource projects

Example 1 with SingleColumnMapper

use of org.jdbi.v3.core.mapper.SingleColumnMapper in project jdbi by jdbi.

the class BeanMapper method specialize0.

private RowMapper<T> specialize0(ResultSet rs, StatementContext ctx, List<String> columnNames, List<ColumnNameMatcher> columnNameMatchers, List<String> unmatchedColumns) throws SQLException {
    final List<RowMapper<?>> mappers = new ArrayList<>();
    final List<PropertyDescriptor> properties = new ArrayList<>();
    for (PropertyDescriptor descriptor : info.getPropertyDescriptors()) {
        Nested anno = Stream.of(descriptor.getReadMethod(), descriptor.getWriteMethod()).filter(Objects::nonNull).map(m -> m.getAnnotation(Nested.class)).filter(Objects::nonNull).findFirst().orElse(null);
        if (anno == null) {
            String paramName = prefix + paramName(descriptor);
            findColumnIndex(paramName, columnNames, columnNameMatchers, () -> debugName(descriptor)).ifPresent(index -> {
                Type type = descriptor.getReadMethod().getGenericReturnType();
                ColumnMapper<?> mapper = ctx.findColumnMapperFor(type).orElse((r, n, c) -> r.getObject(n));
                mappers.add(new SingleColumnMapper<>(mapper, index + 1));
                properties.add(descriptor);
                unmatchedColumns.remove(columnNames.get(index));
            });
        } else {
            String nestedPrefix = prefix + anno.value();
            RowMapper<?> nestedMapper = nestedMappers.computeIfAbsent(descriptor, d -> new BeanMapper<>(d.getPropertyType(), nestedPrefix)).specialize0(rs, ctx, columnNames, columnNameMatchers, unmatchedColumns);
            mappers.add(nestedMapper);
            properties.add(descriptor);
        }
    }
    if (mappers.isEmpty() && columnNames.size() > 0) {
        throw new IllegalArgumentException(String.format("Mapping bean type %s " + "didn't find any matching columns in result set", type));
    }
    return (r, c) -> {
        T bean = construct();
        for (int i = 0; i < mappers.size(); i++) {
            RowMapper<?> mapper = mappers.get(i);
            PropertyDescriptor property = properties.get(i);
            Object value = mapper.map(r, ctx);
            writeProperty(bean, property, value);
        }
        return bean;
    };
}

Example 2 with SingleColumnMapper

use of org.jdbi.v3.core.mapper.SingleColumnMapper in project jdbi by jdbi.

the class ConstructorMapper method specialize0.

private RowMapper<T> specialize0(ResultSet rs, StatementContext ctx, List<String> columnNames, List<ColumnNameMatcher> columnNameMatchers, List<String> unmatchedColumns) throws SQLException {
    final int count = constructor.getParameterCount();
    final Parameter[] parameters = constructor.getParameters();
    final RowMapper<?>[] mappers = new RowMapper<?>[count];
    for (int i = 0; i < count; i++) {
        final Parameter parameter = parameters[i];
        Nested anno = parameter.getAnnotation(Nested.class);
        if (anno == null) {
            final String paramName = prefix + paramName(parameters, i, constructorProperties);
            final int columnIndex = findColumnIndex(paramName, columnNames, columnNameMatchers, () -> debugName(parameter)).orElseThrow(() -> new IllegalArgumentException(String.format("Constructor '%s' parameter '%s' has no column in the result set. " + "Verify that the Java compiler is configured to emit parameter names, " + "that your result set has the columns expected, or annotate the " + "parameter names explicitly with @ColumnName", constructor, paramName)));
            final Type type = parameter.getParameterizedType();
            mappers[i] = ctx.findColumnMapperFor(type).map(mapper -> new SingleColumnMapper(mapper, columnIndex + 1)).orElseThrow(() -> new IllegalArgumentException(String.format("Could not find column mapper for type '%s' of parameter '%s' for constructor '%s'", type, paramName, constructor)));
            unmatchedColumns.remove(columnNames.get(columnIndex));
        } else {
            String nestedPrefix = prefix + anno.value();
            mappers[i] = nestedMappers.computeIfAbsent(parameter, p -> new ConstructorMapper<>(findConstructorFor(p.getType()), nestedPrefix)).specialize0(rs, ctx, columnNames, columnNameMatchers, unmatchedColumns);
        }
    }
    return (r, c) -> {
        final Object[] params = new Object[count];
        for (int i = 0; i < count; i++) {
            params[i] = mappers[i].map(r, c);
        }
        return construct(params);
    };
}

Example 3 with SingleColumnMapper

use of org.jdbi.v3.core.mapper.SingleColumnMapper in project jdbi by jdbi.

the class FieldMapper method specialize0.

private RowMapper<T> specialize0(ResultSet rs, StatementContext ctx, List<String> columnNames, List<ColumnNameMatcher> columnNameMatchers, List<String> unmatchedColumns) throws SQLException {
    final List<RowMapper<?>> mappers = new ArrayList<>();
    final List<Field> fields = new ArrayList<>();
    for (Class<?> aType = type; aType != null; aType = aType.getSuperclass()) {
        for (Field field : aType.getDeclaredFields()) {
            Nested anno = field.getAnnotation(Nested.class);
            if (anno == null) {
                String paramName = prefix + paramName(field);
                findColumnIndex(paramName, columnNames, columnNameMatchers, () -> debugName(field)).ifPresent(index -> {
                    Type type = field.getGenericType();
                    ColumnMapper<?> mapper = ctx.findColumnMapperFor(type).orElse((r, n, c) -> rs.getObject(n));
                    mappers.add(new SingleColumnMapper(mapper, index + 1));
                    fields.add(field);
                    unmatchedColumns.remove(columnNames.get(index));
                });
            } else {
                String nestedPrefix = prefix + anno.value().toLowerCase();
                RowMapper<?> mapper = nestedMappers.computeIfAbsent(field, f -> new FieldMapper<>(field.getType(), nestedPrefix)).specialize0(rs, ctx, columnNames, columnNameMatchers, unmatchedColumns);
                mappers.add(mapper);
                fields.add(field);
            }
        }
    }
    if (mappers.isEmpty() && columnNames.size() > 0) {
        throw new IllegalArgumentException(String.format("Mapping fields for type %s " + "didn't find any matching columns in result set", type));
    }
    return (r, c) -> {
        T obj = construct();
        for (int i = 0; i < mappers.size(); i++) {
            RowMapper<?> mapper = mappers.get(i);
            Field field = fields.get(i);
            Object value = mapper.map(rs, ctx);
            writeField(obj, field, value);
        }
        return obj;
    };
}