%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.torque.manager.MethodCacheKey$Factory |
|
|
1 | package org.apache.torque.manager; |
|
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 | import java.io.Serializable; |
|
23 | import org.apache.commons.lang.ObjectUtils; |
|
24 | import org.apache.commons.pool.BasePoolableObjectFactory; |
|
25 | import org.apache.torque.TorqueException; |
|
26 | ||
27 | /** |
|
28 | * @version $Id: MethodCacheKey.java 474969 2006-11-14 20:41:36Z tv $ |
|
29 | */ |
|
30 | public class MethodCacheKey implements Serializable |
|
31 | { |
|
32 | /** |
|
33 | * Serial version |
|
34 | */ |
|
35 | private static final long serialVersionUID = -1831486431185021200L; |
|
36 | ||
37 | int n; |
|
38 | private Serializable instanceOrClass; |
|
39 | private String method; |
|
40 | private Serializable arg1; |
|
41 | private Serializable arg2; |
|
42 | private Serializable arg3; |
|
43 | private Serializable[] moreThanThree; |
|
44 | private String groupKey; |
|
45 | ||
46 | public MethodCacheKey() |
|
47 | { |
|
48 | } |
|
49 | ||
50 | public MethodCacheKey(Serializable instanceOrClass, String method) |
|
51 | { |
|
52 | init(instanceOrClass, method); |
|
53 | } |
|
54 | ||
55 | public MethodCacheKey(Serializable instanceOrClass, String method, |
|
56 | Serializable arg1) |
|
57 | { |
|
58 | init(instanceOrClass, method, arg1); |
|
59 | } |
|
60 | ||
61 | public MethodCacheKey(Serializable instanceOrClass, String method, |
|
62 | Serializable arg1, Serializable arg2) |
|
63 | { |
|
64 | init(instanceOrClass, method, arg1, arg2); |
|
65 | } |
|
66 | ||
67 | public MethodCacheKey(Serializable instanceOrClass, String method, |
|
68 | Serializable arg1, Serializable arg2, |
|
69 | Serializable arg3) |
|
70 | { |
|
71 | init(instanceOrClass, method, arg1, arg2, arg3); |
|
72 | } |
|
73 | ||
74 | public MethodCacheKey(Serializable[] moreThanThree) |
|
75 | { |
|
76 | init(moreThanThree); |
|
77 | } |
|
78 | ||
79 | /** |
|
80 | * Initialize key for method with no arguments. |
|
81 | * |
|
82 | * @param instanceOrClass the Object on which the method is invoked. if |
|
83 | * the method is static, a String representing the class name is used. |
|
84 | * @param method the method name |
|
85 | */ |
|
86 | public void init(Serializable instanceOrClass, String method) |
|
87 | { |
|
88 | n = 0; |
|
89 | this.instanceOrClass = instanceOrClass; |
|
90 | this.method = method; |
|
91 | groupKey = instanceOrClass.toString() + method; |
|
92 | } |
|
93 | ||
94 | /** |
|
95 | * Initialize key for method with one argument. |
|
96 | * |
|
97 | * @param instanceOrClass the Object on which the method is invoked. if |
|
98 | * the method is static, a String representing the class name is used. |
|
99 | * @param method the method name |
|
100 | * @param arg1 first method arg, may be null |
|
101 | */ |
|
102 | public void init(Serializable instanceOrClass, String method, |
|
103 | Serializable arg1) |
|
104 | { |
|
105 | init(instanceOrClass, method); |
|
106 | n = 1; |
|
107 | this.arg1 = arg1; |
|
108 | } |
|
109 | ||
110 | /** |
|
111 | * Initialize key for method with two arguments. |
|
112 | * |
|
113 | * @param instanceOrClass the Object on which the method is invoked. if |
|
114 | * the method is static, a String representing the class name is used. |
|
115 | * @param method the method name |
|
116 | * @param arg1 first method arg, may be null |
|
117 | * @param arg2 second method arg, may be null |
|
118 | */ |
|
119 | public void init(Serializable instanceOrClass, String method, |
|
120 | Serializable arg1, Serializable arg2) |
|
121 | { |
|
122 | init(instanceOrClass, method); |
|
123 | n = 2; |
|
124 | this.arg1 = arg1; |
|
125 | this.arg2 = arg2; |
|
126 | } |
|
127 | ||
128 | ||
129 | /** |
|
130 | * Initialize key for method with two arguments. |
|
131 | * |
|
132 | * @param instanceOrClass the Object on which the method is invoked. if |
|
133 | * the method is static, a String representing the class name is used. |
|
134 | * @param method the method name |
|
135 | * @param arg1 first method arg, may be null |
|
136 | * @param arg2 second method arg, may be null |
|
137 | */ |
|
138 | public void init(Serializable instanceOrClass, String method, |
|
139 | Serializable arg1, Serializable arg2, |
|
140 | Serializable arg3) |
|
141 | { |
|
142 | init(instanceOrClass, method); |
|
143 | n = 3; |
|
144 | this.arg1 = arg1; |
|
145 | this.arg2 = arg2; |
|
146 | this.arg3 = arg3; |
|
147 | } |
|
148 | ||
149 | /** |
|
150 | * Initialize key for method with more than three arguments. |
|
151 | * |
|
152 | * @param keys Serializable[] where |
|
153 | * [0]=>the Object on which the method is invoked |
|
154 | * if the method is static, a String representing the class name is used. |
|
155 | * [1]=>the method name |
|
156 | * [n] where n>1 are the method arguments |
|
157 | */ |
|
158 | public void init(Serializable[] keys) |
|
159 | { |
|
160 | init(keys[0], (String) keys[1]); |
|
161 | n = keys.length - 2; |
|
162 | if (n > 0) |
|
163 | { |
|
164 | this.arg1 = keys[2]; |
|
165 | if (n > 1) |
|
166 | { |
|
167 | this.arg2 = keys[3]; |
|
168 | if (n > 2) |
|
169 | { |
|
170 | this.arg3 = keys[4]; |
|
171 | if (n > 3) |
|
172 | { |
|
173 | this.moreThanThree = keys; |
|
174 | } |
|
175 | } |
|
176 | } |
|
177 | } |
|
178 | } |
|
179 | ||
180 | public String getGroupKey() |
|
181 | { |
|
182 | return groupKey; |
|
183 | } |
|
184 | ||
185 | public boolean equals(Object obj) |
|
186 | { |
|
187 | boolean equal = false; |
|
188 | if (obj instanceof MethodCacheKey) |
|
189 | { |
|
190 | MethodCacheKey sck = (MethodCacheKey) obj; |
|
191 | equal = (sck.n == n); |
|
192 | equal &= ObjectUtils.equals(sck.method, method); |
|
193 | equal &= ObjectUtils.equals(sck.instanceOrClass, instanceOrClass); |
|
194 | if (equal && n > 0) |
|
195 | { |
|
196 | equal &= ObjectUtils.equals(sck.arg1, arg1); |
|
197 | if (equal && n > 1) |
|
198 | { |
|
199 | equal &= ObjectUtils.equals(sck.arg2, arg2); |
|
200 | if (equal && n > 2) |
|
201 | { |
|
202 | equal &= ObjectUtils.equals(sck.arg3, arg3); |
|
203 | if (equal && n > 3) |
|
204 | { |
|
205 | for (int i = 5; i < n + 2; i++) |
|
206 | { |
|
207 | equal &= ObjectUtils.equals( |
|
208 | sck.moreThanThree[i], moreThanThree[i]); |
|
209 | } |
|
210 | } |
|
211 | } |
|
212 | } |
|
213 | } |
|
214 | } |
|
215 | ||
216 | return equal; |
|
217 | } |
|
218 | ||
219 | public int hashCode() |
|
220 | { |
|
221 | int h = instanceOrClass.hashCode(); |
|
222 | h += method.hashCode(); |
|
223 | if (n > 0) |
|
224 | { |
|
225 | h += (arg1 == null ? 0 : arg1.hashCode()); |
|
226 | if (n > 1) |
|
227 | { |
|
228 | h += (arg2 == null ? 0 : arg2.hashCode()); |
|
229 | if (n > 2) |
|
230 | { |
|
231 | h += (arg3 == null ? 0 : arg3.hashCode()); |
|
232 | if (n > 3) |
|
233 | { |
|
234 | for (int i = 5; i < n + 2; i++) |
|
235 | { |
|
236 | h += (moreThanThree[i] == null ? 0 |
|
237 | : moreThanThree[i].hashCode()); |
|
238 | } |
|
239 | } |
|
240 | } |
|
241 | } |
|
242 | } |
|
243 | return h; |
|
244 | } |
|
245 | ||
246 | public String toString() |
|
247 | { |
|
248 | StringBuffer sb = new StringBuffer(50); |
|
249 | sb.append(instanceOrClass); |
|
250 | sb.append("::"); |
|
251 | sb.append(method).append('('); |
|
252 | if (n > 0) |
|
253 | { |
|
254 | sb.append(arg1); |
|
255 | if (n > 1) |
|
256 | { |
|
257 | sb.append(", ").append(arg2); |
|
258 | if (n > 2) |
|
259 | { |
|
260 | sb.append(", ").append(arg3); |
|
261 | if (n > 3) |
|
262 | { |
|
263 | for (int i = 5; i < n + 2; i++) |
|
264 | { |
|
265 | sb.append(", ").append(moreThanThree[i]); |
|
266 | } |
|
267 | } |
|
268 | } |
|
269 | } |
|
270 | } |
|
271 | sb.append(')'); |
|
272 | return sb.toString(); |
|
273 | } |
|
274 | ||
275 | // ************* PoolableObjectFactory implementation ******************* |
|
276 | ||
277 | 0 | public static class Factory |
278 | extends BasePoolableObjectFactory |
|
279 | { |
|
280 | /** |
|
281 | * Creates an instance that can be returned by the pool. |
|
282 | * @return an instance that can be returned by the pool. |
|
283 | */ |
|
284 | public Object makeObject() |
|
285 | throws Exception |
|
286 | { |
|
287 | 0 | return new MethodCacheKey(); |
288 | } |
|
289 | ||
290 | /** |
|
291 | * Uninitialize an instance to be returned to the pool. |
|
292 | * @param obj the instance to be passivated |
|
293 | */ |
|
294 | public void passivateObject(Object obj) |
|
295 | throws Exception |
|
296 | { |
|
297 | 0 | MethodCacheKey key = (MethodCacheKey) obj; |
298 | 0 | if (key.instanceOrClass == null && key.method == class="keyword">null) |
299 | { |
|
300 | 0 | throw new TorqueException( |
301 | "Attempted to return key to pool twice."); |
|
302 | } |
|
303 | 0 | key.instanceOrClass = null; |
304 | 0 | key.method = null; |
305 | 0 | key.arg1 = null; |
306 | 0 | key.arg2 = null; |
307 | 0 | key.arg3 = null; |
308 | 0 | key.moreThanThree = null; |
309 | 0 | key.groupKey = null; |
310 | 0 | } |
311 | } |
|
312 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |