2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.persistence;
18 import java.lang.reflect.Field;
21 * Utility for interfacing to a field of an object.
23 * @author Erik Brakkee
25 * @param <T> Type of the field.
27 class FieldAccessor<T> implements Accessor<T> {
31 * Constructs the accessor.
32 * @param aField Field.
34 public FieldAccessor(Field aField) {
36 field.setAccessible(true);
40 public T get(Object aEntity) {
42 T value = (T) field.get(aEntity);
44 } catch (Exception e) {
45 throw new RuntimeException(e);
50 public void set(Object aEntity, T aValue) {
52 field.set(aEntity, aValue);
53 } catch (IllegalAccessException e) {
54 throw new RuntimeException(e.getMessage(), e);
62 public Field getField() {