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 super();
34 }
35
36 public Object[] create( int arraySize )
37 {
38 return new Object[arraySize];
39 }
40
41 public Object[] create( Object singleton )
42 {
43 Object[] result = create( 1 );
44
45 result[0] = singleton;
46 return result;
47 }
48
49 public Object[] create( Object object1, Object object2 )
50 {
51 Object[] result = create( 2 );
52
53 result[0] = object1;
54 result[1] = object2;
55 return result;
56 }
57
58 public Object[] create( Object object1, Object object2, Object object3 )
59 {
60 Object[] result = create( 3 );
61
62 result[0] = object1;
63 result[1] = object2;
64 result[2] = object3;
65 return result;
66 }
67
68 public Object[] create( Object object1, Object object2, Object object3, Object object4 )
69 {
70 Object[] result = create( 4 );
71
72 result[0] = object1;
73 result[1] = object2;
74 result[2] = object3;
75 result[3] = object4;
76 return result;
77 }
78
79 public Object[] create( Object object1, Object object2, Object object3, Object object4, Object object5 )
80 {
81 Object[] result = create( 5 );
82
83 result[0] = object1;
84 result[1] = object2;
85 result[2] = object3;
86 result[3] = object4;
87 result[4] = object5;
88 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 }
98 }