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1   package org.apache.torque.dsfactory;
2   
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56  
57  import javax.sql.ConnectionPoolDataSource;
58  import javax.sql.DataSource;
59  
60  import org.apache.commons.configuration.Configuration;
61  
62  import org.apache.commons.logging.Log;
63  import org.apache.commons.logging.LogFactory;
64  
65  import org.apache.torque.Torque;
66  import org.apache.torque.TorqueException;
67  import org.apache.torque.pool.TorqueClassicDataSource;
68  
69  /***
70   * A factory that uses the "old" Torque Pools for fetching a DataSource.
71   *
72   * @author <a href="mailto:jmcnally@apache.org">John McNally</a>
73   * @author <a href="mailto:hps@intermeta.de">Henning P. Schmiedehausen</a>
74   * @version $Id: TorqueDataSourceFactory.java,v 1.13 2003/08/19 18:30:34 mpoeschl Exp $
75   * @deprecated as of version 3.1, use Jdbc2PoolDataSourceFactory
76   */
77  public class TorqueDataSourceFactory
78      extends AbstractDataSourceFactory
79      implements DataSourceFactory
80  {
81  
82      /*** The log. */
83      private static Log log = LogFactory.getLog(TorqueDataSourceFactory.class);
84  
85      /*** The wrapped <code>DataSource</code>. */
86      private DataSource ds;
87  
88      /***
89       * @see org.apache.torque.dsfactory.DataSourceFactory#getDataSource
90       */
91      public DataSource getDataSource()
92      {
93          return ds;
94      }
95  
96      /***
97       * @see org.apache.torque.dsfactory.DataSourceFactory#initialize
98       */
99      public void initialize(Configuration configuration) throws TorqueException
100     {
101         if (configuration == null)
102         {
103             throw new TorqueException(
104                 "Torque cannot be initialized without "
105                     + "a valid configuration. Please check the log files "
106                     + "for further details.");
107         }
108         ConnectionPoolDataSource cpds = initCPDS(configuration);
109         TorqueClassicDataSource tcds = initTorqueClassic(configuration);
110         tcds.setConnectionPoolDataSource(cpds);
111         ds = tcds;
112     }
113 
114     /***
115      * Initializes the TorqueClassicDataSource.
116      *
117      * @param configuration where to read the settings from
118      * @throws TorqueException if a property set fails
119      * @return a configured <code>TorqueClassicDataSource</code>
120      */
121     protected TorqueClassicDataSource initTorqueClassic(
122         Configuration configuration)
123         throws TorqueException
124     {
125         log.debug("Starting initTorqueClassic");
126         TorqueClassicDataSource ds = new TorqueClassicDataSource();
127 
128         Configuration c = null;
129 
130         c = Torque.getConfiguration().subset(DEFAULT_POOL_KEY);
131         applyConfiguration(c, ds);
132 
133         c = configuration.subset(POOL_KEY);
134         applyConfiguration(c, ds);
135         return ds;
136     }
137 }