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Java > Open Source Codes > org > apache > cayenne > conf > NodeDataSource


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19
20 package org.apache.cayenne.conf;
21
22 import java.io.PrintWriter JavaDoc;
23 import java.sql.Connection JavaDoc;
24 import java.sql.SQLException JavaDoc;
25
26 import javax.sql.DataSource JavaDoc;
27
28 import org.apache.cayenne.access.DataNode;
29
30 /**
31  * A DataSource wrapper around Cayenne DataNode. Helpful for lazy initialization, i.e.
32  * when node's DataSource is needed to initialize some other object BEFORE it is
33  * initialized itself.
34  *
35  * @since 1.2
36  * @author Andrus Adamchik
37  */
38 class NodeDataSource implements DataSource JavaDoc {
39
40     DataNode node;
41
42     NodeDataSource(DataNode node) {
43         this.node = node;
44     }
45
46     public Connection JavaDoc getConnection() throws SQLException JavaDoc {
47         return node.getDataSource().getConnection();
48     }
49
50     public Connection JavaDoc getConnection(String JavaDoc username, String JavaDoc password) throws SQLException JavaDoc {
51         return node.getDataSource().getConnection(username, password);
52     }
53
54     public PrintWriter JavaDoc getLogWriter() throws SQLException JavaDoc {
55         return node.getDataSource().getLogWriter();
56     }
57
58     public void setLogWriter(PrintWriter JavaDoc out) throws SQLException JavaDoc {
59         node.getDataSource().setLogWriter(out);
60     }
61
62     public void setLoginTimeout(int seconds) throws SQLException JavaDoc {
63         node.getDataSource().setLoginTimeout(seconds);
64     }
65
66     public int getLoginTimeout() throws SQLException JavaDoc {
67         return node.getDataSource().getLoginTimeout();
68     }
69 }
70
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