GenericKeyedObjectPoolFactory


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
3    * 
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
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
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.
15   */
16  
17  package org.apache.commons.pool.impl;
18  
19  import org.apache.commons.pool.KeyedObjectPool;
20  import org.apache.commons.pool.KeyedObjectPoolFactory;
21  import org.apache.commons.pool.KeyedPoolableObjectFactory;
22  
23  /**
24   * A factory for creating {@link GenericKeyedObjectPool} instances.
25   *
26   * @see GenericKeyedObjectPool
27   * @see KeyedObjectPoolFactory
28   *
29   * @author Rodney Waldhoff
30   * @author Dirk Verbeeck
31   * @version $Revision$ $Date: 2005-02-26 05:13:28 -0800 (Sat, 26 Feb 2005) $ 
32   */
33  public class GenericKeyedObjectPoolFactory implements KeyedObjectPoolFactory {
34      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory) {
35          this(factory,GenericKeyedObjectPool.DEFAULT_MAX_ACTIVE,GenericKeyedObjectPool.DEFAULT_WHEN_EXHAUSTED_ACTION,GenericKeyedObjectPool.DEFAULT_MAX_WAIT,GenericKeyedObjectPool.DEFAULT_MAX_IDLE,GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW,GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
36      }
37  
38      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, GenericKeyedObjectPool.Config config) {
39          this(factory,config.maxActive,config.whenExhaustedAction,config.maxWait,config.maxIdle,config.testOnBorrow,config.testOnReturn,config.timeBetweenEvictionRunsMillis,config.numTestsPerEvictionRun,config.minEvictableIdleTimeMillis,config.testWhileIdle);
40      }
41  
42      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive) {
43          this(factory,maxActive,GenericKeyedObjectPool.DEFAULT_WHEN_EXHAUSTED_ACTION,GenericKeyedObjectPool.DEFAULT_MAX_WAIT,GenericKeyedObjectPool.DEFAULT_MAX_IDLE, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL,GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW,GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
44      }
45  
46      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait) {
47          this(factory,maxActive,whenExhaustedAction,maxWait,GenericKeyedObjectPool.DEFAULT_MAX_IDLE, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL,GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW,GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
48      }
49  
50      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, boolean testOnBorrow, boolean testOnReturn) {
51          this(factory,maxActive,whenExhaustedAction,maxWait,GenericKeyedObjectPool.DEFAULT_MAX_IDLE, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL,testOnBorrow,testOnReturn,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
52      }
53  
54      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle) {
55          this(factory,maxActive,whenExhaustedAction,maxWait,maxIdle, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL,GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW,GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
56      }
57  
58      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int maxTotal) {
59          this(factory,maxActive,whenExhaustedAction,maxWait,maxIdle, maxTotal, GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW,GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
60      }
61  
62      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, boolean testOnBorrow, boolean testOnReturn) {
63          this(factory,maxActive,whenExhaustedAction,maxWait,maxIdle, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL,testOnBorrow,testOnReturn,GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS,GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN,GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS,GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE);
64      }
65  
66      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle) {
67          this(factory, maxActive, whenExhaustedAction, maxWait, maxIdle, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL, testOnBorrow, testOnReturn, timeBetweenEvictionRunsMillis, numTestsPerEvictionRun, minEvictableIdleTimeMillis, testWhileIdle);
68      }
69  
70      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int maxTotal, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle) {
71          this(factory, maxActive, whenExhaustedAction, maxWait, maxIdle, GenericKeyedObjectPool.DEFAULT_MAX_TOTAL, GenericKeyedObjectPool.DEFAULT_MIN_IDLE , testOnBorrow, testOnReturn, timeBetweenEvictionRunsMillis, numTestsPerEvictionRun, minEvictableIdleTimeMillis, testWhileIdle);
72      }
73  
74      public GenericKeyedObjectPoolFactory(KeyedPoolableObjectFactory factory, int maxActive, byte whenExhaustedAction, long maxWait, int maxIdle, int maxTotal, int minIdle, boolean testOnBorrow, boolean testOnReturn, long timeBetweenEvictionRunsMillis, int numTestsPerEvictionRun, long minEvictableIdleTimeMillis, boolean testWhileIdle) {
75          _maxIdle = maxIdle;
76          _maxActive = maxActive;
77          _maxTotal = maxTotal;
78          _minIdle = minIdle;
79          _maxWait = maxWait;
80          _whenExhaustedAction = whenExhaustedAction;
81          _testOnBorrow = testOnBorrow;
82          _testOnReturn = testOnReturn;
83          _testWhileIdle = testWhileIdle;
84          _timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
85          _numTestsPerEvictionRun = numTestsPerEvictionRun;
86          _minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
87          _factory = factory;
88      }
89  
90      public KeyedObjectPool createPool() {
91          return new GenericKeyedObjectPool(_factory,_maxActive,_whenExhaustedAction,_maxWait,_maxIdle,_maxTotal,_minIdle,_testOnBorrow,_testOnReturn,_timeBetweenEvictionRunsMillis,_numTestsPerEvictionRun,_minEvictableIdleTimeMillis,_testWhileIdle);
92      }
93  
94      //--- protected attributes ---------------------------------------
95  
96      protected int _maxIdle = GenericKeyedObjectPool.DEFAULT_MAX_IDLE;
97      protected int _maxActive = GenericKeyedObjectPool.DEFAULT_MAX_ACTIVE;
98      protected int _maxTotal = GenericKeyedObjectPool.DEFAULT_MAX_TOTAL;
99      protected int _minIdle = GenericKeyedObjectPool.DEFAULT_MIN_IDLE;
100     protected long _maxWait = GenericKeyedObjectPool.DEFAULT_MAX_WAIT;
101     protected byte _whenExhaustedAction = GenericKeyedObjectPool.DEFAULT_WHEN_EXHAUSTED_ACTION;
102     protected boolean _testOnBorrow = GenericKeyedObjectPool.DEFAULT_TEST_ON_BORROW;
103     protected boolean _testOnReturn = GenericKeyedObjectPool.DEFAULT_TEST_ON_RETURN;
104     protected boolean _testWhileIdle = GenericKeyedObjectPool.DEFAULT_TEST_WHILE_IDLE;
105     protected long _timeBetweenEvictionRunsMillis = GenericKeyedObjectPool.DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS;
106     protected int _numTestsPerEvictionRun =  GenericKeyedObjectPool.DEFAULT_NUM_TESTS_PER_EVICTION_RUN;
107     protected long _minEvictableIdleTimeMillis = GenericKeyedObjectPool.DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS;
108     protected KeyedPoolableObjectFactory _factory = null;
109 
110 }
111
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