Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ObjectArrayPool |
|
| 1.0;1 |
1 | package org.apache.commons.ognl; | |
2 | ||
3 | /* | |
4 | * Licensed to the Apache Software Foundation (ASF) under one | |
5 | * or more contributor license agreements. See the NOTICE file | |
6 | * distributed with this work for additional information | |
7 | * regarding copyright ownership. The ASF licenses this file | |
8 | * to you under the Apache License, Version 2.0 (the | |
9 | * "License"); you may not use this file except in compliance | |
10 | * with the License. You may obtain a copy of the License at | |
11 | * | |
12 | * http://www.apache.org/licenses/LICENSE-2.0 | |
13 | * | |
14 | * Unless required by applicable law or agreed to in writing, | |
15 | * software distributed under the License is distributed on an | |
16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
17 | * KIND, either express or implied. See the License for the | |
18 | * specific language governing permissions and limitations | |
19 | * under the License. | |
20 | */ | |
21 | ||
22 | /** | |
23 | * This class was previously intended to produce performance improvement.<br> | |
24 | * This hand-made object pooling is now a bottleneck under high load.<br> | |
25 | * We now rely on the new jvm garbage collection improvements to handle object allocation efficiently. | |
26 | * | |
27 | * @deprecated object-pooling now relies on the jvm garbage collection | |
28 | */ | |
29 | public final class ObjectArrayPool | |
30 | { | |
31 | public ObjectArrayPool() | |
32 | { | |
33 | 1 | super(); |
34 | 1 | } |
35 | ||
36 | public Object[] create( int arraySize ) | |
37 | { | |
38 | 676 | return new Object[arraySize]; |
39 | } | |
40 | ||
41 | public Object[] create( Object singleton ) | |
42 | { | |
43 | 28 | Object[] result = create( 1 ); |
44 | ||
45 | 28 | result[0] = singleton; |
46 | 28 | return result; |
47 | } | |
48 | ||
49 | public Object[] create( Object object1, Object object2 ) | |
50 | { | |
51 | 1 | Object[] result = create( 2 ); |
52 | ||
53 | 1 | result[0] = object1; |
54 | 1 | result[1] = object2; |
55 | 1 | return result; |
56 | } | |
57 | ||
58 | public Object[] create( Object object1, Object object2, Object object3 ) | |
59 | { | |
60 | 0 | Object[] result = create( 3 ); |
61 | ||
62 | 0 | result[0] = object1; |
63 | 0 | result[1] = object2; |
64 | 0 | result[2] = object3; |
65 | 0 | return result; |
66 | } | |
67 | ||
68 | public Object[] create( Object object1, Object object2, Object object3, Object object4 ) | |
69 | { | |
70 | 0 | Object[] result = create( 4 ); |
71 | ||
72 | 0 | result[0] = object1; |
73 | 0 | result[1] = object2; |
74 | 0 | result[2] = object3; |
75 | 0 | result[3] = object4; |
76 | 0 | return result; |
77 | } | |
78 | ||
79 | public Object[] create( Object object1, Object object2, Object object3, Object object4, Object object5 ) | |
80 | { | |
81 | 0 | Object[] result = create( 5 ); |
82 | ||
83 | 0 | result[0] = object1; |
84 | 0 | result[1] = object2; |
85 | 0 | result[2] = object3; |
86 | 0 | result[3] = object4; |
87 | 0 | result[4] = object5; |
88 | 0 | return result; |
89 | } | |
90 | ||
91 | /** | |
92 | * @deprecated object-pooling now relies on the jvm garbage collection | |
93 | */ | |
94 | public void recycle( Object[] value ) | |
95 | { | |
96 | // no need of recycling, we rely on the garbage collection efficiency | |
97 | 675 | } |
98 | } |