Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
CachingInjector |
|
| 0.0;0 |
1 | /** |
|
2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
|
3 | * contributor license agreements. See the NOTICE file distributed with |
|
4 | * this work for additional information regarding copyright ownership. |
|
5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
|
6 | * (the "License"); you may not use this file except in compliance with |
|
7 | * the License. You may obtain a copy of the License at |
|
8 | * |
|
9 | * http://www.apache.org/licenses/LICENSE-2.0 |
|
10 | * |
|
11 | * Unless required by applicable law or agreed to in writing, software |
|
12 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
14 | * See the License for the specific language governing permissions and |
|
15 | * limitations under the License. |
|
16 | */ |
|
17 | package org.apache.camel.impl; |
|
18 | ||
19 | import org.apache.camel.impl.converter.TypeConverterRegistry; |
|
20 | ||
21 | /** |
|
22 | * A caching proxy so that a single |
|
23 | * @version $Revision: 563607 $ |
|
24 | */ |
|
25 | public class CachingInjector<T> { |
|
26 | private final TypeConverterRegistry repository; |
|
27 | private final Class<T> type; |
|
28 | private T instance; |
|
29 | ||
30 | 141 | public CachingInjector(TypeConverterRegistry repository, Class<T> type) { |
31 | 141 | this.repository = repository; |
32 | 141 | this.type = type; |
33 | 141 | } |
34 | ||
35 | public synchronized T newInstance() { |
|
36 | 105 | if (instance == null) { |
37 | 66 | instance = createInstance(type); |
38 | } |
|
39 | 105 | return instance; |
40 | } |
|
41 | ||
42 | protected T createInstance(Class<T> t) { |
|
43 | 66 | return (T) repository.getInjector().newInstance(t); |
44 | } |
|
45 | } |